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Rheumatic fever

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Lance Christiansen, D.O.; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Varun Kumar, M.B.B.S. [3]; Anthony Gallo, B.S. [4]

Synonyms and Keywords: RF; Rheumatic heart disease; RHD; Acute rheumatic fever; Chronic rheumatic fever; Rheumatic carditis

Overview

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Varun Kumar, M.B.B.S. [2]; Anthony Gallo, B.S. [3]

Overview

Rheumatic fever is a systemic immune disease that may develop after an infection with Streptococcus bacteria, such as strep throat and scarlet fever. It usually affects the heart, joints, blood vessels, and brain. Based on the duration of symptoms, rheumatic fever may be classified into either acute or chronic. The most common cause of rheumatic fever is Group A beta-hemolytic streptococci infection. If left untreated, rheumatic fever may cause valvular diseases including stenosis, regurgitation of mitral/aortic valves and myocarditis. This may lead to decreased cardiac output, pulmonary edema, and ultimately cardiac failure. For cases without carditis, the prognosis is excellent, demonstrating no residual heart disease. In cases with preexisting heart disease, the prognosis is poor, leading to mortality. Common complications of rheumatic fever include arrhythmias, systemic emboli, and stroke. Common physical examination findings include fever, cardiac murmurs, and erythema marginatum. Echocardiogram and radiograph may be diagnostic of rheumatic fever. The Jones criteria is used to establish the diagnosis of rheumatic fever. Rheumatic fever is usually treated using antibiotics to control Streptococcus infection and medications such as aspirin and corticosteroids to decrease inflammation. A long-lasting dose of penicillin is important and effective to prevent further complications and recurrence.

Historical Perspective

Rheumatic fever was first described by Hippocrates, a Greek physician, between 400-370 B.C. The term was first used post-Renaissance by Guillaume de Baillou, a French physician, in the early 1600s. T. Duckett Jones, MD was the first to publish a set of diagnostic criteria in 1944.

Classification

Based on the duration of symptoms, rheumatic fever may be classified into either acute or chronic.

Pathophysiology

Rheumatic fever is the result of an autoimmunological sequelae to a virulent Streptococcus pyogenes infection in a patient who was immunologically sensitized from prior infections. During a streptococcal infection, activated antigen-presenting cells, such as macrophages, present the bacterial antigen to helper T cells. Helper T cells subsequently activate B cells and induce the production of antibodies against the cell wall of Streptococcus. However the antibodies also act against the myocardium and joints, producing the symptoms of rheumatic fever.

Causes

Rheumatic fever is usually caused by an infection with Group A beta-hemolytic Streptococcus pyogenes.

Differentiating Rheumatic Fever from Other Diseases

Rheumatic fever must be differentiated from other diseases that cause fever, skin rash, nausea and fatigue, such as typhoid fever, malaria, lassa fever, ebola, and scarlet fever.

Epidemiology and Demographics

The incidence of rheumatic fever among developed countries such as the USA and Canada was approximately 20-40 per 100,000 individuals during the period 1970-1990 with rheumatic heart disease occurring sporadically. Over past two decades, the prevalence of rheumatic fever has decreased to 5-20 per 100,000 individuals in Canada and <5 per 100,000 individuals in the USA with no new cases of rheumatic heart disease. Rheumatic fever is endemic in many developing countries and is usually observed among children between the ages of 5-15.

Risk Factors

Common risk factors in the development of rheumatic fever include low socioeconomic status, inadequate healthcare, and poor sanitation.

Screening

Screening of rheumatic fever is important as many cases of rheumatic heart disease are subclinical. Echocardiography among inhabitants of high risk regions is recommended. If any abnormality is detected on echocardiography, further cardiac evaluation is performed followed by antimicrobial therapy.

Natural History, Complications, and Prognosis

If left untreated, patients with rheumatic fever may progress to develop arrhythmias, systemic emboli, and endocarditis, which may lead to cardiac failure. Common complications of rheumatic fever include stenosis, carditis, and stroke. Prognosis is generally poor if left untreated.

Diagnosis

Jones Criteria

The Jones criteria can be used to establish the diagnosis of rheumatic fever. The Jones Criteria for definitive rheumatic fever require evidence of streptococcal infection: elevated or rising antistreptolysin O titre or DNAase and either:

OR

History and Symptoms

A detailed and thorough history from the patient is necessary. Specific areas of focus when obtaining a history from the patient include prior rheumatic fever infection, family history of rheumatic fever, and recent streptococcal infection. Common symptoms of rheumatic fever include fever, nose bleeds, and skin rash.

Physical Examination

Examination of patients with rheumatic fever is usually remarkable for fever, Sydenham’s chorea, cardiac murmurs, and erythema marginatum.

Laboratory Findings

Laboratory findings consistent with the diagnosis of rheumatic fever include elevated inflammatory markers, presence of streptococcal infection, and elevated or rising antistreptolysin O antibody titer.

Electrocardiogram

On electrocardiogram, rheumatic fever is characterized by PR interval prolongation, conduction abnormalities, arryhthmias or P mitrale depending on the structures involved and the extent of cardiac damage.

Chest X Ray

On chest x-ray, rheumatic fever is characterized by cardiomegaly and pulmonary edema secondary to heart failure.

Echocardiography

Echocardiography may be helpful in establishing the diagnosis of carditis and monitoring the progress of valve defects present in rheumatic fever.

Treatment

Medical Therapy

The mainstay of therapy for rheumatic fever includes antimicrobial therapy combined with anti-inflammatory medications. The drug of choice is penicillin but ampicillin and amoxicillin are equally as effective. Supportive therapy for rheumatic fever includes continuous use of low dose antibiotics (such as penicillin, sulfadiazine, or erythromycin) to prevent recurrence.

Primary Prevention

Effective measures for the primary prevention of rheumatic fever include reducing exposure to group A streptococci and antibiotic prophylaxis for streptococcal pharyngitis. Intramuscular benzathine penicillin G and oral penicillin V are the recommended antibiotics in treatment of group A streptococcal infection in absence of penicillin allergy.

Secondary Prevention

Secondary prevention strategies following rheumatic fever include antibiotic prophylaxis immediately after the antibiotic course in treatment of rheumatic fever. Duration of prophylactic treatment varies with degree of cardiac damage secondary to rheumatic fever.

