Caffeine-induced cardiac arrhythmia: an unrecognised danger of healthfood products.

Med J Aust · 2001

case_report · Level V

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Abstract

We describe a 25-year-old woman with pre-existing mitral valve prolapse who developed intractable ventricular fibrillation after consuming a "natural energy" guarana health drink containing a high concentration of caffeine. This case highlights the need for adequate labelling and regulation of such products.