<prompt> Intermittent Positive Pressure Ventilation IPPV can cause:BarotraumaPleural effusionPulmonary edemaNone of the above  <response>: Cardiovascular impairment and direct effect of pressure on lung tissue are some of the complications of positive intrathoracic pressure. Barotrauma manifests as subcutaneous emphysema, pneumothorax, or pneumomediastinum. Ref: Clinical Intensive Care and Acute Medicine, Ken Hillman, Gillian Bishop, Pages 377-378 ; Harrisons Principle of Internal Medicine, 16th Edition, Page1599 