Severe acute propafenone poisoning – diagnosis and therapeutic approaches

Revista Romana de PEDIATRIE | Volumul LXII, Nr. 3, An 2013

ISSN 1454-0398 | e-ISSN 2069-6175
ISSN-L 1454-0398
DOI: 10.37897/RJP

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Cristina Iolanda Vivisenco and Coriolan Emil Ulmeanu

ABSTRACT

Propafenone is an antiarrhythmic drug which blocks myocardial sodium channels as the main mechanism of action. Ingestion of a toxic dose of propafenone induces through the membrane stabilizing effect a clinical presentation with cardiovascular, neurological and metabolic expression, sometimes life-threatening. The authors present the case of a 13 year old female patient admitted for cardiac conduction abnormalities, seizures and coma after intentional ingestion of a toxic dose of propafenone. The patient was successfully treated with intravenous sodium bicarbonate therapy and supportive measures. The authors mention also the latest information from the literature regarding the management of propafenone poisoning.

Key words: propafenone, poisoning, child, membrane stabilizing effect

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