<prompt> Sine wave pattern on ECG is done when serum potassium exceeds ___ mEqdl?6 mEqdl7 mEqdl8 mEqdl10 mEqdl  <response>: Ans. is c i.e.. 8 mEqdl Electrocardiographic manifestations in hyperkalemia progress fromTall peaked T waves5.5-6.5 mEqdlLoss of P waves6.5 - 7.5 mEqdlWidened q RS complex7-8 mEqdlSine wave pattern 8 mEqdl 