The RR and its derivative indices are easily accessible vital signs monitored at the ED which merit 'revitalization'.

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IntroductionA case of cardiac toxicity due to prolonged hypothermia is reported.Case presentationA 42-year-old woman of Caucasian origin presented with hypothermia after an accident. She developed atrial fibrillation and heart failure with minor electrocardiographic changes, which mimicked ischaemia. She recovered completely after one month of treatment for heart failure.ConclusionProlonged hypothermia, which mimicks ischaemia, may cause arrhythmias and heart failure.

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