DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Pneumothorax treatment. Coloured chest X-ray showing a lung affected by pneumothorax (air between the lung and the chest wall) being treated by a chest drain. The lung (upper centre, faint blue) has collapsed, and the dark areas are the chest filled with air, which causes shortness of breath and pain on breathing. A thin tube (not clearly seen) is attached to the patient's chest with a safety pin (lower right). The tube leads into the air-filled space, and will drain the air over a period of days, allowing the lung to re- inflate.
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