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女性,23岁,风湿性心脏病史12年。12年来,反复发作心慌、胸闷,每月2～3次不等。发作时经心电图证实为阵发性室上性心动过速(PSVT)。初发时用西地兰或异搏定可使室上速终止,复律后心电图示窦性心律,间歇性A型预激.嗣后渐对西地兰、异搏定、新斯的明或经食管心房调搏进行超速抑制等治疗无效。一年前因上述症状再现,收治入院.查体:血压70/0mmHg,面色苍白,颈静脉无怒张;心率180次/
Female, 23 years old, with a 12-year history of rheumatic heart disease. 12 years, recurrent palpitation, chest tightness, 2 to 3 times a month. Episodes confirmed by episodes of paroxysmal supraventricular tachycardia (PSVT). Initial use of cedilanid or verapamil can make the termination of supraventricular tachycardia, cardiogram after cardioversion sinus rhythm, intermittent A-type pre-excitation later gradually on cedilanid, verapamil, Neostigmine or Trans-esophageal atrial pacing for speeding treatment is invalid. A year ago because of the above symptoms, admitted to hospital Physical examination: blood pressure 70 / 0mmHg, pale, jugular vein without tension; heart rate 180 beats /