Hi, i am a 21 year old female, and almost everyday, i'll have 2, maybe 3 heart palpitations, and i'm started to get worried, because sometimes they last like 2 seconds. other times it can last for like 8-10 seconds and with those i have shortness of breath. i find it difficult to breath when they occur. i don't really do anything that's strenuous. i walk everywhere, and have done for years, so it's not anything new that my body isn't used to. sometimes the palpitations/irregular heartbeat happens when i'm laid in bed, sitting on the couch, when i'm walking.... my dad has heart disease, he had to have a triple bypass before i was born. could it be genetic? am i worrying too much? shall i seek medical advice or just leave it? cause i've heard that if it's 'cardiac arrhythmia' or 'irregular heartbeat' that sometimes they use electrocution to slow the heart. :O can some PLEASE help, or give me an insight into some information. i don't like doctors/hospitals.