Chagas cardiomyopathy can be classified using the American College of Cardiology (ACC) and American Heart Association (AHA) stages for heart failure.
Parameters:
(1) ECG
(2) cardiac size
(3) left ventricular ejection fraction (LVEF)
(4) NYHA functional class
ECG
Cardiac Size
LVEF
NYHA
Stage
normal
Class I
A
abnormal
B
increased
decreased
Class II or III
C
Class IV
D
where:
• Cardiac size and LVEF can probably be merged into 1 variable.
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Specialty: Infectious Diseases