<prompt> Arrange the following ECG changes of hyperkalemia with increasing potassium levels:- a. Prolonged PR interval b. Peaked T waves c. Sine wave pattern d. Absent P wavesb - a - d - cc - a - d - bb - c - d - ad - a - b - c  <response>: -- -- ECG changes appear progressively with rising potassium levels HYPERKALEMIA: Serum potassium levels 5.5 mEq L Potassium levels ECG changes Line of treatment 5.5 - 6.5 mEq L mild Tall,peaked T-waves Stop K intake offending drugs 6.5 - 8 mEq L Moderate Prolonged PR interval, Flat P waves, Wide QRS complex Inj. Sodium Bicarbonate Insulin-glucose infusion 8mEq L Severe Absent P waves, Bundle branch block SINE WAVES Inj. Ca gluconate Rx of moderate Hyperkalemia Long term K binding resin Refractory hyperkalemia Dialysis. 