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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Peripheral cyanosis, dyspnea, fever, chest pain, and clubbing

Introduction

Abbreviations: ABG= Arterial blood gas, ANP= Atrial natriuretic peptide, BNP= Brain natriuretic peptide, CBC= Complete blood count, COPD= Chronic obstructive pulmonary disease, CRP= C-reactive protein, CT= Computed tomography, CXR= Chest X-ray, DVT= Deep vein thrombosis, ESR= Erythrocyte sedimentation rate, HRCT= High Resolution CT, IgE= Immunoglobulin E, LDH= Lactate dehydrogenase, PCWP= Pulmonary capillary wedge pressure.

Diseases Cyanosis Clinical manifestations Para-clinical findings Gold standard Additional findings
Symptoms Physical examination
Lab Findings Imaging
Peripheral Central Dyspnea Fever Chest pain Clubbing Peripheral edema Auscultation CBC ABG Electrolytes Other X-ray CT scan Other
Pulmonary diseases Parenchymal disorder Alveolitis[1] +/- + + + + +/- – Wheeze, Crackles Leukocytosis, Eosinophilia ↓O2, ↑CO2 Normal ↑ESR, ↑CRP Scattered opacities, Fine reticulation Homogeneous ground-glass opacity – HRCT PLUS Clinical findings Malaise, Chills, Headache
Cystic fibrosis[2] + – + +/- +/- + – Wheeze, Crackles Normal ↓O2, ↑CO2 Increased sweat chloride Sweat chloride test Hyperinflation, Nodules Peribronchial thickening, Bronchiectasis – Sweat chloride test Absent vas deferens
COPD

(Severe emphysema)[3]

+ – + +/- + +/- +/- Reduced breath sounds, Wheeze, Inspiratory crackles Polycythemia ↓O2, ↑CO2 Normal Alpha 1-antitrypsin test Elongated heart, Flattened diaphragms, Prominent hilar vasculature Bullae – HRCT Pulmonary hypertension, Right heart failure
Hematologic diseases Polycythemia[4] + + + +/- +/- + – Normal ↑RBC, ↑WBC, ↑HGB, ↑Plt ↓O2 Hyperkalemia ↑Leukocyte alkaline phosphatase, ↑Ferritin, ↑Erythropoietin AVM, COPD, pulmonary hypertension Normal Abdominal ultrasound or renal vascular studies for ruling out renal artery stenosis RBC mass (RCM) and plasma volume measurement Itchiness, Headache. Dizziness. Blurred vision

References

  1. ↑ Lee JS, Im JG, Ahn JM, Kim YM, Han MC (August 1992). “Fibrosing alveolitis: prognostic implication of ground-glass attenuation at high-resolution CT”. Radiology. 184 (2): 451–4. doi:10.1148/radiology.184.2.1620846. PMID 1620846.
  2. ↑ “Cystic fibrosis – Genetics Home Reference”.
  3. ↑ Qureshi H, Sharafkhaneh A, Hanania NA (2014). “Chronic obstructive pulmonary disease exacerbations: latest evidence and clinical implications”. Ther Adv Chronic Dis. 5 (5): 212–27. doi:10.1177/2040622314532862. PMC 4131503. PMID 25177479.
  4. ↑ Spivak JL (February 2002). “The optimal management of polycythaemia vera”. Br. J. Haematol. 116 (2): 243–54. PMID 11841424.

Editor-In-Chief:
C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Eiman Ghaffarpasand, M.D. [2]