Indications for blood transfusion.
D000747:Anemia, Hypochromic; D000755:Anemia, Sickle Cell; D000758:Anesthesia; D001778:Blood Coagulation Disorders / Q000628:therapy; D001795:Blood Pressure Determination; D001803:Blood Transfusion; D001810:Blood Volume; D002302:Cardiac Output; D002496:Central Venous Pressure; D002908:Chronic Disease; D006452:Hemoglobinometry; D006470:Hemorrhage / Q000628:therapy; D006801:Humans; D010101:Oxygen Consumption; D010313:Partial Pressure; D013514:Surgical Procedures, Operative