Random facts for heme- exam 1

Question 1

mneumonic for ordering a D dimer and dont want it to be a false pos

Answer 1

CRIIP! False alarm.
Cancer, Recent Surgery, Infection, Inflammation, Pregnancy

Question 2

Coombs test- what does it do and when is it false pos

Answer 2

detects presence of antibodies on the surface of RBCs which ultimately causes RBC destruction

-false positive if taking these medications:
Methyldopa, Levodopa, Cephalosporins, penicillin, quinidine

My Lovely Cat Purrs Quietly (for Antibodies)

Question 3

Bodys most reliable indicator of iron and most accurate indicator (2)

Answer 3

-Ferririn (reliable & ordered often) and bone marrow (accurate & hard to order)

-both of these are better than serum iron or TIBC

Question 4

What does B12 need to be absorbed

Answer 4

intrinic factor (req intact stomach) from the stomach + absorption in the ileum

Question 5

where is folic acid and B12 stored

Answer 5

liver

Question 6

Does folate need B12 to be absorbed into tissues or vice versa?

Answer 6

B12 is needed to move folate into tissue cells. Folate is absorbed in the jejunum but stays in the blood until B12 lets it into tissues.

Question 7

when is transfusion indicated at 7-8 and 9-10. what about in emergency?

Answer 7

8-10 hgb
Anemia, bleeding, ACS
7-8 hgb
Post op, CVD
in emergency, you cant measure hgb (until 15 mins after transfusion and they cant have an active bleed)

Question 8

What is contained in FFP?
How long to thaw

Answer 8

Contains coagulation factors, fibrinogen, antithrombin, albumin, protein C and protein S
Come Find A Crab AT Sea

24 hours, then it must be given then or it will degrade the factors

Question 9

Cryoprecipitate

Answer 9

vWf, 8, 13, fibrinogen

White Wedding For 813

Question 10

Indications for the transfusion of plaetlets

Answer 10

<10,000 to prevent spontaneous hemorrhage.

<50,000 who are actively bleeding, are scheduled to undergo an invasive procedure, or have a qualitative intrinsic platelet disorder.
Patients with a platelet count <100,000 who have a central nervous system injury, have multisystem trauma, or are undergoing neurosurgery

normal platelet count who have ongoing active bleeding and a reason for platelet dysfunction, such as a congenital platelet disorder, chronic aspirin therapy, or uremia