A Nurse Is Assessing a Postoperative Client Who Has a Family

A nurse is assessing a postoperative client who has a family history of malignant hyperthermia.Which findings would be of most concern to the nurse?
Select all that apply.

A) Mild spasms of the client's jaw muscles
B) Dark urine 3 hours after surgery
C) Tachycardia in the first hour after surgery
D) Temperature elevation 3 hours after the procedure
E) Respiratory rate increase to 18 breaths per minute 2 hours after the procedure