References

Historical Perspective

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Lance Christiansen, D.O.; Anthony Gallo, B.S. [2]

Overview

Rheumatic fever was first described by Hippocrates, a Greek physician, between 400-370 B.C.[1] The term “rheumatic fever” was first used post-Renaissance by Guillaume de Baillou, a French physician, in the early 1600s. T. Duckett Jones, MD was the first person to publish a set of diagnostic criteria in 1944.[2]

Historical Perspective

  • Between 400-370 B.C., rheumatic fever was first described by Hippocrates, a Greek physician.[1]
  • In the early 1600s, the term “rheumatic fever” was first used post-Renaissance by Guillaume de Baillou, a French physician.
  • In the late 1600s, Thomas Sydenham described a case of severe rheumatic fever.
  • In 1771, the term “rheumatic fever” first appeared with a description in Encyclopedia Britannica’s first edition.
  • In the 1850s, the number of cases of rheumatic fever began to decline worldwide.
  • In the 1900s, high-grade cases of rheumatic fever became less common in modernized parts of the world.[3]
  • In World War II, conditions of over-crowding developed in military training sites and rheumatic fever became more common.
  • In 1944, U.S. Naval leaders hired T. Duckett Jones, MD to study rheumatic fever’s epidemiology and clinical development. Dr. Jones devised certain a criteria for the diagnosis of rheumatic fever that is still in use today, albeit in a modified form.[4] The disease was not common in the United States, and usually occurs in isolated outbreaks.
  • In the 1980s, the most recent outbreak of rheumatic fever occurred in the United States.
  • In the present day, rheumatic fever is more common worldwide, especially in overcrowded areas.

References

  1. 1.0 1.1 Quinn RW (1991). “Did scarlet fever and rheumatic fever exist in Hippocrates’ time?”. Rev Infect Dis. 13 (6): 1243–4. PMID 1775859.
  2. THE DIAGNOSIS OF RHEUMATIC FEVER. JAMA (2015). http://jama.jamanetwork.com/article.aspx?articleid=271116 Accessed on October 9, 2015
  3. Bejiqi RA, Retkoceri R, Zeka N, Bejiqi H, Retkoceri A (2015). “Heart lesion after the first attack of the rheumatic Fever 22 years experience in single centre”. Med Arch. 69 (1): 49–53. doi:10.5455/medarh.2015.69.49-53. PMC 4384842. PMID 25870479.
  4. “Guidelines for the diagnosis of rheumatic fever. Jones Criteria, 1992 update. Special Writing Group of the Committee on Rheumatic Fever, Endocarditis, and Kawasaki Disease of the Council on Cardiovascular Disease in the Young of the American Heart Association”. JAMA. 268 (15): 2069–73. 1992. PMID 1404745.

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Classification

Template:Acute rheumatic fever Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Monish Thuvooru Muthu Kalyanaraman, M.B.B.S[2]

Classification

Overview

This section covers the diagnostic classification framework for acute rheumatic fever (ARF), centered on the 2015 AHA Revised Jones Criteria — the current standard for ARF diagnosis. It details the population-stratified diagnostic thresholds (low-risk vs. moderate/high-risk), the distinction between initial and recurrent ARF, the concept of “possible” ARF, the role of subclinical carditis, evidence of preceding Group A Streptococcus (GAS) infection, and the broader disease spectrum taxonomy from ARF through chronic rheumatic heart disease (RHD). Clinical descriptions of individual manifestations, echocardiographic technique, laboratory workup, and treatment are covered in their respective microchapters.

2015 AHA Revised Jones Criteria: The Current Diagnostic Standard

The Jones Criteria, originally developed in 1944, underwent their most significant revision in 2015 by the American Heart Association (AHA) to address two key limitations of prior versions: (1) the failure of a single set of criteria to serve populations with vastly different disease burdens, and (2) the exclusion of echocardiography-detected (subclinical) carditis.[1][2] The 2015 revision introduced population-stratified diagnostic thresholds, with more lenient criteria for moderate/high-risk populations (prioritizing sensitivity) and more stringent criteria for low-risk populations (prioritizing specificity).[1]

Defining Population Risk

  • Low-risk populations: ARF incidence <2 per 100,000 school-aged children (5–14 years) per year, or all-age RHD prevalence ≤1 per 1,000 population per year (e.g., most of North America, Western Europe, Japan).[1][3]
  • Moderate/high-risk populations: ARF incidence ≥2 per 100,000 school-aged children per year, or all-age RHD prevalence >1 per 1,000 population per year (e.g., sub-Saharan Africa, South Asia, Oceania, Indigenous populations of Australia/New Zealand).[1][3]

When population risk status is uncertain, clinicians should apply the moderate/high-risk criteria to minimize the risk of missed diagnoses.[1] Of note, Dougherty et al. (JACC 2023) define moderate/high-risk populations using >2 per 100,000 (strictly greater than), whereas Gewitz et al. (AHA 2015) and Hirani et al. (Lancet 2025) use ≥2 per 100,000. This distinction is rarely consequential in practice.[2][1]

Diagnostic Requirements

All diagnoses require evidence of preceding GAS infection, with two exceptions: Sydenham chorea and indolent (insidious-onset) carditis may stand alone without documented GAS evidence, because of the long latency period of chorea (months) and the potential for streptococcal markers to have normalized by the time of presentation.[3][1][4]

  • Initial ARF: 2 major manifestations, OR 1 major + 2 minor manifestations.[3][1]
  • Recurrent ARF (in a patient with a prior documented ARF episode): 2 major, OR 1 major + 2 minor, OR 3 minor manifestations.[3][1]

Major and Minor Criteria by Population Risk

Criterion Category Low-Risk Populations Moderate/High-Risk Populations
Major: Carditis Clinical and/or subclinical (echocardiographic) Clinical and/or subclinical (echocardiographic)
Major: Arthritis Polyarthritis only Monoarthritis or polyarthritis; polyarthralgia‡
Major: Chorea Yes Yes
Major: Erythema marginatum Yes Yes
Major: Subcutaneous nodules Yes Yes
Minor: Joint Polyarthralgia Monoarthralgia
Minor: Fever ≥38.5°C ≥38°C
Minor: Inflammatory markers ESR ≥60 mm/h and/or CRP ≥3.0 mg/dL ESR ≥30 mm/h and/or CRP ≥3.0 mg/dL
Minor: PR interval Prolonged (age-adjusted), unless carditis is a major criterion Prolonged (age-adjusted), unless carditis is a major criterion

