Apatient in the recovery room after cardiac surgery begins to have extremity paresthesia, peaked t waves, and mental confusion. what type of electrolyte imbalance does the nurse suspect this patient is having?

A patient in the recovery room after cardiac surgery begins to have extremity paresthesia, peaked T waves, and mental confusion.
 What type of electrolyte imbalance does the nurse suspect this patient is having? 
-Potassium

The penis goes in the vagina kid, the 31 year old girlfriend must be your mom asking you are you ready to go to bed.