Restrictive cardiomyopathy in a patient presented with fever, vomiting, and consciousness disorder.

Restrictive cardiomyopathy (RCM) is an uncommon form of myocardial disorder characterized by diastolic dysfunction and increased myocardial stiffness. Endomyocardial fibrosis is one type of RCM hallmarked by formation of fibrous tissue on the endocardium. This report describes a case of RCM confirmed by autopsy in a young man who presented atypically with fever, vomiting, and delirium.