Conditions list medically reviewed by George Krucik, MD, MBA
During a heart attack, the blood supply that normally nourishes the heart with oxygen is cut off and the heart muscle begins to die. Learn more.
Coronary artery disease (CAD) is the leading cause of death in the United States. Learn the definition, symptoms, and causes of CAD by reading our overview.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.