A client with chronic kidney disease, sepsis pneumonia, and…

A client with chronic kidney disease, sepsis pneumonia, and lactic acidosis has a serum potassium of 6.9 mEq/L. They receive hemodialysis every Monday, Wednesday, and Friday but missed their last two sessions due to illness. Their ECG shows peaked T waves, a widened QRS, and an irregular rhythm. Which orders would the nurse anticipate to treat the hyperkalemia and cardiac irritability? Select all that apply.