‡Polyarthralgia should only be considered as a major manifestation in moderate-risk to high-risk populations after exclusion of other causes.[1][3]

Key rule: Joint manifestations can be counted in either the major or minor category, but not both simultaneously in the same patient.[3]

Subclinical Carditis as a Major Criterion

A landmark change in the 2015 revision was the formal inclusion of subclinical carditis (echocardiographic valvulitis without auscultatory findings) as fulfilling the major criterion of carditis.[1][3] Pathological mitral or aortic regurgitation detected by echocardiography is now diagnostic of carditis regardless of the presence or absence of a murmur.[3] Isolated pericarditis or myocarditis should almost never be considered rheumatic in origin; valvulitis is the most consistent cardiac feature of ARF.[3] Detailed Doppler criteria (jet length, velocity, and duration thresholds) are covered in the Echocardiography microchapter.

Subclinical carditis is estimated to occur in approximately 12–21% of ARF cases. A study from Sudan showed that up to 11% of febrile children had subclinical carditis as their only major manifestation of ARF, underscoring the need for echocardiography in all suspected ARF cases.[3]

Evidence of Preceding GAS Infection

One of the following must be documented to satisfy this requirement:[3][1]

  • Positive throat culture or rapid antigen detection test (RADT) for GAS
  • Elevated or rising streptococcal antibody titers (ASO, anti-DNase B)
  • Recent documented scarlet fever (listed in the AHA statement but rarely the sole means of documentation in practice)

Providing evidence of antecedent GAS infection remains an ongoing challenge, particularly in endemic settings where background seropositivity is high and skin infection (impetigo) may also trigger ARF.[3]

“Possible” ARF Category

Patients who do not fully meet the Jones Criteria but have a clinical presentation highly suggestive of ARF may be classified as “possible ARF”, particularly in moderate/high-risk populations. This category is clinically important because it may warrant initiation of secondary prophylaxis pending further evaluation.[3][1] However, the non-specific nature of some minor features (arthralgia, elevated ESR) within this category carries a risk of misdiagnosis, unnecessary prophylaxis, and patient anxiety.[3]

Classification of Recurrent ARF

Recurrent episodes carry a higher risk of progressive valvular damage and RHD. The 2015 criteria use a lower diagnostic threshold for recurrent ARF: 3 minor manifestations alone (with evidence of GAS infection) can satisfy criteria in a patient with a documented prior ARF episode.[3][1] This is a key distinction from the initial episode, which always requires at least one major manifestation.

Disease Spectrum Taxonomy: ARF to RHD

ARF and RHD represent a continuum of disease rather than discrete entities. The following taxonomy, based on the JACC 2023 framework, classifies the spectrum according to detection method (clinical vs. echocardiographic) and timing:[2]

  • ARF with clinical carditis: Valvulitis detected by auscultation during an acute ARF episode
  • ARF with subclinical carditis: Valvulitis detected only on echocardiography during an acute ARF episode
  • Clinical RHD: Chronic valvular disease detected when symptomatic patients present to care
  • Subclinical/latent RHD: Chronic valvular lesions detected by echocardiographic screening in asymptomatic individuals with no known ARF history

The original WHF echocardiographic criteria were published by Reményi et al. (Nat Rev Cardiol, 2012) and are reproduced in Watkins et al. (JACC, 2018).[5][6] The 2012 WHF guidelines (updated in 2023) introduced a classification for definite RHD with categories A–D based on valve pathology pattern. For individuals aged ≤20 years: (A) pathological MR with ≥2 morphological features of RHD of the MV, (B) MS with mean gradient ≥4 mmHg, (C) pathological AR with ≥2 morphological features of RHD of the AV, and (D) borderline disease of both the AV and MV. For individuals aged >20 years: Categories A and B are the same; (C) pathological AR with ≥2 morphological features of the AV applies only to those aged <35 years; and (D) is redefined as pathological AR with ≥2 morphological features of RHD of the MV. A separate “borderline RHD” category (applicable only to those aged ≤20 years) was also introduced, with 3 subcategories: (A) at least 2 morphological features of RHD of the MV without pathological MR or MS, (B) pathological MR alone, and (C) pathological AR alone.[6][5]

The 2023 WHF update revised Doppler thresholds for pathological regurgitation, notably introducing weight-based MR jet length criteria (≥1.5 cm for individuals weighing ≤30 kg; ≥2.0 cm for individuals weighing ≥30 kg), replacing the uniform ≥2 cm threshold from 2012.[3][6] Of note, the inter-rater reliability of the 2012 WHF criteria for specific RHD classification categories (borderline vs. definite, and subcategories) is only fair (κ = 0.51), highlighting the challenge of consistent classification across observers.[7]

A 2026 review by Zühlke et al. references 2024 WHO recommendations as providing an additional global framework for ARF/RHD management and classification, though the primary WHO guideline document should be consulted directly for specific recommendations.[8] National ARF guidelines from RHDAustralia (2020)[9] and the New Zealand Heart Foundation (2014, updated 2019)[10] provide additional region-specific classification frameworks for high-risk populations and may be consulted for local clinical guidance.

