The difference between athletes heart dilatation and pathological heart dilatation is the point at issue in the research.

Athlete's heart appears as heart dilatation in shape. The type and degree of heart dilatation have a close relationship with sport item, intensity of training and time of training.

Objective: The nomenclature and possible cause of hypertrophic cardiomyopathy (HCM) with ventricular dilatation and heart failure were explored.