Supplemental oxygen during endoscopy in patients with ischemic heart disease.
D015716:Electrocardiography, Ambulatory; D016099:Endoscopy, Gastrointestinal; D006801:Humans; D000860:Hypoxia / Q000517:prevention & control; D017202:Myocardial Ischemia / Q000503:physiopathology; D010102:Oxygen Inhalation Therapy