Which one of the follwing is the ECG hallmark of hypothermia-: (A) Prominent U wave, (B) Inveed T wave, (C) Bizarre QRS wave, (D) Osborne J wave
Answer is D. ECG Changes in Hypothermia Hypothermia may produce the following ECG abnormalities: Bradyarrhythmias (see below) Osborne Waves (= J waves) Prolonged PR, QRS and QT intervals Shivering aefact Ventricular ectopic Cardiac arrest due to VT, VF or asystole Ref Harrison 20th edition pg 1445