Table 3.

Anesthetic considerations in patients consuming marijuana

Period	Considerations
Preoperative	Elevated risk of myocardial infarction within 1 hour after use Airway hyperreactivity Anxiety/paranoia Psychosis Need to assess for other drugs
Intraoperative	Tolerance to induction agents Elevated bispectral index Unknown cross-tolerance to other anesthetic agents Elevated risk of myocardial infarction within 1 hour after use Airway hyperreactivity
Postoperative	Unknown cross-tolerance to analgesics Possible heightened pain perception Withdrawal