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例1、男,27岁,拖拉机驾驶员。因发作性心悸胸闷伴头晕15min 入院。既往体健。检查:BP15/10kPa,心率168次,律齐,无病理性杂音。作Valsalva动作、刺激悬雍垂等均无效。给予利多卡因50mg 加10%GS20ml 静注(30s 内注完),24s(注入量约40mg)后,心率88次,律不齐,作EKG 示心率82次,频发交界性早搏。予以10%GS250ml 加利多卡因200mg,以20gtt/min 静滴维持,1.5h 后早搏消失,
Example 1, male, 27 years old, tractor driver. Due to episodes of chest tightness and dizziness with 15min hospitalization. Past physical health. Check: BP15 / 10kPa, heart rate 168 times, law Qi, no pathological murmurs. Valsalva action for stimulation of uvula and so on are invalid. Given lidocaine 50mg plus 10% GS20ml intravenous injection (30s note), 24s (injection of about 40mg), the heart rate 88 times, irregular arrhythmia, for EKG showed heart rate 82 times, frequent borderline premature beats. To 10% GS250ml lidocaine 200mg, intravenous infusion of 20gtt / min, 1.5h after the premature beats disappear,