Coexisting medical problems: assessment and management for surgery.
D000368:Aged; D002128:Calcium Metabolism Disorders / Q000150:complications* / Q000628:therapy; D002318:Cardiovascular Diseases / Q000150:complications* / Q000628:therapy; D002561:Cerebrovascular Disorders / Q000601:surgery*; D004700:Endocrine System Diseases / Q000150:complications* / Q000628:therapy; D006402:Hematologic Diseases / Q000150:complications* / Q000628:therapy; D006801:Humans; D008171:Lung Diseases / Q000150:complications* / Q000628:therapy; D011300:Preoperative Care