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患者男性,20岁。因心悸3天,临床诊断“心肌炎”于1984年9月10日入院。患者6年前曾有心悸和心律不齐史,体检除心律不齐外未见异常。住院期间多次心电图复查均为左房心律伴不同程度的外出阻滞、房性并行心律等。经治疗1月,异位心律尚未消失出院。1984年11月4日再次住院,经治疗心电图恢复为窦性,于同年12月3日出院。出院后连续3次心电图复查均为窦性心律。图1为1984年9月8日心电图。图中P为逆传型。P_1直立,P_(V1)直立或负正双相,P_(Ⅱ、Ⅲ、aVF、V_5、 V_6)倒置,为左房心律。在下行Ⅱ导联梯形图A行中可见P~--P~-间期
Male patient, 20 years old. 3 days due to heart palpitations, clinical diagnosis of “myocarditis” on September 10, 1984 admission. 6 years ago, patients had heart palpitations and arrhythmia history, physical examination except arrhythmia no exception. During hospitalization multiple ECG were left atrial arrhythmias with different degrees of out of block, atrial tachycardia and so on. After treatment in January, ectopic heart rhythm has not disappeared discharge. November 4, 1984 hospitalized again, after treatment of ECG recovery for sinus, in the same year on December 3 was discharged. After discharge from the hospital for 3 consecutive ECG were sinus rhythm. Figure 1 shows the ECG on September 8, 1984. P for the reverse type. P_1 upright, P_ (V1) upright or negative positive biphasic, P_ (Ⅱ, Ⅲ, aVF, V_5, V_6) inversion, left atrial rhythm. In the downlink Ⅱ lead ladder A line can be seen P ~ - P ~ - interval