ESR Test – A Comprehensive Guide to This Inflammation Marker
Introduction The Erythrocyte Sedimentation Rate (ESR) test is a widely used, simple, and cost-effective blood test that helps doctors detect inflammation in the body. While it has been performed for decades, it remains an essential tool in modern diagnostics. ESR is particularly helpful in identifying health problems linked to infections, cancers, autoimmune conditions, and chronic inflammatory disorders. However, ESR is called a non-specific test because it cannot pinpoint the exact cause or location of inflammation. Many factors beyond inflammation can also influence results. For this reason, ESR is often used in combination with other tests—such as the C-reactive protein (CRP) test —to give doctors more accurate insights. In this guide, we’ll cover everything you need to know about the ESR test, including its purpose, procedure, interpretation, normal ranges, influencing factors, limitations, and commonly asked questions. What is ESR? The Erythrocyte Sedimen...