High-Yield Clinical Pearls

  • Chorea and indolent (insidious-onset) carditis are the only two manifestations that do not require evidence of preceding GAS infection for ARF diagnosis.[3][4]
  • PR prolongation cannot be used as a minor criterion if carditis is already counted as a major criterion in the same patient.[1][3]
  • Joint manifestations can only be counted in one category (major OR minor) per patient — never both.[3]
  • In moderate/high-risk populations, monoarthralgia alone can serve as a minor criterion, substantially lowering the diagnostic bar.[1]
  • The addition of subclinical carditis and monoarthritis to the criteria increased sensitivity in high-risk populations. Application of the 2015 modifications (subclinical carditis, monoarthritis, lower fever threshold) to a North Queensland cohort increased diagnostic sensitivity from 71.4% to 91.8% compared with the 1992 criteria.[1]
  • The 2015 AHA statement uses ≥38.5°C/≥38°C and CRP ≥3.0 mg/dL for fever and CRP thresholds, while Hirani et al. (Lancet 2025) uses >38.5°C/>38°C and CRP >3 mg/dL (strictly greater than). The table above follows the AHA formulation. In practice these distinctions are rarely consequential, but clinicians should be aware of the minor discrepancy between sources.[1][3]

Common Pitfalls

  • Applying low-risk population criteria in endemic settings leads to missed diagnoses. Clinicians in moderate/high-risk regions should use the more sensitive thresholds.[1]
  • Diagnosing ARF without documenting GAS infection (except for chorea and indolent carditis) is insufficient; GAS evidence is mandatory.[3][1]
  • Counting arthritis as both a major and minor criterion is incorrect; joint findings can only be used once.[3]
  • Ignoring subclinical carditis by failing to perform echocardiography can miss a substantial proportion of carditis cases, potentially leaving patients without secondary prophylaxis.[3]
  • Confusing “possible ARF” with “no ARF”: Patients with possible ARF require close follow-up and, in many guidelines, initiation of secondary prophylaxis while awaiting further clarification.[3][1]
  • Overlooking the lower diagnostic threshold for recurrent ARF (3 minor criteria alone can suffice).[3][1]

References

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 Gewitz MH, Baltimore RS, Tani LY; et al. (2015). “Revision of the Jones Criteria for the Diagnosis of Acute Rheumatic Fever in the Era of Doppler Echocardiography: A Scientific Statement From the American Heart Association”. Circulation. 131 (20): 1806–1818. doi:10.1161/CIR.0000000000000205. PMID 25908771.
  2. 2.0 2.1 2.2 Dougherty S, Okello E, Mwangi J, Kumar RK (2023). “Rheumatic Heart Disease: JACC Focus Seminar 2/4”. J Am Coll Cardiol. 81 (1): 81–94. doi:10.1016/j.jacc.2022.09.050. PMID 36599612 Check |pmid= value (help).
  3. 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20 3.21 3.22 3.23 3.24 3.25 Hirani K, Rwebembera J, Webb R; et al. (2025). “Acute Rheumatic Fever”. Lancet. 405 (10495): 2164–2178. doi:10.1016/S0140-6736(25)00185-0.
  4. 4.0 4.1 Carapetis JR, McDonald M, Wilson NJ (2005). “Acute Rheumatic Fever”. Lancet. 366 (9480): 155–168. doi:10.1016/S0140-6736(05)66874-2. PMID 16005340.
  5. 5.0 5.1 Reményi B, Wilson N, Steer A; et al. (2012). “World Heart Federation Criteria for Echocardiographic Diagnosis of Rheumatic Heart Disease—an Evidence-Based Guideline”. Nat Rev Cardiol. 9 (5): 297–309. doi:10.1038/nrcardio.2012.7. PMID 22371105.
  6. 6.0 6.1 6.2 Watkins DA, Beaton AZ, Carapetis JR; et al. (2018). “Rheumatic Heart Disease Worldwide: JACC Scientific Expert Panel”. J Am Coll Cardiol. 72 (12): 1397–1416. doi:10.1016/j.jacc.2018.06.063. PMID 30213333.
  7. Scheel A, Mirabel M, Nunes MCP; et al. (2021). “The Inter-Rater Reliability and Individual Reviewer Performance of the 2012 World Heart Federation Guidelines for the Echocardiographic Diagnosis of Latent Rheumatic Heart Disease”. Int J Cardiol. 328: 146–151. doi:10.1016/j.ijcard.2020.11.013.
  8. Zühlke L, Beaton A, Engel M; et al. (2026). “Acute Rheumatic Fever and Rheumatic Heart Disease”. Nat Rev Dis Primers. 12 (1): 7. doi:10.1038/s41572-026-00685-y.
  9. RHDAustralia (ARF/RHD writing group) (2020). “The 2020 Australian guideline for prevention, diagnosis and management of acute rheumatic fever and rheumatic heart disease” (3rd ed.).
  10. Heart Foundation of New Zealand (2019). “New Zealand Guidelines for Rheumatic Fever: Diagnosis, Management and Secondary Prevention of Acute Rheumatic Fever and Rheumatic Heart Disease: 2014 Update”.
Pathophysiology

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Lance Christiansen, D.O.; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Anthony Gallo, B.S. [3]

Overview

Rheumatic fever is the result of an autoimmunological sequela to a virulent Streptococcus pyogenes infection in a patient who was immunologically sensitized from prior infections. During a streptococcal infection, activated antigen-presenting cells, such as macrophages, present the bacterial antigen to helper T cells. Helper T cells subsequently activate B cells and induce the production of antibodies against the cell wall of Streptococcus. However the antibodies also act against the myocardium and joints, producing the symptoms of rheumatic fever.

Pathophysiology

Pathogenesis

Acute rheumatic fever

Chronic rheumatic fever

Gross

On gross pathology, the following are characteristic findings of rheumatic fever:[2]

Microscopic histopathological analysis

On microscopic histopathological analysis, the following are characteristic findings of rheumatic fever:[2][3]

Images

The following are gross and microscopic images associated with rheumatic fever:[4]

References

  1. Chopra P, Gulwani H (2007). “Pathology and pathogenesis of rheumatic heart disease”. Indian J Pathol Microbiol. 50 (4): 685–97. PMID 18306530.
  2. 2.0 2.1 Rheumatic Heart Disease. Libre Pathology (2015). http://librepathology.org/wiki/index.php/Heart_valves#Rheumatic_heart_disease Accessed on October 12, 2015
  3. Cotran, Ramzi S.; Kumar, Vinay; Fausto, Nelson; Robbins, Stanley L.; Abbas, Abul K. (2005). Robbins and Cotran pathologic basis of disease. St. Louis, MO: Elsevier Saunders. ISBN 0-7216-0187-1.
  4. Pathology Education Instructional Resource. University of Alabama at Birmingham (2014). Images courtesy of Propessor Peter Anderson DVM PhD and published with permission of PEIR, Department of Pathology, University of Alabama at Birmingham. http://www.peir.net Accessed on October 12, 2015.
Causes

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Varun Kumar, M.B.B.S. [2]; Anthony Gallo, B.S. [3]

Overview

Rheumatic fever is usually caused by an infection with Group A beta-hemolytic Streptococcus pyogenes.

