The nurse is caring for a male client who has a diagnosis of heart failure. Today's laboratory results show a serum potassium of 3.2 mEq/L (3,2 mmol/L). For what complications should the nurse be aware, related to the potassium level?
A) Tetany
B) Fluid volume excess
C) Pulmonary embolus
D) Cardiac dysrhythmias
