What is the normal ESR range for a female under 50?

What is the normal ESR range for a female under 50?

• A. 0-20 mm/hr
• B. 0-30 mm/hr
• C. 0-40 mm/hr
• D. 0-10 mm/hr

Answer: (A)

ESR measures how fast red blood cells settle in a tube, which rises with inflammation or other conditions. For a healthy female under 50, the upper limit of normal is about 20 mm/hr, so a range of 0-20 mm/hr fits standard reference values. Values higher than 20 could indicate inflammation, infection, or other issues and would prompt further evaluation since ESR is non-specific. The other ranges either set the upper limit too high for a young woman or too low, making a normal finding appear abnormal. Factors like pregnancy or anemia can raise ESR, but in a healthy 50-year-old or younger person, 0-20 mm/hr remains the typical normal range.

ESR measures how fast red blood cells settle in a tube, which rises with inflammation or other conditions. For a healthy female under 50, the upper limit of normal is about 20 mm/hr, so a range of 0-20 mm/hr fits standard reference values. Values higher than 20 could indicate inflammation, infection, or other issues and would prompt further evaluation since ESR is non-specific. The other ranges either set the upper limit too high for a young woman or too low, making a normal finding appear abnormal. Factors like pregnancy or anemia can raise ESR, but in a healthy 50-year-old or younger person, 0-20 mm/hr remains the typical normal range.