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1 临床资料患者女性,65岁,主诉反复阵发性胸闷1年余入院。诊有2型糖尿病5年,血糖控制尚可;无高血压、吸烟、血脂异常和冠心病家族史。心电图检查示左心室肥厚伴T波改变。同位素心肌显像(静息相)提示下壁心肌缺血。2 4小时超声心动图检查示房性早搏和房性早搏未下传( 2 9次/2 4
1 Clinical data Female patients, aged 65, complained of recurrent paroxysmal chest tightness more than 1 year admitted to hospital. Diagnosis of type 2 diabetes 5 years, blood glucose control is acceptable; no hypertension, smoking, dyslipidemia and family history of coronary heart disease. ECG showed left ventricular hypertrophy with T wave changes. Isotope myocardial imaging (resting phase) suggests inferior myocardial ischemia. 2 4-hour echocardiography showed atrial premature beats and atrial premature beats did not pass (29/2 4