Learn what happens during an ESR test, how to interpret your results, and why this simple blood test remains a crucial tool ...

Medically reviewed by David Ozeri, MD The erythrocyte sedimentation rate (ESR) blood test measures how quickly erythrocytes, ...

We do love unusual ways to use a 555. If you need to read ESR, and you have one of those ubiquitous component testers handy, they will give you a reading of ESR, among other things.