Causes for rheumatic fever

Common causes of rheumatic fever include:[1][2][3]

References

  1. Coburn AF, Pauli RH (1932). “Studies on the relationship of streptococcus hemolyticus to the rheumatic process: III. Observations on the immunological responses of rheumatic subjects to hemolytic streptococcus”. J Exp Med. 56 (5): 651–76. PMC 2132197. PMID 19870091.
  2. Martin JM, Barbadora KA (2006). “Continued high caseload of rheumatic fever in western Pennsylvania: Possible rheumatogenic emm types of streptococcus pyogenes”. J Pediatr. 149 (1): 58–63. doi:10.1016/j.jpeds.2006.03.006. PMID 16860129.
  3. DIAMOND EF (1957). “Hereditary and environmental factors in the pathogenesis of rheumatic fever”. Pediatrics. 19 (5): 908–15. PMID 13431316.

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Differentiating Rheumatic Fever from other Diseases

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2]; Anthony Gallo, B.S. [3]

Overview

Rheumatic fever must be differentiated from other diseases that cause fever, skin rash, nausea and fatigue, such as typhoid fever, malaria, lassa fever, ebola, and scarlet fever.

Differentiating Rheumatic Fever from Other Diseases

Mitral stenosis must be differentiated from the following:[1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23]

Diseases History Symptoms Physical Examination Murmur Diagnosis Other Findings
ECG CXR Echocardiogram Cardiac Catheterization
Mitral Stenosis
  • Age ( Mitral annular calcification in older patients)
  • Mitral facies
  • Heart murmur
  • Apical impulse displaced laterally or not palpable
  • Diastolic thrill at the apex
  • Signs of heart failure in severe cases
  • Diastolic murmur
  • Low pitched
  • Opening snap followed by decrescendo-crescendo rumbling murmur
  • Best heard with the bell of the stethoscope at apex at end-expiration in left lateral decubitus position
  • Intensity increases after a valsalva maneuver, after exercise and after increased after load (eg., squatting, isometric hand grip)
  • Right ventricular hypertropy: Dominant R wave in V1 and V2
  • Straightening of the left border of the heart suggestive of enlargement of the left atrium
  • Double right heart border (Enlarged left atrium and normal right atrium)
  • Prominent left atrial appendage
  • Reduced valve leaflet mobility
  • Valve calcification
  • Doming of mitral valve
  • Valve thickening
  • Enlargement of left atrium
Right heart catheterization:

Left heart catheterization:

  • Pressures in left ventricle
  • Determines the gradient between the left and right atrium during ventricular diastole (marker of the severity of mitral stenosis)
Mitral Regurgitation
  • Trauma
  • Symptoms of heart failure in severe cases
Palpation
  • Brisk carotid upstroke and hyperdymanic carotid impulse on palpation
  • Apical impulse is displaced to left
  • S3 and a palpable thrill

Auscultation

  • Murmur
  • High pitched, blowing
  • Radiates to axilla
  • Best heard with the diaphragm of the stethoscope at apex in left lateral decubitus position
  • Intensity increases with hand grip or squatting
Acute MR

Chronic MR

  • Enlarged cardiac silhouette
  • Straightening of left heart border
  • Splaying of subcarinal angle
  • Calcification of mitral annulus
  • Double right heart border
  • Enlargement of left atrium and ventricle
  • Identify valve abnormality
  • Valve calcification
  • Severity of regurgitation
  • Grading of MR is done with left ventriculography
Atrial septal defect
  • Frequent respiratory or lung infections
  • Dyspnea
  • Tiring when feeding (Infants)
  • Shortness of breath on exertion
  • Palpitations
  • Swelling of feet
Inspection
  • Precordial bulge
  • Precordial lift

Palpation

  • Right ventricular impulse
  • Pulmonary artery pulsations
  • Thrill

Auscultation

  • Murmur
  • Midsystolic (ejection systolic) murmur
  • Widely split, fixed S2
  • Upper left sternal border
  • Increased pulmonary markings
  • Cardiomegaly
  • Triangular appearance of heart
  • Schimitar sign
Left Atrial Myxoma
  • Symptoms may mimic mitral stenosis
Skin

Auscultation:

  • Lung: Fine crepitations
  • Heart: Characteristic “tumor plop”
  • Early diastolic sound as “tumor plop”
  • Low frequency diastolic murmur may be heard if the tumor obstructing mitral valve
  • Often normal
  • Often normal

Rare findings:

  • cardiomegaly
  • Left atrial enlargement
  • tumor calcification etc.,
  • Useful to detect vascular supply of the tumor by the coronary arteries
  • Associated with Carney complex (genetic predisposition)
Prosthetic Valve Obstruction
  • History of valve replacement
  • Systemic embolism
  • Shortness of breath
  • Fatigue
Ausculation

Muffling of murmur

  • Muffling or disappearance of prosthetic sounds
  • Appearance of new regurgitant or obstructive murmur
  • Degree of stenosis
  • Assess thrombus size and location
  • Differentiate between thrombus, pannus and vegetations
Causes:
  • Thrombus
  • Pannus formation
Cor Triatriatum
  • Dsypnea on exertion
  • Orthopnea
  • Tachypnea
  • Palpitations
  • Growth failure
Auscultation
  • Murmur

Other findings

  • Signs of heart failure
  • Diastolic murmur with loud P2
  • No opening snap or a loud S1
Non specific but may have
  • Normal cardiac silhouette
  • Hemodynamic changes similar to mitral stenosis (non specific findings)
  • Direct visualization of membrane through the atrium
  • +/- visualization of accessory chamber
  • Normal left ventricular hemodynamic profile with a trans atrial gradient
Types
  • Cor triatriatum sinistrum
  • Cor triatriatum dextrum
Congenital Mitral Stenosis
  • Respiratory distress shortly after birth
  • Recurrent severe pulmonary infections
  • Other associated congenital cardiovascular anamolies
  • Atrial fibrillation

