Clin Nephrol
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Hypothermia is a dangerous situation. It is defined by a core temperature of less than 35 degrees C. Aggressive rewarming is used if it is lower than 30 degrees C, comprising extracorporeal therapies. ⋯ The ECG showed prolongation of the PQ-, QRS-, and especially the QT-times. All clinical and neurological sequelae had disappeared after four days. HF thus seems to be a safe method of rewarming in very severe hypothermia.