heme Flashcards
what substances are known for causing hemolytic anemia in G6Pd def
“Spleen purges nasty inclusiong from damaged cells”
Sulfonamides
Primaquine
Nitrofrantoin
Isoniazid
Fava beans
Dapsone
Chloroquine (antimalarial)
whats the life span of a platelet (including after transfusion)
8-10 days
what molecule is expressed on the surface of a platelet after the platelet is activated by binding of ADP to P2Y12?
Gpllb/llla
most common inherited coagulation (bleeding) disorder?
von Willebrand disease
tx and diagnostic findings for
von willebrand disease
(DDAVP) Desmopressin
PT-, BT inc, .PT - , PTT -/ inc
use Ristocetin cofactor assay
if no VWF then no platelet aggregation.
what platelet disorder
Anti-gpllb/llla antibodies
ITP
what platelet disorder
ADAMTS -13 def
TTP
(DIT says alos HUS)
what platelet disorder
gp lb defect
bernard-soulier syndrome
what platelet disorder
gpllb/llla defect
Glanzmann’s thrombasthenia
what platelet disorder
VWF defect
von willbrand disease
what platelet disorder
wide spread activation of platelets and coagulation cascade
DIC
what platelet diseases are chronic
genetic:
- VWD (Autosomal dom)
- Bernard soulier syndrome
- glanzmanns thrombasthenia
non-genetic: anti-gpllb/llla
mc leukemia in children
ALL
mc leukemia in adults in the us
CLL
chracteristic Auer rods
AML
MYELODYSPLASTIC syndromes have a tendency to progress to?
AML
more than 20% blasts in the marrow indicates?
acute leukemia
leukemia with more mature cells and < 5% blasts
chronic leukemia
TdT (+) acute leukemia
ALL
COMMONLY presents with BONE pain
ALL
numerous basophils, splenomegaly
and negative for leukocyte alkaline phospahtes* (LAP)
CML
always positive for the
Philadelphia chromosome t(9,22)
CML
Acute leukemia postive for peroxidase (myeloperoxidase)
AML
solid sheets of lymphoblasts in marrow
ALL