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患者男性,56岁.因阵发性心悸20余年于1991年12月10日入院.体检:BP120/83mmHg(16/11kPa).心动过速不发作时心率72次/min,发作时200次/min.血钾、钠、氯、镁均正常.胸透及超声心动图正常.未发作时心电图(附图A)示窦性心律,P-R间期0.10s,QRS宽0.14s,P-J间期0.26S,QRS起始部有δ波,V_1QRS呈RS型,其余胸导联主波向上,符合A型预激征.发作时(附图B)示QRS形态正常,R-R间距规整,心率200次/min,aVF可见
Male patient, 56 years old, was admitted to hospital for paroxysmal palpitation more than 20 years on December 10, 1991. Physical examination: BP120 / 83mmHg (16 / 11kPa) Tachycardia 72 beats / min without seizures and 200 beats / min. The serum potassium, sodium, chloride and magnesium were normal. Thoracic and echocardiography were normal. Non-attack electrocardiogram (A) showed sinus rhythm, PR interval 0.10s, QRS width 0.14s, PJ interval 0.26 S, QRS initial part of the δ-wave, V_1QRS was RS-type, the rest of the lead lead wave up, in line with the A-type pre-excitation during the attack (Figure B) showed normal QRS morphology, RR spacing, heart rate 200 beats / min, aVF visible