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患者男,24岁。感冒后10余天起自觉心前区不适、心悸、疲乏、劳累后尤甚而就诊入院。体检:除心尖区闻及2—3级收缩期杂音和频发早搏外,余皆无殊。临床诊断急性病毒性心肌炎。心电图(附图)Ⅲ导联示窦性心律,心率约78次/min,P-R 0.22s,为Ⅰ度房室传导阻滞,倒R_4为室早,其后窦性心搏P-R缩短至0.18s。V_1导联为室早三联律,室早后第1个窦性心搏P-R缩短至0.14—0.18s,此后P-R仍为0.22s,周而复始,似房室传导的文氏周期。心电图诊断:窦性心律合并室早三联律,Ⅰ度房室传导阻滞,伪Ⅱ度一型房室传导阻滞。
Patient male, 24 years old. More than 10 days after the onset of cold from the precordial discomfort, heart palpitations, fatigue, fatigue and even hospitalized. Physical examination: In addition to apex area smell and 2-3 systolic murmur and frequent premature beats, I have no special. Clinical diagnosis of acute viral myocarditis. Electrocardiogram (with photos) Ⅲ leads showed sinus rhythm, heart rate about 78 beats / min, P-R 0.22s, Ⅰ degree atrioventricular block, reverse R_4 for early ventricular contraction and subsequent sinus rhythm P-R shortened to 0.18s. The V_1 lead was ventricular tricyclic, and the first sinus beats of P-R shortened to 0.14-0.18s and P-R remained 0.22s afterwards. ECG diagnosis: sinus rhythm with triple room early trigeminal, Ⅰ degree atrioventricular block, pseudo-degree Ⅱ atrioventricular block.