Abstract
An 18-year-old Venezuelan woman, with a history of idiopathic restrictive cardiomyopathy, presented at our hospital with ongoing dyspnea, palpitations, and lightheadedness. A medical evaluation revealed heart failure, pulmonary hypertension, and heparin-induced thrombocytopenia. Cardiac catheterization revealed normal coronary arteries. The left ventriculogram demonstrated late filling of the apex, which was almost obliterated by prominent trabeculations. Moderate mitral regurgitation with significant enlargement of the left atrium was observed. The ejection fraction was 44%, without regional wall motion abnormalities (Figure 1). Figure 1. End-systolic (A) and end-diastolic (B) frames of the left ventriculography show partial obliteration of the cavity …
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