Marijuana is the most commonly used psychoactive drug in the USA. A 35-year-old man with a medical history of marijuana abuse is admitted to the hospital due to crushing substernal chest pain. ECG shows evolving ST-segment elevation with a rise in cardiac enzymes, consistent with ST-elevation myocardial infarction. A urine toxicology screen is positive for cannabis and negative for cocaine and other stimulant drugs. An emergent cardiac catheterisation reveals no evidence of coronary artery disease or thrombosis. A diagnosis of coronary vasospasm is strongly considered, and the patient is started on calcium channel blocker, with a resolution of symptoms and ECG changes. Marijuana-induced coronary spasm causing myocardial infarction has rarely been reported. Marijuana is becoming a social norm in adolescents and there remains a misconception that it is harmless and even beneficial. Increasing drug abuse remains a public health concern, necessitating population education by physicians for safer healthcare practices.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6301441PMC
http://dx.doi.org/10.1136/bcr-2018-226894DOI Listing

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