临床上可见一些病人肥胖,夜间有持续窒息样睡眠,随之产生强烈鼾声并醒来。通常他们白天长时间睡眠。这类病人在夜间睡眠时,有一半时间是反复发作持续期达10～90秒的窒息期。每次发作肺动脉压升高,大多数病人在整夜睡眠期间肺动脉压及大循环动脉压都有进行性增高。有些病人在窒息性睡眠期出现严重窦性心律不齐,Ⅱ度房室传导阻滞,室性心动过速 Some patients can be clinically obese, with continuous asphyxia at night sleep, followed by a strong snoring and wake up. Often they sleep long hours during the day. Half of these patients sleep at night, is repeated as long as 10 to 90 seconds of asphyxia. Each episode of pulmonary hypertension, most patients during the night sleep during the pulmonary artery pressure and circulatory aortic pressure have increased progressively. Some patients in the asphyxia sleep stage serious sinus arrhythmia, Ⅱ degree atrioventricular block, ventricular tachycardia