Arq. Bras. Cardiol. 2021; 116(2 suppl 1): 32-35
Isolated Right Ventricle Myocardial Infarction – Is the Right Ventricle Still the Forgotten Ventricle?
Ana Marques
, Inês Cruz, Alexandra Briosa, Isabel João, Sofia Almeida, Hélder Pereira
Introduction
Isolated right ventricular myocardial infarction is extremely rare, and it is often silent, with only 25% of patients developing clinically evident hemodynamic manifestations on presentation. Current management of acute myocardial infarction is based on prompt diagnosis and immediate revascularization. About 90% of patients presenting with ST-segment elevation myocardial infarction have an explanatory coronary artery stenosis or occlusion. Myocardial infarction with non-obstructive coronary arteries (MINOCA) should lead the treating physician to investigate underlying causes, since failure to identify the underlying cause may result in inadequate and inappropriate therapy in these patients.
We describe a case of isolated right ventricular myocardial infarction with normal physical examination, transthoracic echocardiograms, and non-obstructive coronary artery disease on coronary angiography, whose definitive diagnosis was established by cardiac magnetic resonance imaging.
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