Abstract
A 42-year old Caucasian male was found with first-degree atrioventricular block, right bundle branch block, and left anterior hemiblock on electrocardiogram ( Panel A ) and cardiomegaly on chest X-ray ( Panel B ). The left ventricle (LV) was severely dilated by echocardiography with a spherical shape (diastolic dimension 75 mm), reduced systolic function (EF 45%), and an akinetic, retracted LV apex with prominent endomyocardial calcification ( Panels C and D ). Coronary angiography revealed normal coronary arteries (see Supplementary data online, Video S1 ), and LV angiography confirmed calcification ( Panel E ), retraction, as well as akinesia and fixation of the apex ( Panel F ) (see Supplementary data online, Video S2 ). Cardiac …
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