慢性房性心动过速合并预激综合征王友武图１说明见文内患者男性，２７岁。因胸闷、心悸来院就诊。有预激综合征及心肌炎病史。Ｘ线心脏三位片及超声心动图检查未见异常。心电图（图１为Ｖ１连续记录）示：每一窦性心搏后均见Ｐ′波浅倒，频率１１５～１２５次／ｍｉｎ，连... Chronic atrial tachycardia with Wolff-Parkinson’s syndrome Wang You-wu Figure 1 illustrates the text within the patient male, 27 years old. Due to chest tightness, palpitations to the hospital. Pre-excitation syndrome and history of myocarditis. X-ray three-chip and echocardiography showed no abnormalities. ECG (Figure 1 for the V1 continuous record) shows: after each sinus heart see P ’wave shallow down, the frequency of 115 ~ 125 beats / min, with ...