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临床资料:病员马××,女,34岁,因劳力性心悸气促半年、间歇性昏厥2月入院。血压90/60,肺阴性。心浊音界向左下扩大,有心律不齐,心尖区有收缩期Ⅲ级吹风样杂音,P_2>A_2。腹部及四肢阴性。X 线照片显示左心室增大。超声心动图显示左心室内径增大、室间隔及左室后壁运动幅度明显减低。血、尿常规化验阴性。临床诊断为扩张型心肌病。心电图特征:显示的三排为连续描记的Ⅱ导联。P 波顺序发生,呈圆顶形,P—P间歇0.62到0.72秒,心房率96次/分。第三排倒数第2个P 波是期前发生的,形态(十、一双相)
Clinical data: Patient × ×, female, 34 years old, due to fatigue heart palpitations six months, intermittent fainting in February admission. Blood pressure 90/60, lung negative. Diabolic heart bound to the lower left to expand, arrhythmia, apical systolic grade Ⅲ hair-like murmur, P_2> A_2. Abdominal and limbs negative. X-ray showed left ventricular enlargement. Echocardiography showed increased left ventricular diameter, ventricular septum and left ventricular posterior wall motion amplitude was significantly reduced. Blood, urine routine test negative. Clinical diagnosis of dilated cardiomyopathy. Electrocardiogram Features: The three rows shown are for the II lead of the continuous tracing. P wave occurred in order, was dome-shaped, P-P intermittent 0.62 to 0.72 seconds, atrial rate 96 beats / min. The third row of the penultimate P wave occurred before the period, the form (ten, a double phase)