feels like blood rushing in heart (left side) during exercising in gym

[pangau_123]

hello, my husband is 30yrs old, today he came home early from gym as he experienced when he was lifting his dumbles and exercising a feeling of blood rushing through his left side he specified place in heart or beside heart, it started paining him too so he left them down relaxed a while and came back home. actually he is having family history in heart disease his father, uncles so v r very much afraid of this. we already have examined all the heart related test just 3months before everything was good. now due to this today's incident we are again going for the test. this thing he experienced few years back may b 4 or 5, but he ignored as he thought this may b because he was exercising after many days. this time also he is going to gym from a week back and today was his arms exercise, he told me that he first did cycling then when he lifted dumbbles after one set he felt so. please guide us in this as we r afraid now..