When a client in the cardiac care unit (CCU) suddenly develops paroxysmal atrial tachycardia (PAT) of 200 beats/min and clinical manifestations of severe dizziness, the nurse would help decrease the heart rate by
A) administering digitalis intravenously.
B) asking the client to perform the Valsalva maneuver.
C) increasing the client's oxygen.
D) lowering the head of the bed.

Question

Quizplus · Accepted Answer

Any maneuver that stimulates the vagus nerve can successfully terminate PAT or increase AV block. Vagotonic maneuvers include carotid sinus massage and the Valsalva maneuver (bearing down as with bowel movements).

When a Client in the Cardiac Care Unit (CCU) Suddenly