患者 ,男性 ,72岁。因反复胸闷、心悸、气短 10年就诊 ,既往有阵发性室上性心动过速病史 ,但每次予静推异搏定均可终止发作。查体 :体温 36 8℃ ,脉搏 78/ｍｉｎ ,呼吸2 0 /ｍｉｎ ,血压 18/11ｋＰａ。全身皮肤粘膜无出血点、皮疹。双肺呼吸音粗 ,未闻及 口罗音。心律齐 ,未闻 Patient, male, 72 years old. Due to repeated chest tightness, palpitations, shortness of breath for 10 years, there has been a history of paroxysmal supraventricular tachycardia, but each time the static push push verapamil can terminate the attack. Physical examination: body temperature 36 8°C, pulse 78/min, breathing 2 0/min, blood pressure 18/11kPa. There was no bleeding or rash in the skin and mucous membranes. Breathing sounds in both lungs were unheard of. Heart rhythm, unheard of