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Discussion

QRS question

What is the normal duration for a QRS complex? I've found that some sources say 0.10 secs, others say 0.12 secs, and many state both.

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Hi,

I hope I can help.

The standard varies, but usually the QRS complex normal range is 0.06-0.10, although 0.12 can be normal for some people. This is why you will see both listed as normal.

EKG interpretation is not always easy, as I am sure you are finding out.

I have been on a tele unit for 1 1/2 years, and I am still learning, and frequently ask other nurses or my monitors for help with interpreting rhythms, measuring, etc.

Hope this helps.

Amy

  • Experts
what is the normal duration for a qrs complex? i've found that some sources say 0.10 secs, others say 0.12 secs, and many state both.

taber's cyclopedic medical dictionary says it is 0.06 to 0.08 seconds and 0.08 seconds, or 2 blocks on the graph paper, is what we always considered normal. i worked telemetry for many years.

  • Author
Hi,

I hope I can help.

The standard varies, but usually the QRS complex normal range is 0.06-0.10, although 0.12 can be normal for some people. This is why you will see both listed as normal.

EKG interpretation is not always easy, as I am sure you are finding out.

I have been on a tele unit for 1 1/2 years, and I am still learning, and frequently ask other nurses or my monitors for help with interpreting rhythms, measuring, etc.

Hope this helps.

Amy

It does help, thanks. I'm just wondering what the normal standard is going to be on my test. :)

where I work we learned .04-.12 is normal

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