18. Hematology

Question 1

Whats the most common antibody in US?

Answer 1

CMV

Question 2

Which hepatitis is most commonly transmitted via transfusion?

Answer 2

Hep C

Question 3

What’s the most common infection from accidental needle stick?

Answer 3

Hep B

Question 4

When do you transfuse?

Answer 4

Basic rule of thumb: only if a patient is symptomatic because every blood product is potentially dangerous

Question 5

When do we use fresh frozen plasma?

Answer 5

For multiple coagulation factor deficiency (DIC, cirrhosis, warfarin overdose); NEVER for restoring volume/blood pressure

Question 6

Transfusion febrile reaction - due to what?

Answer 6

HLA antibodies - type II HSR (only happens if someone has had a previous transfusion or has been pregnant)

Question 7

Woman postpartum (difficult pregnancy) had transfusion, 1 week later - jaundice and drop in hemoglobin

Answer 7

Delayed transfusion reaction - would get a Coombs test

Question 8

The most common cause of jaundice in the first 24 hours of life in a baby?

Answer 8

AB/O incompatibility

Question 9

What does UV light do for bilirubin?

Answer 9

Conjugates it so that it can be excreted in the urine