Angina is chest pain or discomfort that occurs if an area of your heart muscle doesn’t get enough oxygen-rich blood. Angina may feel like pressure or a squeeze in your chest. The pain can also occur in your shoulders, arms, neck, jaw, or back. Angina pain may even feel like indigestion. Angina is usually a symptom of coronary heart disease (CHD).
Click here for more information. http://www.nhlbi.nih.gov/health/health-topics/topics/angina/