Why should the balloon of the PAC be left inflated when inserted in the right atrium?
I.To decrease the risks of cardiac arrythmias
II.To allow blood flow to catch the balloon and carry the catheter forward
III.To decrease blood flow in the right atrium and facilitate introduction of the catheter
IV.To wedge the catheter

Question

Quizplus · Accepted Answer

In the right atrium the balloon is inflated for two reasons: 
(1) to decrease the risk of cardiac arrhythmias induced by the catheter tip's hitting the ventricular walls, and 
(2) to allow blood flow to catch the balloon and carry the catheter forward.

Why Should the Balloon of the PAC Be Left Inflated