Waiting for cardiac surgery.
D000223:Adaptation, Psychological; D001290:Attitude; D006348:Cardiac Surgical Procedures / Q000451:nursing; D005239:Fear; D006331:Heart Diseases / Q000209:etiology; D006760:Hospitalization; D006801:Humans; D008297:Male; D008875:Middle Aged; D011300:Preoperative Care