Bedside study of the surgical patient.
D001158:Arteries; D001784:Blood Gas Analysis; D001794:Blood Pressure; D002302:Cardiac Output; D002320:Cardiovascular Physiological Phenomena; D006325:Heart Atria; D006452:Hemoglobinometry; D006801:Humans; D000860:Hypoxia; D008168:Lung / Q000502:physiology; D010101:Oxygen Consumption; D010347:Patient Care Planning; D011182:Postoperative Care; D012039:Regional Blood Flow