Hypothermic heart surgery. Anaesthesiologist drugs a patient during a heart operation, at which time the patient's body is being cooled with ice. Known as hypothermic surgery, the temperature of the patient's body is been deliberately reduced with ice packs. Cold reduces the rate of metabolism in cells and tissues, and allows the body to with- stand a lack of oxygen. Induced hypothermia allows surgeons to perform quick operations (8-10 minutes) on the heart while blood circulation in the body is completely stopped. There is thus no need for a heart-lung machine. Photographed at the Institute of Blood Circulation Pathology at Novosibirsk, Russian Federation.
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