| Cardiac Asystole Following a Single Dose of Succinylcholine: A case report. |
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Hyun Kyo Lim, Kwang Ho Lee, Hee Uk Kwon, Hyun Kyung Lim |
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| Abstract |
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A 28-yr-old woman, weighing 61 kg with bleeding myoma of uterus was scheduled for total abdominal hysterectomy. There was no history of cardiac arrhythmia or syncope. She was not premedicated. The heart rate was 115 beats/min and arterial pressure was 155/95 mmHg, immediately before the induction of anesthesia. Under the preoxygenation, anesthesia was induced with IV injection of thiopental sodium 250 mg followed by succinylcholine 75 mg. About 20 seconds after the succinylcholine bolus, the ECG showed an abrupt change from sinus rhythm to asystole without any stimulus including laryngoscopy. After a precordial thump and atropine 0.5 mg IV, tracheal intubation and ventilation with 100% O2 were quickly accomplished. Normal sinus rhythm with heart rate of 87 beats/min returned during laryngoscopy and intubation.
The interval from the sinus arrest to the reestablishment of normal sinus rhythm was only 15 seconds. Surgery proceeded uneventfully and the patient recovered without any complication. |
| Key Words:
Heart, asystole; Neuromuscular relaxants, succinylcholine |
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