A patient with a history of end stage renal disease presents to the emergency room after missing their last two hemodialysis treatments. Preliminary lab results indicate a potassium level of 6.0 mEq/L, magnesium level of 2.0 mg/dL, sodium level of 143 mEq/L.

The nurse would monitor the patient closely for which symptom associated with the lab results? Select all that apply: