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.
Lung Problems. As with the heart, fluid accumulation around the lungs can also cause shortness of breath and tachycardia. This fluid accumulation, known as pleural effusion, may be caused by an infection or irritation of lung tissue.Other lung problems include pneumonia, upper respiratory infections, blood clots and a collapsed lung.ung Problems. As with the heart, fluid accumulation around the lungs can also cause shortness of breath and tachycardia. This fluid accumulation, known as pleural effusion, may be caused by an infection or irritation of lung tissue.