Rheumatoid arthritis can be detected by a laboratory test called erythrocyte sedimentation rate, abbreviated ESR, i.e., the rate at which erythrocytes settle at the bottom of a test tube.
Rheumatoid arthritis is a disease of the immune system produced by the own body cells, i.e., it is an autoimmune condition.
An erythrocyte sedimentation rate is indicative of inflammation, which is denoting rheumatoid arthritis (inflammation of joints).
In conclusion, rheumatoid arthritis can be detected by a laboratory test called erythrocyte sedimentation rate, abbreviated ESR, which is the rate at which erythrocytes settle at the bottom of a test tube.
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