When heart attack
symptoms strike, any delay in seeking treatment can result in heart muscle damage and/or death. Remember, not all heart attacks cause chest pain; sometimes symptoms can be subtler, such as upper body discomfort or sudden nausea or fatigue.
Great info for everyone:
http://www.scai.org/SecondsCount/Resources/Detail.aspx?cid=6cdaa128-5d23-4125-bcf7-9ad03af2c024