Podcast
Questions and Answers
Which of the following drugs can potentially influence the results of the erythrocyte sedimentation rate test?
Which of the following drugs can potentially influence the results of the erythrocyte sedimentation rate test?
What condition is most likely to cause an increased erythrocyte sedimentation rate due to elevated plasma proteins?
What condition is most likely to cause an increased erythrocyte sedimentation rate due to elevated plasma proteins?
Which factor can lead to a falsely decreased erythrocyte sedimentation rate reading?
Which factor can lead to a falsely decreased erythrocyte sedimentation rate reading?
What effect does tilting ESR tubes have on the sedimentation rate results?
What effect does tilting ESR tubes have on the sedimentation rate results?
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Which of the following clinical conditions is NOT associated with an increased erythrocyte sedimentation rate?
Which of the following clinical conditions is NOT associated with an increased erythrocyte sedimentation rate?
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What is the consequence of having bubbles in the ESR column during testing?
What is the consequence of having bubbles in the ESR column during testing?
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Which scenario would not lead to inaccurate erythrocyte sedimentation rate results?
Which scenario would not lead to inaccurate erythrocyte sedimentation rate results?
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In the context of ESR testing, what is a common complication when using a narrow ESR column diameter?
In the context of ESR testing, what is a common complication when using a narrow ESR column diameter?
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Study Notes
Drugs
- Dextran
- Heparin
- Penicillamine
- Procainamide
- Theophylline
- Vitamin A
Clinical Conditions
- Inflammatory conditions (increased plasma proteins, particularly fibrinogen, alpha and beta globulins)
- Infections (acute and chronic)
- Subacute bacterial endocarditis
- Acute heavy metal poisoning
- Collagen vascular diseases
- Diabetes mellitus
- End-stage renal failure
- Hepatitis
- Gout
- Malignancy
- Menstruation
- Multiple Myeloma (Plasma Cell Myeloma)
- Waldenstrom's macroglobulinemia
- Myocardial infarction
- Rheumatic fever
- Rheumatoid arthritis
- Syphilis
- Temporal arteritis
- Nephrosis
- Tuberculosis
- Adrenocorticotropic hormone (corticotropin)
- Cortisone
- Ethambutol
- Quinine
- Salicylates
- Cachexia
- Congestive heart failure
- Newborn status
- Adults over 60 (slightly higher ESR due to decreased plasma albumin)
- Pregnancy
Technique
- A tilt of as little as 3° from vertical can cause error up to 30%
- Refrigerated sample NOT returned to room temperature
- High room temperature
- Vibration
- Tilted ESR tube
- Clotted blood sample
- Delay in testing
- Bubbles in ESR column
- Low room temperature
- Narrow ESR column diameter
Sample Question 1
- Placed sedimentation rate tubes directly on a small refrigerator due to lack of space.
- Three possible effects on ESR results:
- Falsely decreased ESR (↓) due to lower temperatures
- Falsely increased ESR (↑) due to vibrations
- Falsely increased ESR (↑) due to released heat
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Description
Test your knowledge on various drugs and their related clinical conditions. This quiz covers key medications and the medical scenarios in which they are used. Assess your understanding of treatments for inflammatory conditions, infections, and more.
