The Patient Has Undergone a Cardiac Catheterization

The patient has undergone a cardiac catheterization.It has been 2 hours since the catheter and sheath have been removed.Which of the following would be a concern for the nurse recovering the patient after the procedure? (Select all that apply.)

A) Swelling and hardness at the catheter insertion site
B) Complaints of itching and urticaria
C) Urine output less than 30 mL/hour
D) Low back pain radiating to both sides of the body
E) None of above