Cardiac and pulmonary evaluation in elderly patients before elective surgical operations.
D000368:Aged / Q000601:surgery; D017558:Elective Surgical Procedures; D006334:Heart Function Tests; D006801:Humans; D011300:Preoperative Care; D012123:Pulmonary Ventilation; D012129:Respiratory Function Tests
AGED/surgery; HEART/function tests; PREOPERATIVE CARE; RESPIRATION/function tests