• Fire
  Education and recognition of the fire triad being present
  Time for alcohol based skin preparations to dry
  Drape field in way that does not allow oxygen to accumulate
  Communication between the anesthesia professional and surgeon when an oxygen-enriched environment is being created (administer supplemental oxygen based on need rather than routine)
• Bomb or bomb threat
• Power loss
• Equipment malfunction
• Loss of oxygen supply pressure
• Cardiac or respiratory arrest in the waiting room, operating room, or PACU
• Earthquake
• Hurricane
• External disturbance such as a riot
• Malignant hyperthermia
• Massive blood loss
• Emergency transfer of the patient to a hospital

PACU = postanesthesia care unit.