Pulmonary edema is a condition characterized by the accumulation of fluid in the air sacs (alveoli) of the lungs, which leads to impaired gas exchange and difficulty in breathing. This condition is often a result of heart failure or other cardiopulmonary issues, where increased pressure in the pulmonary capillaries causes fluid to leak into the alveoli. Understanding pulmonary edema is crucial, as it can be a life-threatening complication of heart failure and indicates worsening cardiopulmonary function.
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