Abstract
Naja species bite is the commonest cause for consultation to Remote Envenomation Consultancy Services in Malaysia. Envenomation by Naja species may result in neuroparalysis and cardiotoxic effects including arrhythmias, hypertension, tachycardia, atrioventricular blocks, ventricular tachycardia, and ventricular fibrillation. We report a case of cardiotoxicity as an early manifestation following an equatorial spitting cobra, Naja sumatrana bite, preceding early paralytic envenomation manifestation. A 14-year-old boy presented to an emergency department with mild local envenomation. ECG showed multiple ventricular premature complexes. Subsequently patient developed ptosis. Complete resolution of ptosis and resumption of normal sinus rhythm occurred following administration of the appropriate antivenom. The patient was discharged well after two days of hospitalization. The patient's ECG findings and neurotoxic manifestation suggested acute systemic envenomation. High index of suspicion for cardiotoxicity with close serial monitoring is recommended to ensure timely administration of antivenom.
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