Atrial fibrillation may occur in all the following conditions, except?: (A) Mitral stenosis, (B) Hypothyroidism, (C) Dilated cardiomyopathy, (D) Mitral regurgitation
Answer is B. Option A: MS -Trigger A. fibrillation. Option B: Hypothyroidism -Low voltage ECG, bradycardia, pericardial effusion. Option C: DCM -Damage to LA & RA - A. fibrillation Option D: MR- Leakage blood from LV to LA-trigger A. fibrillation.