from questions Flashcards
phenotype HbEE
mild, microcytosis, asymptomatic
acute ischemic stroke in HBSS step 1 and 2
step 1- transfuse to Hgb 10 then 2- exchange to sub 20% SS
goal for chronic transfusions in HbSS
hemoglobin of 9 and sickle hemoglobin less than 30
abnormal TCD in HbSS define
more than 200 cm/sec in MCA or internal carotid
2 age peaks of stroke in HbSS
agte 2-3 and then 40-49
when to start TCD screens in HbSS
age 2
what are risks in hyper hemolytic HbSS phenotype
leg ulcers, stroke, proteinuria, gallstones, pHN, priapism
what is missing and how to treat neonatal purpura fulminans
missing proton C or S, give FFP
x linked thrombocytopenia that looks like beta that is what
GATA1
heme finding in babies with CF missing vitamin E
hemolytic anemia
how often to prophy for severe hemophilia A
q4 weeks
1BU inhibits what amount of residual factor activity
50%
what level of BU can you overcome with high doses of factor
LOW (<5)
CONTACT FACTOR DEFICIENCY ASSOCIATED WITH BLEEDING PHENOTYPE
FXI
definition of type 2 VWD
activity/antigen is <0.7
which type 2 VWD has normal multimers and decreased factor 8 activity with values below the VWF antigen levels
2n
which type 2 VWD has low plt
2B
what is the problem in type 2N VWD
binding to factor 8
what plt problem can be inherited with WAAS
dense granule deficiency
list some acquired causes of platelet dense granule deficiency
lupus, leukemia, MEDS< MPN
most common cause of pseudothrombocytopenia
EDTA
most common cause of acquired fibrinogen problems
liver disease
SPONTANEOUS INTRACRANIAL BLEEDING AND UMBLIICAL STUMP BLEEDING- WHAT FACTOR
xiii
what test measures fibrinogen activity
THROMBIN TIME