Angina is a sign of an underlying heart condition; most likely coronary heart disease.
Many different risk factors contribute to the development of angina. In this video, Dr. Holly Atkinson explains some of those risk factors and what to look out for if you think you may have angina.
Angina. MedLine Plus, 2011. (Accessed October 3, 2011 at http://www.nlm.nih.gov/medlineplus/angina.html.)
Angina. National Heart Lung and Blood Institute of the NIH, 2011. (Accessed September 30, 2011 at http://www.nhlbi.nih.gov/health/health-topics/topics/angina/livingwith.html.)
Coronary Heart Disease. PubMed Health, 2011. (Accessed October 3, 2011 at http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0004449/.)
Ranolazine. PubMed Health, 2009. (Accessed October 3, 2011 at http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0000342/.)