DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY
Ventilating a tracheostomy patient. Respiratory therapist using a ventilator bag to ventilate a patient after placement of a percutaneous tracheostomy. A tracheostomy is an operation that allows a patient to breathe through a tube without having to use their nose or mouth. Percutaneous dilational tracheostomy (PDT, or bedside tracheostomy) is a minimally invasive form of the operation, and can be done at the patient's bedside without the need for a full operation. The ventilation tube is attached to a tracheostomy tube inserted into the patient's trachea. Photographed in a hospital intensive care unit (ICU).
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