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.
Pleural fluid analysis may be ordered when a doctor suspects that a person has a condition or disease that is causing pleuritis and/or pleural effusion. It may be ordered when someone has some combination of the following signs and symptoms 1  : Chest pain that worsens with deep breathing. 2  Coughing.