The Nurse Is Caring for a Patient Who Has an Intraortic

The nurse is caring for a patient who has an intraortic balloon pump (IABP)following a massive heart attack.When assessing the patient,the nurse notices blood backing up into the IABP catheter.In which order should the nurse take the following actions? (Put a comma and a space between each answer choice [A,B,C,D].)
A) Ensure that the IABP console has turned off.
B) Assess the patient's vital signs and orientation.
C) Obtain supplies for insertion of a new IABP catheter.
D) Notify the health care provider of the IABP malfunction.