Department of Cardiac and Vascular Science, St George's Hospital Medical School, Cranmer Terrace, London, UK. bacfisher@yahoo.com
Cannabis is generally considered a drug of low toxicity. Although attention has focused on its neuropsychiatric effects, little has been given to cardiovascular side effects. Here we report a case of atrial tachyarrhythmias following cannabis use, and review the literature on its cardiovascular effects and complications.