Infants:

  • Exhaustion and sweating on feeding
  • Rapid breathing
  • Failure to thrive
  • Pulmonary infections
  • Chronic cough

Older patients:

  • Dyspnea
  • Orthopnea
  • Paroxysmal nocturnal dyspnea
  • Peripheral edema
  • Fatigue
Auscultation
  • Murmur

Other findings

  • Signs of heart failure
Mild-Moderate
  • Loud S1
  • Loud P2
  • Low frequency diastolic murmur best heard at the apex

Severe

  • Soft S1
  • Loud pulmonic component of S2 with minimal respiratory splitting of S2
  • Holodiastolic murmur with presystolic accentuation best heard at the apex
  • Early diastolic murmur of pulmonic valve regurgitation
  • Sharp P waves in leads I and II
  • Inversion of P wave in lead III
  • Marked Q waves in leads II and III
  • Left atrial dilation
  • Moderate enlargement of right heart
  • Pulmonary venous congestion
  • Esophageal compression
  • Reduced valve leaflet mobility
  • Left atrial size
  • Severity of mitral stenosis
Very rare condition
Supravalvular Ring Mitral Stenosis
  • Other associated congenital heart defects
  • Fatigue
  • Frequent respiratory infections
  • Failure to thrive
  • Poor feeding
  • Precocious congestive heart failure
  • Shortness of breath
  • Tachypnea
  • Dyspnea
  • Nocturnal cough
  • Heamoptysis
  • Syncope
Auscultation:

Lungs: Fine, crepitant rales and rhonchi or wheezes may be present

Heart: Murmur

  • An apical mid diastolic murmur with presystolic accentuation
  • No opening snap
  • The murmur is more prominent if associated with VSD or PDA
  • Left atrial and ventricular enlargement
  • Alveolar edema
Supramitral ring:
  • Associated with normal mitral valve apparatus

Intramitral ring:

  • Hypomobility of the posterior leaflet
  • Reduced interpapillary muscle distance
  • Reduced chordal length
  • Dominant papillary muscle
  • Hypoplastic mitral annulus

(Difficult to visualize membrane <1mm in size)

  • Persistently elevated pulmonary venous pressures
  • Increased pulmonary artery pressure
Types
  • Supramitral
  • Intramitral

It is attached between the opening of the atrial appendage and the mitral annulus which helps in differentiating with Cor triatriatum sinister.

  • Intramitral type is associated with shone complex

References

  1. Nassar PN, Hamdan RH (2011). “Cor Triatriatum Sinistrum: Classification and Imaging Modalities”. Eur J Cardiovasc Med. 1 (3): 84–87. doi:10.5083/ejcm.20424884.21. PMC 3286827. PMID 22379596.
  2. Roudaut R, Serri K, Lafitte S (2007). “Thrombosis of prosthetic heart valves: diagnosis and therapeutic considerations”. Heart. 93 (1): 137–42. doi:10.1136/hrt.2005.071183. PMC 1861363. PMID 17170355.
  3. Apostolakis EE, Baikoussis NG (2009). “Methods of estimation of mitral valve regurgitation for the cardiac surgeon”. J Cardiothorac Surg. 4: 34. doi:10.1186/1749-8090-4-34. PMC 2723095. PMID 19604402.
  4. Alboliras ET, Edwards WD, Driscoll DJ, Seward JB (1987). “Cor triatriatum dexter: two-dimensional echocardiographic diagnosis”. J Am Coll Cardiol. 9 (2): 334–7. PMID 3805524.
  5. Gibson DG, Honey M, Lennox SC (1974). “Cor triatriatum. Diagnosis by echocardiography”. Br Heart J. 36 (8): 835–8. PMC 458901. PMID 4412638.
  6. Cor triatrium https://radiopaedia.org/articles/cor-triatriatum (2016) Accessed on November 29, 2016
  7. Sosland RP, Vacek JL, Gorton ME (2007). “Congenital mitral stenosis: a rare presentation and novel approach to management”. J Thorac Cardiovasc Surg. 133 (2): 572–3. doi:10.1016/j.jtcvs.2006.10.025. PMID 17258606.
  8. Driscoll DJ, Gutgesell HP, McNamara DG (1978). “Echocardiographic features of congenital mitral stenosis”. Am J Cardiol. 42 (2): 259–66. PMID 685838.
  9. Bonou M, Lampropoulos K, Barbetseas J (2012). “Prosthetic heart valve obstruction: thrombolysis or surgical treatment?”. Eur Heart J Acute Cardiovasc Care. 1 (2): 122–7. doi:10.1177/2048872612451169. PMC 3760527. PMID 24062899.
  10. Maganti K, Rigolin VH, Sarano ME, Bonow RO (2010). “Valvular heart disease: diagnosis and management”. Mayo Clin Proc. 85 (5): 483–500. doi:10.4065/mcp.2009.0706. PMC 2861980. PMID 20435842.
  11. DEXTER L (1956). “Atrial septal defect”. Br Heart J. 18 (2): 209–25. PMC 479579. PMID 13315850.
  12. Webb G, Gatzoulis MA (2006). “Atrial septal defects in the adult: recent progress and overview”. Circulation. 114 (15): 1645–53. doi:10.1161/CIRCULATIONAHA.105.592055. PMID 17030704.
  13. Geva T, Martins JD, Wald RM (2014). “Atrial septal defects”. Lancet. 383 (9932): 1921–32. doi:10.1016/S0140-6736(13)62145-5. PMID 24725467.
  14. Demir M, Akpinar O, Acarturk E (2005). “Atrial myxoma: an unusual cause of myocardial infarction”. Tex Heart Inst J. 32 (3): 445–7. PMC 1336732. PMID 16392241.
  15. MacGowan SW, Sidhu P, Aherne T, Luke D, Wood AE, Neligan MC; et al. (1993). “Atrial myxoma: national incidence, diagnosis and surgical management”. Ir J Med Sci. 162 (6): 223–6. PMID 8407260.
  16. Circulation http://circ.ahajournals.org/content/119/7/1034 (2016) Accessed on December 7, 2016
  17. Alphonso N, Nørgaard MA, Newcomb A, d’Udekem Y, Brizard CP, Cochrane A (2005). “Cor triatriatum: presentation, diagnosis and long-term surgical results”. Ann Thorac Surg. 80 (5): 1666–71. doi:10.1016/j.athoracsur.2005.04.055. PMID 16242436.
  18. circulation http://circ.ahajournals.org/content/36/1/101 (1967) Accessed on 7 December, 2016
  19. Moore P, Adatia I, Spevak PJ, Keane JF, Perry SB, Castaneda AR; et al. (1994). “Severe congenital mitral stenosis in infants”. Circulation. 89 (5): 2099–106. PMID 8181134.
  20. Uva MS, Galletti L, Gayet FL, Piot D, Serraf A, Bruniaux J; et al. (1995). “Surgery for congenital mitral valve disease in the first year of life”. J Thorac Cardiovasc Surg. 109 (1): 164–74, discussion 174-6. doi:10.1016/S0022-5223(95)70432-9. PMID 7815793.
  21. Banerjee A, Kohl T, Silverman NH (1995). “Echocardiographic evaluation of congenital mitral valve anomalies in children”. Am J Cardiol. 76 (17): 1284–91. PMID 7503011.
  22. Sullivan ID, Robinson PJ, de Leval M, Graham TP (1986). “Membranous supravalvular mitral stenosis: a treatable form of congenital heart disease”. J Am Coll Cardiol. 8 (1): 159–64. PMID 3711511.
  23. Subramaniam V, Herle A, Mohammed N, Thahir M (2011). “Ortner’s syndrome: case series and literature review”. Braz J Otorhinolaryngol. 77 (5): 559–62. PMID 22030961.
Epidemiology and Demographics

