DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY
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Foley catheter insertion. Medical student inserting a Foley catheter into a patient prior to surgery. This type of catheter is inserted into into the bladder via the urethra, and is used to drain the bladder of urine when a patient is unable to urinate, such as when anaesthetized during surgery. This patient is morbidly obese, which means a level of obesity (excess body fat) that contributes to other conditions and disorders. Special techniques are used by anaesthetists and surgeons when caring for obese patients.
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