These heart attack symptoms warrant an immediate trip to the emergency room:
Chest discomfort that feels like pressure, fullness, or a squeezing pain in the center or left side of your chest. It lasts for more than a few minutes, or goes away and comes back.
Pain and discomfort that extends beyond your chest to other parts of your upper body, such as one or both arms, back, neck, stomach, and jaw
Unexplained shortness of breath, with or without chest discomfort
Any of the symptoms listed above that are accompanied by a cold sweat, nausea, lightheadedness, anxiety, or indigestion