How does it feel when you are having a heart attack? i was wondering this because my uncle passed away from a heart attack and i was just kind of wondering what it felt like. Some say that the pain is unbearable, some say it feels like someone is gripping your chest. And one last thing- how is your pulse when you are having a heart attack? And just one more thing- what age can you have a heart attack? Please give me some info on this. angel, i m sorry about your dad, but since you didn t read the whole thing, my uncle DID pass away from a heart attack. I m 12 years old and i m sorry, but try to read more carefully