ArticleJournal of community hospital internal medicine perspectives2025
What We May not Know: Torsades de Pointes Induced by Cannabinoid Use.
Article in Journal of community hospital internal medicine perspectives, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The use of THC (Tetrahydrocannabinol) and related products have been increasing. It is estimated that 3.9 % of the world's population between 15 and 64 years have used THC. We report the case of a 66-year old female who presented with syncope and was later found to have polymorphic ventricular tachycardia on inpatient telemetry. The patient had significantly prolonged QTc on her EKG despite adequate electrolyte correction. An extensive cardiac workup including catheterization was nonrevealing. The patient was advised to abstain from cannabinoid use and was started on nadolol 10 mg daily with return of her QTc to normal. This case corresponds to the rising evidence linking cannabinoid use to arrhythmias with some proposed mechanisms mimicking drug induced long QT syndromes. In conclusion, there is rising evidence linking cannabinoid product use to arrhythmogenic properties. The lack of proven long-term safety of cannabinoid products underscores the need for caution while using them.
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