Erythrocyte Sedimentation Rate (ESR)

 Erythrocyte sedimentation rate (ESR) is a measurement of the rate at which erythrocytes settle in a blood sample within one hour.

Normal lab values for erythrocyte sedimentation rate:

• 0 – 30 mm/hour (value may vary depending on age)

Indication for Erythrocyte Sedimentation Rate: 

• Assist in the diagnosis of conditions related to acute and chronic infection, inflammation, and tissue necrosis or infarction.

Nursing consideration

• Fasting is not required
• Fatty meal prior extraction may cause plasma alterations