question: im having a really bad pain in my heart right now but its freaking me out how fast it started beating for no reason and i feel like i cant get a good deep breath and feel like i need to really bad..my heart is pounding and it hurts...is this a heart attack? is there something i should do im trying to take shallow breathes since the deep ones i have the erge to take r making it much much worse, im trying ot relax myself shutting my eyes n trying to mentally slow my heart rate..whats going on?  this has been happening often lately and for about a year now on and off.