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患者,男,19岁,主因突然心悸气短、头晕乏力持续2d于1990年3月6日入院。近1年内有2次类似病史,均在发作后数小时休息、变换体位、长吸气情况下终止,未予就诊。一般情况好,神清合作。脉搏212/min,血压11.8/9.2kPa,体温38℃。咽部充血,扁桃腺Ⅱ度肿大,颈静脉无怒张。双肺呼吸音清晰,无干湿啰音。心界不大,心音强有力,心率212/min,律齐,未闻及病理性杂音。腹部体征阴性。神经系统未发现病理征。心电图示QRS增宽型心动过速。初步诊断:QRS增宽型心动过速,性质待查(轻度感染造成心律失常多为室早,临床罕见心动过速,故暂不考虑扁桃腺炎情况)。考虑患者发病时间较长,尚无险情,且有“变换体位、深吸气可致症状终止”这一现象,故认
The patient, male, 19 years old, was admitted to hospital on March 6, 1990 due to sudden shortness of heart palpitations and dizziness and weakness for 2 days. In the past year, there are 2 similar medical history, all in a few hours after the onset of rest, change position, long breathing conditions terminate without treatment. Generally good, clear cooperation. Pulse 212 / min, blood pressure 11.8 / 9.2kPa, body temperature 38 ℃. Pharyngeal congestion, tonsil enlargement, jugular vein without anger. Breath sounds clear lungs, dry and wet rales. Heart is not strong, strong heart sounds, heart rate 212 / min, law Qi, no smell and pathological murmur. Abdominal signs negative. Nervous system no pathological signs found. ECG QRS widened tachycardia. Initial diagnosis: QRS widened tachycardia, nature to be checked (mild infection caused by ventricular arrhythmias as early as early clinical rare tachycardia, it is now not considered tonsillitis situation). Considering the patient’s onset time is longer, there is no danger, and “change position, deep breathing can cause symptoms to terminate ” This phenomenon, so that