from questions Flashcards

1
Q

phenotype HbEE

A

mild, microcytosis, asymptomatic

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2
Q

acute ischemic stroke in HBSS step 1 and 2

A

step 1- transfuse to Hgb 10 then 2- exchange to sub 20% SS

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3
Q

goal for chronic transfusions in HbSS

A

hemoglobin of 9 and sickle hemoglobin less than 30

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4
Q

abnormal TCD in HbSS define

A

more than 200 cm/sec in MCA or internal carotid

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5
Q

2 age peaks of stroke in HbSS

A

agte 2-3 and then 40-49

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6
Q

when to start TCD screens in HbSS

A

age 2

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7
Q

what are risks in hyper hemolytic HbSS phenotype

A

leg ulcers, stroke, proteinuria, gallstones, pHN, priapism

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8
Q

what is missing and how to treat neonatal purpura fulminans

A

missing proton C or S, give FFP

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9
Q

x linked thrombocytopenia that looks like beta that is what

A

GATA1

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10
Q

heme finding in babies with CF missing vitamin E

A

hemolytic anemia

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11
Q

how often to prophy for severe hemophilia A

A

q4 weeks

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12
Q

1BU inhibits what amount of residual factor activity

A

50%

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13
Q

what level of BU can you overcome with high doses of factor

A

LOW (<5)

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14
Q

CONTACT FACTOR DEFICIENCY ASSOCIATED WITH BLEEDING PHENOTYPE

A

FXI

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15
Q

definition of type 2 VWD

A

activity/antigen is <0.7

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16
Q

which type 2 VWD has normal multimers and decreased factor 8 activity with values below the VWF antigen levels

A

2n

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17
Q

which type 2 VWD has low plt

18
Q

what is the problem in type 2N VWD

A

binding to factor 8

19
Q

what plt problem can be inherited with WAAS

A

dense granule deficiency

20
Q

list some acquired causes of platelet dense granule deficiency

A

lupus, leukemia, MEDS< MPN

21
Q

most common cause of pseudothrombocytopenia

22
Q

most common cause of acquired fibrinogen problems

A

liver disease

23
Q

SPONTANEOUS INTRACRANIAL BLEEDING AND UMBLIICAL STUMP BLEEDING- WHAT FACTOR

24
Q

what test measures fibrinogen activity

A

THROMBIN TIME

25
2 disorders of big platelets that are low in count
bernard soulier, grey platelet
26
3 platelet defects with normal platelet size
TAR, glanzmans, hermansky pudlack
27
dohle body in a neutrophil and something wrong with plt
MYH9
28
deaf, low plt, renal disease, and or cataracts
MYH9
29
low plt, cows milk intolerance, absent radii, normal thumbs
tar
30
most common cause of sideroblastic anemia and inheritance
congenital X linked from mutation in ALAS2. risk of iron overload, microcytic anemia
31
prophy minimum in CGD
bactrim, itraconazole
32
younger than 1 year old, microcytic anemia, elevated HbF, low retic count. suspected dx and test?
DBA- get erythrocyte ADA activity (will be elevated)
33
most sensitive blood cells to radiation
lymphocytes
34
2 inherited syndromes to associate with hepatoblastoma
Li Fraumeni, Gardner
35
what is fetal hydantoin syndrome
phenytoin exposure in utero. low set ears, small, microcephaly. risk for leukemia, lymphoma, and neuroblastoma
36
3 most common HLA DR negative leukemias
T cell ALL, AMKL, APML
37
increased risk of what in neuro-cardio-facial-cutaneous syndromes
JMML- this is a RAS opathy
38
how much do you dose reduce oral mercaptopurine if homozygous TPMT polymorphism
90%
39
lowest risk GVHD in HLA mismatch is which HLA
HLA DQB1
40
rare form of scid with hearing loss and severe neutropenia
reticular dysgenesis
41
key IHC marker in LCH
CD1a with birbeck granules (CD207) and S100 stains