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患者,男性,42岁,常有心悸、胸闷和头昏等症状,有晕厥史。临床诊断:心肌病。心电图上中下三行为同步描记,纸速25mm/s,基础心律为窦性,P-P基本匀齐,每分钟80次,大多数P波未能下传心室,呈2:1～4:1房室传导。QRS波群形态多变,依次呈RBBB、IRBBB、正常、ILBBB、LBBB的图形。
Patients, men, 42 years old, often palpitations, chest tightness and dizziness and other symptoms, a history of syncope. Clinical diagnosis: cardiomyopathy. The electrocardiogram on the middle and lower three lines of synchronous tracing, paper speed 25mm / s, the basic rhythm of sinus, PP basic uniform, 80 beats per minute, most of the P wave failed to download the ventricle was 2: 1 ~ 4: 1 room Room conduction. QRS wave group morphological changes, followed by RBBB, IRBBB, normal, ILBBB, LBBB graphics.