Cardionet Monitoring Reports

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Veteran Member

Date Joined Nov 2011
Total Posts : 1020
   Posted 10/18/2013 5:46 PM (GMT -6)   
I have Lyme and also a ton of heart palpitations, dizziness, fainting or near fainting, lightheadedness, complete exercise intolerance, etc. I'm 5'10 120lbs., in my 20's with no other known medical conditions but a history of heart disease in my family (father).

I recently did a 30 day event monitor. It was a cardionet W-Event. Many times it self-recorded and other times I had to press the button. On the reports that I received, it listed the following almost all of which were self-recorded:

Sinus tach
Sinus arrhythmia
PSVT: One of which jumped from HR 144 to 45 within a 6 second strip.
Atrial runs (2)
Multifocal PVC's

All of these seem fairly benign to me although the sinus arrhythmia, sinus tach, PVC's and PAC's were very numerous.

I have not seen my cardiologist yet. I noticed that only one of the automatic recordings was on my set of reports even though multiple self-recordings occurred during my 30 days. I called the company. They said that on one particular day (when my HR was 180 and my doctor was called) that their report shows 7 events. Mine shows only 2. So the doctor gets a different set of data then what is sent to patients when they request their reports?

Does Cardionet report heart blocks and A-fib as events or is that left up to the cardiologist to determine from the strips? The reason I was referred to a cardiologist was for A-fib. A lot of the rhythm strips that I have look abnormal even though they say normal. There is definitely a fluttering line (zigzag) between each QRS on most occasions which clearly resembles images of A-FIB/Atrial flutter ECG's but every time it's listed on the report as "normal." Even when I'm symptomatic. It doesn't make sense. I have rhythm strips which clearly look like normal sinus rhythm (smooth with clear waves) and then ones that are going up and down 10-15 times between beats and both are considered normal by Cardionet.

Opinions? I will be seeing the cardiologist soon, but I'd really like to know if he is getting different data or will need to interpret the rhythms to look for abnormalities that Cardionet does NOT report. I find it hard to believe that I could have so many symptoms and yet be practically "normal" based on the reports I received.

Post Edited (Summer3) : 10/18/2013 4:52:14 PM (GMT-6)

Elite Member

Date Joined Apr 2007
Total Posts : 32602
   Posted 10/19/2013 7:07 PM (GMT -6)   
Good Evening,

This would be a question you should ask your Dr. or Cardionet as I do not know what their company policy is, however, your Dr. should. Remember that much of what you may be seeing is artifact. 

The word artifact is similar to artificial in the sense that it is often used to indicate something that is not natural (i.e. man-made).  In electrocardiography, an ECG artifact is used to indicate something that is not "heart-made."  These include (but are not limited to) electrical interference by outside sources, electrical noise from elsewhere in the body, poor contact, and machine malfunction.  Artifacts are extremely common, and knowledge of them is necessary to prevent misinterpretation of a heart's rhythm. 
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