Yamaguchi cardiomyopathy on Electrocardiogram (EKG) That time when a doctor tells you that you're "having a heart attack", but you feel good... ECG has been stable for years, she only feels unwell when in SVT. Cardiac MR shows no LGE and no apical aneurysm. Eli Gelfand, MD, FACC @the_gelf #Yamaguchi #cardiomyopathy #ecg #ekg #electrocardiogram #hypertrophic #clinical #cardiology