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Acute heart failure

Acute heart failure (AHF) refers to the clinical syndrome of acute pulmonary congestion, pulmonary edema, insufficient perfusion of tissues and organs and cardiogenic shock caused by acute attack or aggravated left ventricular dysfunction, resulting in decreased myocardial contractility and increased cardiac load, resulting in sudden drop of acute cardiac output, increased pulmonary circulation pressure and increased peripheral circulation resistance, resulting in pulmonary circulation congestion. Acute heart failure can be acute exacerbation or sudden onset on the basis of the original chronic heart failure. Before the onset, most patients are complicated with organic cardiovascular disease, which can be manifested as systolic heart failure or diastolic heart failure. Acute heart failure is often life-threatening and must be rescued urgently.


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