A new study suggests that survival rates of adults who suffer cardiac arrest are not improved by the lowering of their body temperature prior to hospital arrival. This is according to a study published in JAMA.Cardiac arrest occurs when the heart stops pumping blood around the body. The most common cause of the condition is an irregular heart rhythm known as ventricular fibrillation (VF).Researchers say that pre-hospital cooling for patients who suffer cardiac arrest does not improve their outcomes.

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