By Andrew Zimmerman Jones. Definition: Dark matter is a hypothesized form of matter particle that does not reflect or emit electromagnetic radiation. The existence of dark matter is inferred from gravitational effects on visible matter, such as stars and galaxies.
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.
Learn the symptoms. Although it is not a disease, there are symptoms that some people with an enlarged heart suffer. An irregular heart beat, shortness of breath, dizziness, and coughing are some of the symptoms of an enlarged heart.Your symptoms may also vary, depending on the underlying cause of your enlarged heart.reat heart tissue scarring with diuretics. If you have an enlarged heart, especially if it due to cardiomyopathy, your doctor may prescribe diuretics. These medications help lower the levels of water and sodium in the body and help decrease the thickness of your heart muscles. 1  This medication may lower blood pressure.