<unk>  <unk>  is a sudden worsening of the signs and symptoms of<unk>  failure, which typically includes difficulty breathing (dyspnea), leg or feet swelling, and fatigue.<unk>  is a common and potentially serious cause of<unk>  respiratory distress. The condition is caused by severe congestion of multiple organs by fluid that is inadequately circulated by the failing<unk> . An attack of decompensation can be caused by underlying medical illness, such as myocardial infarction, an abnormal<unk>  rhythm, infection, or thyroid disease. Treatment consists of reducing the fluid level with diuretics and improving<unk>  function with nitrates, or levosimendan; other treatments such as aquapheresis ultra-filtration may also be required.
Acute decompensated heart failure
Acute exacerbation of chronic obstructive pulmonary disease
Acute pericarditis
Acute chest syndrome
Adrenal crisis
Acute liver failure
Uremic pericarditis
Swimming-induced pulmonary edema