The incidence of atelectasis after heart operations with and without breathing exercises.
D001945:Breathing Exercises; D006348:Cardiac Surgical Procedures; D018376:Cardiovascular Abnormalities / Q000601:surgery*; D005081:Exercise Therapy; D006801:Humans; D015994:Incidence; D001261:Pulmonary Atelectasis / Q000209:etiology*
ATELECTASIS/etiology and pathogenesis; CARDIOVASCULAR DEFECTS, CONGENITAL/surgery; EXERCISE THERAPY