I know exactly what heart burn and thinking you're having a heart attack feels like. This chest pain started about 3 pm yesterday. I can't take a deep breath without pain. I can't lay down without extreme chest pain. If I get up and sit back down my jaw and face have extreme pain. I also have a headache and my chest has a deep ache with every heartbeat. My upper back has pain and I have'nt lifted anything heavy. I took aspirin but hasn't helped. What do you make of this?