Hypotension.
D000402:Airway Obstruction / Q000209:etiology*; D000766:Anesthesia, Dental / Q000009:adverse effects; D000768:Anesthesia, General / Q000009:adverse effects*; D006801:Humans; D007022:Hypotension / Q000209:etiology*; D000860:Hypoxia / Q000209:etiology; D011187:Posture