Sinus Exit Block

Question 1

What causes a Sinus Exit Block?

Answer 1

Electrical impulse is initiated by the SA node, but is blocked as it exits the Sinus node, preventing conduction

Question 2

What is a Sinus Exit Block?

Answer 2

Disorder of conduction

Question 3

How will a Sinus Exit Block be shown on a EKG?

Answer 3

1. Sudden pause in a sinus rhythm
2. One or more beats missing
3. Will return back to normal rate

Question 4

Is the node healthy in a Sinus exit block?

Answer 4

May or may not be healthy
*the impulse is unable to leave the node