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 known as the sedimentation rate or sed ...
Rheumatoid arthritis (RA) is an autoimmune disease that causes joint inflammation, pain, and potential damage. To diagnose and manage RA, healthcare providers use a combination of clinical evaluation, ...