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Short Pr On Ekg


tiger

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The PR interval on ecg means the time it takes for the electrical impulses to travel from the sinus node, down through the AV node, down to the ventricles. a short PR generally is less than .12 msec and can be a normal variant. a short PR in general is indicative of faster acceleration of electrical impulses from SA, to AV node to the ventricles. this can be seen with certain preexcitation arrhythmias/paroxysmal tachycardias. for example with WPW syndrome, baseline ecg usually shows a short PR, along with delta waves and some other findings as well. other causes are hypocalcemia or hypokalemia.

have you had a stress test? usually if there is a short PR seen on ecg and electrolye problems have been ruled out as the culprit, docs do stress testing to check for preexcitation (paroxysmal tachycardia - not sinus tach/pots). also, docs are more apt to do stress testing even more if patient is having periodic sensations of rapid heart rates.

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I have always had a short PR interval on my tests too. No doctor has ever commented on it so I didn't think much of it until recently. I went for a sleep study and they saw it and were concerned. They want me to have a 12 lead Electrocardiogram to see if it is a problem or not. My guess is that the techs on my older tests didn't see any delta waves so they thought it was a normal variant but my sleep test showed delta waves so its possible I could have WPW. I am seeing a cardiologist in November but have a Echocardiogram and electrocardiogram next month.

I've seen the cardiologist on and off for years because I have Mitral valve prolapse and symptoms that I now know are from POTS. I would say that if he didn't catch WPW by now than I probably don't have it HOWEVER he missed the POTS diagnosis all this time and it was so obvious... . Best to just get it checked out. I have no idea about my calcium and potassium levels though...need to check those out too. 8 )

good luck!

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