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急性左心衰竭是临床急重症之一,如不及时治疗,可危及患者生命。一、常见病因 1.左心室后负荷增加:如高血压、主动脉瓣狭窄等疾病。 2.左心室前负荷增加:如主动脉瓣或二尖瓣关闭不全,动脉导管未闭等疾病。 3.心肌本身病变:如心肌炎(风湿性、中毒性及病毒性等),冠心病或急性心肌梗塞、克山病等疾患。二尖瓣狭窄可引起急性肺水肿,但不属于左心衰
Acute left heart failure is one of the major clinical emergency, if not treated, can endanger the lives of patients. First, the common cause of 1. Left ventricular afterload increase: such as hypertension, aortic stenosis and other diseases. 2. Left ventricular preload increase: such as aortic valve or mitral regurgitation, patent ductus arteriosus and other diseases. 3. Myocardial lesions itself: such as myocarditis (rheumatic, toxic and viral, etc.), coronary heart disease or acute myocardial infarction, Keshan disease and other diseases. Mitral stenosis can cause acute pulmonary edema, but does not belong to left heart failure