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Lance Christiansen, D.O.; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Varun Kumar, M.B.B.S. [3]; Anthony Gallo, B.S. [4]

Overview

The incidence of rheumatic fever among developed countries such as the USA and Canada was approximately 20-40 per 100,000 individuals between 1970-1990 with rheumatic heart disease occurring sporadically. Over past two decades, the prevalence of rheumatic fever has decreased to 5-20 per 100,000 individuals in Canada and <5 per 100,000 individuals in the USA with no new cases of rheumatic heart disease.

Epidemiology and Demographics

Prevalence

Between 1990 and the present, the prevalence of rheumatic fever has decreased to 5-20 per 100,000 individuals in Canada and <5 per 100,000 individuals in the USA with no new cases of rheumatic heart disease.[1] More information regarding prevalence of rheumatic fever can be found here.

Incidence

Between 1970-1990, the incidence of rheumatic fever among developed countries such as the USA and Canada was approximately 20-40 per 100,000 individuals between 1970-1990 with rheumatic heart disease occurring sporadically. More information regarding incidence of rheumatic fever can be found here.

Age

Rheumatic fever tends to affect a younger age group, generally between the ages of 5-15.[2] Group A beta-hemolytic streptococcus pharyngitis is uncommon in children less than 3 years of age, and rheumatic fever is extremely rare. Rheumatic fever among adults is less frequent and accounts for approximately 20% of cases.

Gender

No predilection towards either gender exists. However, certain manifestations of rheumatic fever such as mitral valve prolapse, carditis, and Sydenham chorea are commonly often observed among females than males.[3]

Developed Countries

The incidence of rheumatic fever among developed countries such as the USA and Canada was approximately 20-40 per 100,000 individuals during the period 1970-1990 with rheumatic heart disease occurring sporadically. Over past two decades, the prevalence of rheumatic fever has decreased to 5-20 per 100,000 individuals in Canada and <5/100,000 individuals in the USA with no new cases of rheumatic heart disease.[1] The incidence of rheumatic fever among developed nations is low, likely due to improved hygienic standards and routine use of antibiotics for acute pharyngitis.[4]

Developing Countries

The rates of rheumatic fever and rheumatic heart diseases among developing nations have mixed trends. Recently, the incidence rate of rheumatic fever has decreased in India, China, and African countries, which has been mainly attributed to improved access to medical treatment. This has led to improved survival rates even among individuals with rheumatic heart disease. As a result, an increase in prevalence rate has been observed.[1] Newer studies relying on echocardiography in the diagnosis of rheumatic heart disease have demonstrated that rates of subclinical carditis are up to 10x higher than that diagnosed by clinical examination.[5][6][7][8] India, Pakistan, Russia, and African countries have higher prevalence rates of rheumatic heart disease. It is estimated that approximately there are 62-78 million rheumatic heart disease patients worldwide, which could potentially result in 1.4 million deaths per year.[9][10] Occurrence of rheumatic fever is associated with low socioeconomic and over crowded conditions.

References

  1. 1.0 1.1 1.2 Seckeler MD, Hoke TR (2011). “The worldwide epidemiology of acute rheumatic fever and rheumatic heart disease”. Clin Epidemiol. 3: 67–84. doi:10.2147/CLEP.S12977. PMC 3046187. PMID 21386976.
  2. Grover A, Dhawan A, Iyengar SD, Anand IS, Wahi PL, Ganguly NK (1993). “Epidemiology of rheumatic fever and rheumatic heart disease in a rural community in northern India”. Bull World Health Organ. 71 (1): 59–66. PMC 2393425. PMID 8440039.
  3. Bisno AL. Rheumatic fever. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 313
  4. Miyake CY, Gauvreau K, Tani LY, Sundel RP, Newburger JW (2007). “Characteristics of children discharged from hospitals in the United States in 2000 with the diagnosis of acute rheumatic fever”. Pediatrics. 120 (3): 503–8. doi:10.1542/peds.2006-3606. PMID 17766522.
  5. Marijon E, Ou P, Celermajer DS, Ferreira B, Mocumbi AO, Jani D; et al. (2007). “Prevalence of rheumatic heart disease detected by echocardiographic screening”. N Engl J Med. 357 (5): 470–6. doi:10.1056/NEJMoa065085. PMID 17671255.
  6. Bhaya M, Panwar S, Beniwal R, Panwar RB (2010). “High prevalence of rheumatic heart disease detected by echocardiography in school children”. Echocardiography. 27 (4): 448–53. doi:10.1111/j.1540-8175.2009.01055.x. PMID 20345448.
  7. Sadiq M, Islam K, Abid R, Latif F, Rehman AU, Waheed A; et al. (2009). “Prevalence of rheumatic heart disease in school children of urban Lahore”. Heart. 95 (5): 353–7. doi:10.1136/hrt.2008.143982. PMID 18952636.
  8. Carapetis JR, Hardy M, Fakakovikaetau T, Taib R, Wilkinson L, Penny DJ; et al. (2008). “Evaluation of a screening protocol using auscultation and portable echocardiography to detect asymptomatic rheumatic heart disease in Tongan schoolchildren”. Nat Clin Pract Cardiovasc Med. 5 (7): 411–7. doi:10.1038/ncpcardio1185. PMID 18398402.
  9. Paar JA, Berrios NM, Rose JD, Cáceres M, Peña R, Pérez W; et al. (2010). “Prevalence of rheumatic heart disease in children and young adults in Nicaragua”. Am J Cardiol. 105 (12): 1809–14. doi:10.1016/j.amjcard.2010.01.364. PMC 2895982. PMID 20538135.
  10. Carapetis JR, Steer AC, Mulholland EK, Weber M (2005). “The global burden of group A streptococcal diseases”. Lancet Infect Dis. 5 (11): 685–94. doi:10.1016/S1473-3099(05)70267-X. PMID 16253886.

