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.
Pericardial effusion, sometimes called fluid around the heart, causes an accumulation of fluid between the heart and the pericardium, the heartâs lining. When the volume of fluid in the pericardium gets too high, pericardial effusion puts pressure on the heart, reducing the heartâs function. Pericardial Effusion Causes.