man thing, from working in healthcare, i can ASSURE you that the hospital (ER) is obligated to treat the community, whether insurance is available or not. They can not turn you down because you have no insurance (its illegal). I would suggest seeing the doc anyways, because if it was sharp chest pain and persistant, you may have had a heart attack. People can have heart attacks and still live or be alive, it all depends on the severity of the block of blood flow and the area affected its not always like TV. the heart attacks can be so severe though to cause your heart to stop. when that happens blood flow is lost to the heart itself, and causes permanent damage. you should be checked out for your chest pain, even if you dont have it (or not as severe) as it was. Take care.