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.
And sometimes, fluid around the heart occurs for no reason that we can determine, which is known as idiopathic pericarditis. In fact, the most common cause of pericarditis is an idiopathic (or presumed) viral infection, which usually will go away on its own over time or with anti-inflammatory medications. Fluid buildup is also fairly common after heart surgery, related to a condition known as post-cardiotomy syndrome.