Some early warning signs;
Chest pain or discomfort in the center of the chest; a “squeezing,” “heaviness” or “crushing” feeling that lasts for more than a few minutes or goes away and comes back
Pain or discomfort in other areas of the upper body including the arms, back, neck, jaw, or stomach
Difficulty breathing, shortness of breath
Sweating or “cold sweat”
Fullness, indigestion, or choking feeling (may feel like “heartburn”)
Nausea or vomiting
Light-headedness
Extreme weakness or anxiety
Rapid or irregular heart beats