what caues an enlarged heart
An enlarged heart is medically known as cardiomegaly. Cardiomegaly can be caused by a number of different conditions, including diseases of the heart muscle or heart valves, high blood pressure, arrhythmias, and pulmonary hypertension.t is important to remember that an enlarged heart is not a disease itself but a physical sign that can accompany many diseases and conditions. Not all of the associated conditions listed below, however, will always result in cardiomegaly. Treatment and prognosis are dependent upon the underlying cause.