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.

Aggregated self-test responses are stored to improve the tests and provide performance comparisons. Psychology Today uses third party cookies such as Google Analytics to collect visitor data on ...

Why Do I Need the Test? The RBC count is commonly performed during a routine checkup to see if there are any abnormalities worth noting, even if you feel perfectly fine. It is also used if you have ...