What does the erythrocyte sedimentation rate measure?

• How fast the erythrocytes fall to the bottom of the test tube

• How many erythrocytes fall to the bottom of the test tube

• How fast sediment is formed

• How many minutes it takes for erythrocytes to fall to the bottom of the test tube

Name three reasons that an erythrocyte sedimentation rate test is done

ESR is a very critical investigation in the diagnosis of TB. Which of the following is true about ESR in TB.

• No change is ESR

• Confirms recovery from TB

• ESR is raised because of increased RBC aggregate

• ESR is raised due to decreased RBC size

ESR is raised in-

• Sickle cell anemia

• Afibrinogenemia

• Acute myocardial infarction

• Angina Pectoris

What is Rouleaux formation?