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.
Symptoms of Fluid Around the Heart. Pericardial effusion is often caused by pericarditis or inflammation of the outer membrane lining the heart. Chest pain is the most prominent symptom. It usually worsens when breathing deeply and is relieved by leaning forward.