A BUN test measures the level of urea nitrogen in the blood using a standard blood sample. Abnormal BUN levels may indicate problems with liver or kidney functioning. BUN stands for blood urea ...

Your doctor may order a creatinine test to assess the health of your kidneys. A high creatinine level could be a sign of an issue such as chronic kidney disease (CKD). Creatinine is a waste product ...

In response to my recent column on creatine, a reader inquired about the difference between creatine versus creatinine. Are they related, and if so, how? Good question, and a topic that often surfaces ...

Dear Dr. Roach: I am a female, nearly 55 years old. In August 2011, I was fortunate to receive a heart transplant (I had an enlarged, weakened heart that was thought to have started with a virus).