What are the warning signs of a heart attack?

Heart attack: Sudden chest pain-often described as discomfort (tightness or pressure like) in upper chest associated with radiation to jaw or arm, with sweating/shortness of breath/lightheadedness. Any or all of these features can indicate a heart attack. This classic presentation, however, is only described in a third of cases. Atypical chest pain/ or no symproms occur in 2/3 patients.

Variable: Symptoms: chest and neck and left arm pain can all occur elephant sitting on your chest shortness of breath fatigue anxiety fear some are asymptomatic signs: cold clammy low pulse rate, or fast irregular sudden death, .