Description
ESR Test (Erythrocyte Sedimentation Rate)
The ESR test measures the rate at which red blood cells (RBCs) settle at the bottom of a test tube in one hour. It is a non-specific marker of inflammation in the body and helps detect hidden conditions that cause inflammation.
 Why It’s Done
| Health Concern | Purpose of ESR Test |
|---|---|
| Chronic Pain or Swelling | Detect underlying inflammation |
| Autoimmune Disease Symptoms | Monitor conditions like RA or lupus |
| Prolonged Fever | Investigate cause of unknown infection |
| Muscle Pain or Stiffness | Evaluate for polymyalgia rheumatica |
| Follow-up in Known Disorders | Track disease progression or treatment |
 Result Interpretation
| Category | Normal Range (Approx.) | Implications |
|---|---|---|
| Men | 0 – 15 mm/hr | Normal for adult males |
| Women | 0 – 20 mm/hr | Slightly higher due to hormonal influence |
| Children | 0 – 10 mm/hr | Lower normal range |
| Elderly | Up to 30 mm/hr (age-dependent) | Slight increase with age is common |
🟥 High ESR → Infections, autoimmune diseases, chronic inflammation, cancers
🟩 Low ESR → Polycythemia, sickle cell anemia, high WBC count
 Symptoms That May Need ESR Test
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Persistent unexplained fever
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Joint pain and morning stiffness
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Chronic back pain
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Unexplained weight loss
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Fatigue and body aches
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Suspected infections or autoimmune disorders
Why Choose ESR Test?
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Fast and cost-effective screening test
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Helps identify inflammation or disease activity
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Useful in monitoring chronic diseases
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Can be repeated to track response to treatment
Note:
Reference ranges can slightly vary based on lab standards, age, and altitude.
Always interpret values in consultation with a qualified physician.
Widal Test
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