心脏性气喘是一种阵发性呼吸困难,由于多在夜间熟睡后发作,故又称阵发性夜间呼吸困难。部份病例在发作时可出现哮鸣性呼吸音,如不仔细鉴别易与支气管哮喘等疾病相混淆。及时诊断和正确处理对本症的预后有很大关系,值得重视。一、临床表现多在夜间熟睡后1～2小时发生。患者因胸闷气急而突然惊醒,立即坐起,端坐于床边或椅子上,吸气及呼气均有明显困难,往往伴有反复咳嗽。约半数以上病例(急性左心室衰竭者多见)有哮鸣性呼吸音,咯泡沫样痰。发作时间长短不一,轻者十多分钟,一般在半小时至一小时左右,严重病例每次发作可超过一小时,且可连续发作,呈心脏性气喘状态。患者一 Cardiac asthma is a paroxysmal dyspnea, due to more after sleeping at night attack, it is also known as paroxysmal nocturnal dyspnea. In some cases, wheezing may occur when the breath sounds, if not carefully identified easily confused with bronchial asthma and other diseases. Timely diagnosis and correct treatment of the prognosis of this disease have a great relationship, it is worth attention. First, the clinical manifestations and more sleep at night after 1 to 2 hours. Patient suddenly awakened because of chest tightness and shortness of breath, and immediately sit up, sitting on the bed or chair, breathing and exhalation were obvious difficulties, often accompanied by repeated coughing. About half of cases (acute left ventricular failure were more common) wheezing breath sounds, slightly foam-like sputum. Seizures of varying lengths, light more than ten minutes, usually in about half an hour to one hour, severe episodes of each attack can be more than one hour, and can be a continuous attack, was heart-breathing state. Patient one