While suctioning a patient, you observe an abrupt change in the electrocardiogram waveform be-ing displayed on the cardiac monitor. Which of the following actions would be most appropriate?

a. Change to a smaller catheter and repeat the procedure.
b. Stop suctioning and immediately admin-ister oxygen.
c. Stop suctioning and report your findings to the nurse.
d. Decrease the amount of negative pressure being used.

ANS: B
If any major change is seen in the heart rate or rhythm, immediately stop suctioning and admin-ister oxygen to the patient, providing manual ventilation as needed.