Practice Rhythm Strips 273

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Identify the following rhythms.

1.


2.


3.


4.


5.















Answers

1.   Atrial fibrillation with a PVC
2.   Dual paced
3.   NSR with bigeminal PACs
4.   Multifocal atrial tachycardia
5.   Run of VT

Comments

  1. Wes Todd's blogsApril 25, 2014 at 6:16 AM

    What a wonderful resource - all these ECGs. on Practice Rhythm Strips 289 you have one labeled dual paced, with 2 ventricular spikes. I thought could this be CRT, with the V spikes widely separated? Or is this some other form of pacing? I'm always on the lookout for questions, since I write questions to prepare nurses and techs for the RCES (EP) exam. Wes Todd

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    Replies
    1. MikeApril 28, 2014 at 10:56 AM

      Thank you Wes Todd for your comments. It is dual (AV) paced with biventricular pacing. The 2nd complex has a native P wave but the other complexes show an atrial spike. The PR interval and the morphology of the P wave is similar to the pacemaker induced P waves so I question whether the electronics of the monitoring system did not correctly sense the atrial paced spike, which sometimes happens. Feel free to use any of the strips that I post. They are for learning purposes. I welcome any other feedback that you may have on any of the strips.

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