A member asked:

What are doctors checking for when they test esr levels?

8 doctors weighed in across 2 answers

Not specific: The ESR / sed rate is famously nonspecific. It tends to be very high in some of the systemic inflammatory diseases, but the information it gives is extremely limited. It's one tiny bit of any puzzle. If a person's well except for osteoarthritis, for example, it's likely to be low. If it's polymyalgia rheumatica, it's likely to be quite high. The test is also prone to technical errors.

Answered 11/28/2014

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In addition to: Dr Friedlanders' explanation ESR though non specific, is very sensitive for severe infection and inflammation and its absence has been sighted as negative evidence for Infectious endocarditis and Osteomyelitiis.

Answered 11/28/2014

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