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1临床资料患者男性,60岁,因心慌、头晕2年余入院。心电图示Ⅱ度Ⅱ型房室阻滞(AVB)。超声心动图示右侧心房、心室大小正常,主动脉瓣钙化,中度狭窄伴中度关闭不全,三尖瓣少量返流。于2000年9月21日植入MedtronicSigma SD203 DDD永久起搏器。取右锁骨下静脉穿刺,分别植入心房4523
1 clinical data Male patients, 60 years old, due to palpitation, dizziness more than 2 years admitted to hospital. ECG Ⅱ degree Ⅱ type atrioventricular block (AVB). Echocardiography right atrium, normal ventricular size, aortic valve calcification, moderate stenosis with moderate incomplete closure, a small amount of tricuspid regurgitation. On September 21, 2000, a Medtronic Sigma SD203 DDD permanent pacemaker was implanted. Take the right subclavian vein puncture, were implanted atrium 4523