n South African Medical Journal - Clinical images : the progression of a J wave during induction of hypothermia : forum




J waves can commonly be seen in patients with severe hypothermia. Fig. 1 shows an ECG recording of a patient undergoing coronary artery revascularisation with the use of cardiopulmonary bypass. The purple recording shows the ECG with a small, existing J wave early during the initiation of cooling. The green overlay demonstrates the accentuation of the J wave as the patient was further cooled to 29°C.


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