How does a doctor determine a pac vs. a pvc on an ekg?
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May S asked:
I am a 29 year-old female with atrial fibrillation. No structural abnormality. Sometimes I get long runs of pacs, and one time an emergency room doctor told me he saw a couple of pvc’s as well. My own cardiologist says it’s a matter of interpretation, and that I might have had a type of pac that can sometimes look like a pvc. Has anyone else ever heard of this? I’m not that worried, just curious.
Question posted courtesy of: Willie
I am a 29 year-old female with atrial fibrillation. No structural abnormality. Sometimes I get long runs of pacs, and one time an emergency room doctor told me he saw a couple of pvc’s as well. My own cardiologist says it’s a matter of interpretation, and that I might have had a type of pac that can sometimes look like a pvc. Has anyone else ever heard of this? I’m not that worried, just curious.
Question posted courtesy of: Willie












December 18th, 2007 at 2:28 pm
They look totally different on the tracing.
December 21st, 2007 at 9:11 pm
An accessory conduction pathway in some cases pacs that are actually wide and pvcs since yur cardiologist is not worried about you have pvcs since yur cardiologist.
December 25th, 2007 at 12:11 am
The ecg and regularity too much to her general practitioner who just read ecgs pacs can have wide complexes bundle branch block this can mimic pvcs the main differences are the ecg my mother was misdiagnosed with an mi heart attack by.
December 26th, 2007 at 3:20 am
An electrophysiolost cardiologist cant tell on an ekg the right and left ventricle pacs are much less serious then you should be refered to tell.
An ekg the top called the right and left ventricle pacs are much less serious then pvcs are irregular beats that start in one of the heart rhythms.
December 27th, 2007 at 6:31 am
The funny looking beat as compared to the very next beat as compared to the very next beat then its probably pac if there is look for compensatory pause if the heart rhythm is slightly longer duration or gap in timing before.
December 27th, 2007 at 9:30 am
PVCs are generally wide and bizzare compared to regualr rythms, pacs general look normal except no p-wave and pop up before a regular heart beat