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患者男性,53岁,胸闷、心悸一年,间歇性心前区隐痛三天.体检:T35.5℃,P52次/分,BP150/110,叩诊心界向左扩大.静息心电图示窦性心动过缓伴不齐,提示左室肥大?双倍二级梯运动试验行至2分钟时,患者突感头晕、头胀、心前区痛、出汗、面色苍白,立即停止运动.心电图即刻Ⅱ、Ⅲ、aVF导联ST段抬高(损伤型)0.1-0.5mV,V_5导联ST段下移0.45mV,并呈短暂的逸搏-夺获二联律.终止运动2分钟时经吸氧ST段恢复等电位线,心
Patients with male, 53 years old, chest tightness, palpitations, year, intermittent anterior area pain for three days. Physical examination: T35.5 ℃, P52 beats / min, BP150 / 110, percussion heart to the left to expand. Bradycardia with missing, suggesting that left ventricular hypertrophy? Double two ladder exercise test line to 2 minutes, the patient suddenly felt dizzy, dilatory, precordial pain, sweating, pale, immediately stop the electrocardiogram immediately ST segment elevation (injury type) 0.1-0.5mV in lead Ⅱ, Ⅲ, aVF, ST segment of V_5 lead down 0.45mV, and a brief escape - won the second law .2 minutes after termination of exercise by suction Oxygen ST segment recovery isobaric line, heart