Tuesday, November 6, 2012

PAC, PVC, PJC

How can you tell the difference between a PAC, PVC, and a PJC? It's actually quite simple. Let's break these down.
     - A PAC is when you have another full contraction (heartbeat) (P, QRS, T) that starts right after you have already have a full contraction (heartbeat) (P, QRS, T).
     - A PVC, you will have a QRS complex that is greater than 0.12 seconds.
     - A PJC is a QRS complex that is 0.12 seconds or less, but does not have a P wave.



Examples of each:
Click on the picture to view in a larger size.

As you can see, the PAC is a full contraction (heartbeat) that occurs right after a full contraction
 With a PVC, you have a contraction (heartbeat) with a wide QRS complex that is greater than 0.12 seconds.
With a PJC, you have a contraction (heartbeat) with a narrow QRS complex, less than 0.12 sec, but you have no P waves.

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