Am I having a heart attack?

I don’t have good insurance so please just hear me out. I’m 20 and I’ve been having pain in my back for a short while today. Now my chest has been hurting it sort of comes and goes intensity wise but constant. My left arm hurts and my hand feels sprained when I move it even though I haven’t done anything. My throat feels an ache from the pain in my chest and it goes up to my jaw and ear. I’ve also had chills all day