Chronic stable<unk><unk>  may easily<unk>  This most commonly results from an intercurrent illness (such as pneumonia), myocardial infarction (a<unk>  attack), abnormal<unk>  rhythms (such as atrial fibrillation), uncontrolled high blood pressure, or the person's<unk>  to maintain a fluid restriction, diet, or medication. Other well recognized precipitating factors include anemia and hyperthyroidism which place additional strain on the<unk>  muscle. Excessive fluid or salt intake, and medication that causes fluid retention such as NSAIDs and thiazolidinediones, may also precipitate decompensation. Acute myocardial infarction can precipitate<unk>  and will necessitate emergent revascularization with thrombolytics, percutaneous coronary intervention, or coronary artery bypass graft.
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