- Deconditioned 69 year old male who had problems following CABG resulting in tracheostomy and a VATS procedure. Patient awake and breathing spontaneously on a tracheostomy shield. Reduced air entry L lung and chest drain in situ. Candidates were told patient had had recent thoracic surgery and had had a near arrest after early extubation. They were asked to assess whether the patient was fit for transfer to the ward. Chest X ray and clinical examination showed poor aeration L lung.