What is the role of erythrocyte sedimentation rate (ESR) in the workup of fever of unknown origin (FUO)?

Updated: May 17, 2021
  • Author: Sandra G Gompf, MD, FACP, FIDSA; Chief Editor: Michael Stuart Bronze, MD  more...
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An ESR of more than 100 seconds in the absence of anemia may indicate giant cell arteritis, multiple myeloma, or osteomyelitis.

A very low ESR with myalgias suggests trichinosis.

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