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男,31岁,主诉阵发性心慌15年,加重2个月。患者于15年前无明显诱因地出现阵发性心慌,自测脉率达150～160次,持续时间约5～20分钟,心电图示:室上性心动过速(SVT),当变换体位或深呼吸后,可自行缓解,平索有时脉律不齐,心电图示:房性早搏,且患者有风湿性心脏病,二尖瓣狭窄病史。心赃彩超示:左心房扩大(67毫米),当时考虑患者的心律失常,与风湿性心脏病左心房增大有关,但患者于入院前2个月已行二尖瓣置换术,术后心脏
Male, 31 years old, complained of paroxysmal palpitation 15 years, increased 2 months. Patients 15 years ago, no obvious incentive to paroxysmal palpitation, self-measured pulse rate of 150 to 160 times, duration of about 5 to 20 minutes, ECG: supraventricular tachycardia (SVT), when the change position or Take a deep breath, you can relieve themselves, flat-line timing irregularities, ECG shows: atrial premature beats, and patients with rheumatic heart disease, history of mitral stenosis. Superconvulsions show: enlarged left atrium (67 mm), was considered in patients with arrhythmia, and left atrial enlargement associated with rheumatic heart disease, but patients with mitral valve replacement 2 months prior to admission, postoperative heart