A Rare Case of Restrictive Cardiomyopathy with Massive Fat Accumulation on the Surface of the Heart.

The article presents a case study of a 12-year-old female with symptoms of chest tightness, fatigue, and abdominal distension of unknown origin. The patient was diagnosed with restrictive cardiomyopathy characterized by biatrial and right ventricular enlargement, biventricular systolic dysfunction, and right atrial appendage aneurysm with thrombosis, along with massive fat accumulation on the surface of the heart.