DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Intravenous drip in an operating theatre. A drip is used to administer fluids to a patient's blood stream. Seen here is the drip chamber, which controls the flow rate and prevents air bubbles from passing into the bloodstream. The fluid may be saline, which is used to replace body fluids in dehydrated patients, or a liquid form of a drug.
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