exercise

Dear Doctor
I am a 45 year old male and I have been diagnosed with NSVT, but the cause has not been found. I have felt uncomfortable-short of breath- after doing strength training exercises. Is it possible that excessive weight bearing exercises in hot, humid weather, and possibly with a viral infection, has damaged the heart muscles?  I have had echocardiograms done and they show a structurally normal heart. However, since I have noticed a clear connection between doing weights and feeling uncomfortable, is it possible for the echos to have missed  some damage ? I have also noticed arrhythmia after a half hour moderate pace walk, but not after short bursts of  intensive exercise like competetive table tennis. Why is that  so when moderate exercise is considered better than intensive exercise? I would be grateful for any help you can give me.
Thnx
Malan

[Cleveland Clinic]

The cause of NSVT ( I am assuming this means non sustained VT) in many cases cannot be found from non invasive tests and sometimes requires an invasive EP study. If your heart function is normal, then the other thing to consider is whether or not this is caused by ischemia. A stress test here would be helpful. If negative, then one could proceed with an EPs and see where the VT is arising from to see if this can be ablated. This would be performed to alleviate your symptoms of shortness of breath presumably following exercise. If there is a question as to how often you are having NSVT, or questionable correlation with your symptoms, then an event monitor should be ordered to address these questions first.

[oregano_cheff]

i think 1 possible cause of irregular heartbeat after exercise would be from an electrolyte deficiency

[oregano_cheff]

why don't you see if you can get a stress echo done , and at the same time get a holter monitor put on then go work out with the monitor on