The Cardiovascular Center of Excellence contains a wealth of information on how the cardiovascular system works, the diseases that cause it harm, ways doctors can repair it, and most importantly, steps you can take to keep it working well for a lifetime.
You’re lying in your bed, asleep, when suddenly you wake up with a heavy pressure in your chest, that spreads to your throat, left arm, and jaw. You’re nauseated and sweating. Is this a heart attack? Assume that it is and call for emergency medical services right away. After you are evaluated, you may find you have something called variant angina.