Can marijuana cause cardiac arrest?

Yes, it can. Please read the accompanying article which is full of interesting information on marijuana: cardiac arrest following cannabis use: a case report www.Ncbi.Nlm.Nih.Gov/pmc/articles/pmc2783157 more reports and statistics are found in the following article: could marijuana cause cardiac arrest? - ehealthme www.Ehealthme.Com/ds/marijuana/cardiac+arrest pleasant reading and spread the word.
Marijuana - Heart. Marijuana doesn't directly cause cardiac arrest. What may happen is smoking marijuana may lead to excessive sleepiness ; slow down the breathing. That may lead to low oxygen ; end up with cardiac arrest. In addition, people that smoke marijuana tend to mix it with alcohol or other drugs; which makes scenario above even more possible. Last, not all marijuana is pure/clean (may be laced with drugs).