<prompt> The following ECG finding is seen in all except?HypothermiaHypercalcemiaHypocalcemiaSAH  <response>: ECG shows Osborn waves J point wave Osborn wave is a deflection with a dome or hump configuration occurring at the R-ST junction J point on the ECG. Causes of Osborn waves: Hypothermia Hypercalcemia Subarachnoid Haemorrhage SAH Brain injury Cardiopulmonary arrest Idiopathic ventricular fibrillation Hypocalcemia: Prolongation of the QTc interval because of lengthening of the ST segment, which is directly propoional to the degree of hypocalcemia. 