CCRN Critical Care Nursing

Answer: C Another adverse effect that could occur when a Constant Positive Airway Pressure (CPAP) is left at higher than 10cm H20 is a Pneumothorax. A Pneumothorax is defined as s a collection of air or gas in the chest or pleural space that causes part or all of a lung to collapse. CPAP is a noninvasive method of ventilation, but must be watched carefully to avoid adverse affects.