What We May not Know: Torsades de Pointes Induced by Cannabinoid Use

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