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Table 1 Marijuana cardiovascular effects.

From: Ventricular fibrillation triggered by marijuana use in a patient with ischemic cardiomyopathy: a case report

System affected

Clinical implications

Comments

Autonomic Nervous System: Increase norepinephrine release

Sinus tachycardia Hypertension

Healthy volunteers

Increased sinus automaticity

Sinus tachycardia

Healthy volunteers

Facilitated conduction velocity

Supraventricular and/or ventricular tachycardia, PVC

Healthy volunteers/structural heart disease

Vascular periphery: dysfunctional baroreceptor activity

Vasovagal syncope/hypotension

 

Coronary arteries

Coronary artery disease (AMI)

Controversial

Central Nervous system

Stroke

Controversial

  1. PVC: premature ventricular contraction; AMI: acute myocardial infarction