Contemporary Examples. 1  Biden is such a straight shooter that pundits say he needs a muzzle. 2  Suddenly, the darkness came alive with muzzle flashes and tracer rounds. 3  The result of the back-and-forth was guaranteed national publicity for the very ideas the politicians wanted to muzzle.
Early symptoms of fluid around the heart include feeling out of breath, even when lying down. Breathing often becomes easier when you sit up or lean forward. Other signs include feeling lightheaded or dizzy, chest pain that is sharp and stabbing, chest tightness and a dry, chronic cough.
A pericardial effusion is the accumulation of fluid in the sac surrounding the heart, which can lead to the appearance of an enlarged heart. Cardiomyopathy is a related term that refers to damage to the heart muscle. Cardiomyopathies are often accompanied by cardiomegaly. Symptoms of cardiomegaly depend on the cause. Sometimes, cardiomegaly may not cause symptoms. In other cases it can cause signs and symptoms like edema (water retention) with weight gain, arrhythmia, palpitations, tiredness, fatigue, shortness of breath, and chest pain. Medically Reviewed by a Doctor on 12/19/2016.