Medicine General d8fe73a6 Sine wave pattern on ECG is done when serum potassium exceeds mEq/dl? A > 6 mEq/dl B > 7 mEq/dl C > 8 mEq/dl D > 10 mEq/dl High-Yield Explanation Answer- C. > 8 mEq/dlSine wave pattern- > 8 mEq/dl