Since your PFT's were abnormal, your symptoms sound classic for asthma, and your symptoms were worsened with exercise, my strongest suspicion is that you have asthma. Asthma can be treated with inhaled medications that dilate the airways and reduce the inflammation in the lining of the airways. Thus, I would consult with your internist or a pulmonologist for further treatment and testing. If further testing reveals no asthma, then your symptoms could be attributed to the MVP but as I previously mentioned, there wouldn't be much treatment in that case because shortness of breath in MVP does not appear to be caused by abnormal lungs. I hope you find this information helpful.
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