Medically reviewed by David Ozeri, MD The erythrocyte sedimentation rate (ESR) blood test measures how quickly erythrocytes, a type of red blood cell, settle at the bottom of a test tube. It is also ...

Platelet-rich plasma (PRP) is a type of injection therapy that uses growth factors found in blood platelets. These cells play a key role in blood clotting, wound healing, injury recovery ...

Preparation of blood tubes for testing. Blood tubes are being entered into the biochemistry analyzer. Preparations are being made to read the barcodes and place them in the device. Royalty-free ...