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Questions and Answers
What is the purpose of placing the tube in an isolated area in the laboratory that is free from vibrations?
What is the purpose of placing the tube in an isolated area in the laboratory that is free from vibrations?
What can be a source of error in the Westergren method for measuring ESR?
What can be a source of error in the Westergren method for measuring ESR?
Why is it important to ensure that a standard amount of anticoagulant was used in the ESR test?
Why is it important to ensure that a standard amount of anticoagulant was used in the ESR test?
What would be the effect of polycythemia on the erythrocyte sedimentation rate (ESR)?
What would be the effect of polycythemia on the erythrocyte sedimentation rate (ESR)?
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What is the role of plasma albumin in the sedimentation of RBCs?
What is the role of plasma albumin in the sedimentation of RBCs?
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What is the erythrocyte sedimentation rate (ESR) a measure of?
What is the erythrocyte sedimentation rate (ESR) a measure of?
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Which method is used for the measurement of ESR manually?
Which method is used for the measurement of ESR manually?
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What is the purpose of the Westergren tube in the measurement of ESR?
What is the purpose of the Westergren tube in the measurement of ESR?
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What is the Wintrobe Set used for in the measurement of ESR?
What is the Wintrobe Set used for in the measurement of ESR?
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What does an ESR test help in detecting?
What does an ESR test help in detecting?
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Study Notes
Importance of Laboratory Conditions
- The tube is placed in an isolated area in the laboratory to minimize vibrations that can affect the accuracy of the ESR measurement.
Sources of Error in Westergren Method
- Vibrations can be a source of error in the Westergren method for measuring ESR.
- Other sources of error include variation in anticoagulant amount and improper tube handling.
Importance of Standard Anticoagulant Amount
- Using a standard amount of anticoagulant is crucial in the ESR test to ensure accurate results, as variations can affect the measurement.
Effect of Polycythemia on ESR
- Polycythemia, a condition characterized by an increased number of RBCs, can decrease the ESR due to the increased RBC aggregation.
Role of Plasma Albumin in RBC Sedimentation
- Plasma albumin helps to inhibit the aggregation of RBCs, which in turn affects the sedimentation rate.
Erythrocyte Sedimentation Rate (ESR)
- ESR is a measure of the rate at which RBCs settle at the bottom of a vertical tube, usually measured in mm/h.
- It is a non-specific indicator of inflammation and can be affected by various factors.
Measurement of ESR
- The Westergren method is commonly used for manual measurement of ESR.
- The Wintrobe Set is also used for the measurement of ESR.
- The Westergren tube is a special tube used in the measurement of ESR, with a precise volume and dimensions.
Purpose of ESR Test
- An ESR test helps detect inflammation, infection, and autoimmune disorders.
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Description
Test your knowledge about the Erythrocyte Sedimentation Rate (ESR), a common hematology test used as a non-specific measure of inflammation. Learn about the procedure and interpretation of results for this important test.
