I was at an event on thursday evening with visitors from the uk?

Dr. needs to check: Shortness of breath is not normal, unless it is the mild, temporary shortness of breath with sports activities (but even then, one must be sure he is not having more shortness of breath than his sports peers have). Possible reasons for shortness of breath include heart attack, heart arrhythmia, heart failure, fluid around the heart, fluid around or in the lungs, asthma, chestwall tightness, etc...