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Risk Factors

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Varun Kumar, M.B.B.S. [2]; Anthony Gallo, B.S. [3]

Overview

Common risk factors in the development of rheumatic fever include poor sanitation, low socioeconomic status, and family history.

Risk Factors

Common risk factors in the development of rheumatic fever include:[1][2][3]

References

  1. Vlajinac H, Adanja B, Marinković J, Jarebinski M (1991). “Influence of socio-economic and other factors on rheumatic fever occurrence”. Eur J Epidemiol. 7 (6): 702–4. PMID 1783067.
  2. DIAMOND EF (1957). “Hereditary and environmental factors in the pathogenesis of rheumatic fever”. Pediatrics. 19 (5): 908–15. PMID 13431316.
  3. Martin JM, Barbadora KA (2006). “Continued high caseload of rheumatic fever in western Pennsylvania: Possible rheumatogenic emm types of streptococcus pyogenes”. J Pediatr. 149 (1): 58–63. doi:10.1016/j.jpeds.2006.03.006. PMID 16860129.
Screening

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Varun Kumar, M.B.B.S. [2]; Anthony Gallo, B.S. [3]

Overview

Screening of rheumatic fever is important as many cases of rheumatic heart disease are subclinical. Echocardiography among inhabitants of high risk regions is recommended. If any abnormality is detected on echocardiography, further cardiac evaluation is performed followed by antimicrobial therapy.

Screening

References

  1. Marijon E, Ou P, Celermajer DS, Ferreira B, Mocumbi AO, Sidi D; et al. (2008). “Echocardiographic screening for rheumatic heart disease”. Bull World Health Organ. 86 (2): 84. PMC 2647380. PMID 18297157.
  2. Meira ZM, Goulart EM, Colosimo EA, Mota CC (2005). “Long term follow up of rheumatic fever and predictors of severe rheumatic valvar disease in Brazilian children and adolescents”. Heart. 91 (8): 1019–22. doi:10.1136/hrt.2004.042762. PMC 1769032. PMID 16020588.

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Natural History, Complications, and Prognosis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Lance Christiansen, D.O.; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Varun Kumar, M.B.B.S. [3]; Anthony Gallo, B.S. [4]

Overview

If left untreated, patients with rheumatic fever may progress to develop arrhythmias, systemic emboli, and endocarditis, which may lead to cardiac failure. Common complications of rheumatic fever include mitral/aortic valve stenosis, carditis, and stroke. Prognosis is generally poor if left untreated.

Natural History, Complications, and Prognosis

Natural History

If left untreated, rheumatic fever may cause valvular diseases including stenosis, regurgitation of mitral/aortic valves and myocarditis. This may lead to decreased cardiac output, pulmonary edema, and ultimately cardiac failure. If an individual develops rheumatic fever, they will develop an increased sensitization to Streptococcus pyogenes autoantigens. Future infection will likely cause an elevated, autoimmunological response and a more severe case of rheumatic fever will develop.

It is estimated that the recurrence rate of rheumatic fever is decreased by about 85% by providing prophylactic penicillin therapy. Recurrence rate of 0.2/patient/year follow-up was noted among those not receiving regular treatment.[1]

Complications

Complications to rheumatic fever include:[1][2][3]

Prognosis

For cases without carditis, the prognosis is excellent, demonstrating no residual heart disease. In cases with preexisting or developing heart disease, the prognosis is poor, leading to mortality.[4]

References

  1. 1.0 1.1 Majeed HA, Yousof AM, Khuffash FA, Yusuf AR, Farwana S, Khan N (1986). “The natural history of acute rheumatic fever in Kuwait: a prospective six year follow-up report”. J Chronic Dis. 39 (5): 361–9. PMID 3700577.
  2. Garg N, Kandpal B, Garg N, Tewari S, Kapoor A, Goel P; et al. (2005). “Characteristics of infective endocarditis in a developing country-clinical profile and outcome in 192 Indian patients, 1992-2001”. Int J Cardiol. 98 (2): 253–60. doi:10.1016/j.ijcard.2003.10.043. PMID 15686775.
  3. Carapetis JR, Steer AC, Mulholland EK, Weber M (2005). “The global burden of group A streptococcal diseases”. Lancet Infect Dis. 5 (11): 685–94. doi:10.1016/S1473-3099(05)70267-X. PMID 16253886.
  4. The Natural History of Rheumatic Fever and Rheumatic Heart Disease, Rheumatic Fever Working Party of the Medical Research Council of Great Britain and the American Heart Association (1965). http://circ.ahajournals.org/content/32/3/457 Accessed on October 12, 2015
Diagnosis

Diagnosis

Jones Criteria | History and Symptoms | Physical Examination | Laboratory Findings | Electrocardiogram | Chest X Ray | Echocardiography

Treatment

Treatment

Medical therapy | Primary Prevention | Secondary Prevention

Case Studies

Case Studies

Case #1

Template:Bacterial diseases Template:Hypersensitivity and autoimmune diseases

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