Failing a stress test occurs when you can’t complete it due to exhaustion or other factors. Abnormal results may indicate an underlying condition, such as coronary artery disease or a blockage. A ...

Calcium scans can detect calcium deposits in coronary arteries to assess heart disease risk. The scan is most useful for people at medium risk for heart disease. A calcium score over 400 means a high ...

The right coronary artery supplies blood to a part of the heart. To do this effectively, it branches off into smaller arteries, such as the conus artery and the sinoatrial nodal branch. Each branch ...