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患者女,39岁。“感冒”后头晕、心悸,胸闷二周。8天前ECG发现房性早搏及短阵房性心动过速,服心得安加奎尼丁(0.2g,tid)至今,上述症状加剧,无晕厥。入院后发现心率约40/min,心律不齐,白细胞、血沉、LDH、CK明显增高,C反应蛋白阳性。临床诊断为病毒性心肌炎。一月后好转出院。图1为入院时ECG。无窦性P波,QRS波两个一组,每组相隔1.22—1.24s。各联的R_(1、3、5、7)皆呈室上型,且延迟出现,前面无P波。其T波终末部可见一逆传型P~-,R-P~-间期
Female patient, 39 years old. “Cold” after dizziness, palpitations, chest tightness two weeks. 8 days ago ECG found atrial premature beats and short atrial tachycardia, service experience plus quinidine (0.2g, tid) so far, the above symptoms worsened, no syncope. Admission found that the heart rate of about 40 / min, arrhythmia, white blood cells, erythrocyte sedimentation rate, LDH, CK was significantly higher, C-reactive protein positive. Clinical diagnosis of viral myocarditis. After January improved discharge. Figure 1 shows the ECG at admission. No sinus P wave, QRS wave two groups, each separated by 1.22-1.24s. Each joint R_ (1,3,5,7) were all supratentorial, and delayed appearance, in front of no P wave. The end of the T wave can be seen a reverse pass type P ~ -, R-P ~ - interval