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.
Chagas disease electrocardiogram
Introduction
Overview
Overview
RBBB and AV block are common findings on ECG among patients with Chagas disease cardiomyopathy.
Electrocardiogram
Electrocardiogram
- Annual 12-lead ECG is recommended for all (treated and untreated) patients with Chagas disease:
- Abnormal 12-lead ECG warrant further cardiac evaluation:
- Echocardiography
- Ambulatory ECG evaluation
- Electrophysiological studies
Common ECG Findings
Common ECG Findings
- RBBB
- AV blocks
- Tachyarrhythmias
- Bradyarrhythmias
- Sinus node dysfunction
Acute form of Chagas Disease
In a patient with diagnosed Chagas disease, cardiac damage is suspected if one or more following ECG findings occurs:
- Right bundle-branch block (RBBB),
- Left anterior fascicular block (LAFB),
- Atrio-Ventricular blocks
- Multifocal PVCs
- Sinus bradycardia
- Abnormal ST segment and / or T wave changes
- Abnormal T and / or Q waves
- Myocarditis is infrequent, appearing in only 1-5% of patients whose having the acute phase of Chagas Disease (1-5 of every 10,000 infected subjects).
References
References
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]