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trueger
blood ds
112
Other
Not Applicable
05/13/2006

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Term
myeloblast->->->
Definition
promyelocyte->myelocyte->
metamyelocyte->stab cell->PMN, Eo, or basophil
Term
anisocytosis
Definition
varying size RBCs
Term
poikilocytosis
Definition
varying shape RBCs
Term
varying shape RBCs
Definition
poikilocytosis
Term
varying size RBCs
Definition
anisocytosis
Term
rbc: energy usage
Definition
glu
90% -> lactate
10%->HMP shunt
Term
rbc membrane impt?
Definition
Cl-HCO3 antiport->
physiologic chloride shift
alows RBC CO2 transport
Term
what do basophils do?
grans?
Definition
mediate allergic rxn
grans: heparin, histamine, LTD-4
Term
mast cells
Definition
mediate allergic rxn
grans: heparin, histamine, Eo chemotactics
membrs bind IgE
Type 1 hypersense rxns
rx: cromolyn!
Term
Eos
Definition
grans:major basic protein (MBP),eosinophil peroxidase (EPO)
arylsulfatase, acid phosphatase
Term
causes of eophilia
Definition
NAACP

neoplastic, astyhma, allergic process, collagen vasc dz, parasites

Term
PMN granules
Definition
hydrolytics
lysozyme
MPO
lactoferrin
Term
hypersegm PMNs
Definition
b12/folate def
Term
b12/folate def - blood finding
Definition
hypersegm PMNs
Term
dendr cell sfc
Definition
MHCII
FcR
Term
PTT tests what?
Definition
intrinsic pathway (all but vii)
Term
intrinsic pathway test
Definition
PTT
Term
PT tests what?
Definition
extrinsic pathway (ii, v, vii, x)
Term
extrinsic pathway test
Definition
PT
Term
intrinsic pathway
Definition
XII-> XIIa
XIIa: XI->Xia
Xia ix->ixa
ixa + viia: x->xa
Term
extrinsic pathway
Definition
TF:vii ->viia +TF: x-xa
Term
both extr & intrs:
Definition
xa & va: ii -> iia
iia: i->ia +xiiia -> clot
Term
prothrombin
Definition
II
Term
thrombin
Definition
Iia
Term
fibrinogen
Definition
I
Term
fibrin
Definition
ia
Term
xiiia
Definition
crosslinks fibrin
Term
steps in coag that req Ca & platelet phospholipid
Definition
xia: ix-ixa
ixa+viiia:x->xa

TF:vii->viia
viia+TF:x->xa

xa+va:II->iia

Term
protein c & s
Definition
inact va & viiia: vit k dep
Term
antithrombin iii
Definition
inacts thrombin, ixa, xa, xia
act'd by heparin
Term
tPA
Definition
generates plasmin -> cleave fibrin
Term
spherocytes
Definition
hered sphere
autoimmune hemolysis
Term
macro-ovalocyte
Definition
megaloblastic anemia (w/ hyperseg PMNs)
marrow failure
Term
schistocyte
Definition
DIC
traumatic hemolysis
Term
teardrop cell
Definition
myeloid metaplasia w/ myelofibrosis
Term
acanthocyte
Definition
abetalipoproteinemia w/ spiny appearance
Term
target cell
Definition
HbC dz
Asplenia
Liver dz
Thalasemia

HALT

Term
burr cell
Definition
TTP/HUS
Term
hered sphere -> RBCs?
Definition
spherocytes
Term
megaloblastic anemia -> rbcs?
Definition
macro-ovalocytes & hyperseg PMNs
Term
DIC-> rbc?
Definition
schistocyte
Term
myeloid metaplasia w/ myelofibrosis
Definition
teardrop cell
Term
abetalipoproteinemia w/ spiny appearance
Definition
acanthocyte
Term
HbC dz
Asplenia
Liver dz
Thalasemia

HALT

Definition
target cell
Term
TTP/HUS
Definition
burr cell
Term
autoimmune hemolysis
Definition
spherocytes
Term
marrow failure
Definition
macro-ovalocyte
Term
etios: microcytic anemia, hypochromic
Definition
IDA
thalassemias
lead poisoning, sideroblastic anemias
Term
IDA
Definition
dn serum iron
up TIBC
dn ferritin
Term
dn serum iron
up TIBC
dn ferritin
Definition
IDA
Term
etios: macrocytic anemias
Definition
megaloblastic
drugs that block DNA synth (sulfas, AZT)
Term
b12 and folate def
Definition
megaloblastic anemia (w/ hyperseg PMNs)
Term
b12 def vs folate
Definition
neuro ds
Term
normcytic, normochromic anemia etios
Definition
acute hem
enzyme defects (g6pdd, pk def)
RBC membr defects (hered sphero)
BM ds (aplastic anemia, leuk)
Hgbpathies (sickle)
autoimmune hemolytic anemia
anemia of chr dz (dn TIBC, up ferritin, up Fe storage in marrow macs)
Term
dn serum haptoglobin & up serum LDH
Definition
RBC hemolysis
Term
direct coombs test usage
Definition
immune vs non immune RBC hemolysis
Term
aplastic anemia
Definition
pancytopenia w. severe anemia, dnPMN, dnPLTLTs
caused by failure or destr of multipotent SCs
etios: radn, benzen, chloramphenicol, alk agents, antiMBs, viri (parvo b19, EBV, HIV), fanconi, idiopathic (immune/prim SC), post-ac-hep
Term
aplastic anemia ssx
Definition
fatigue, malaise, pallor, purpura, muc bleeding, petechiae, infn
Term
fatigue, malaise, pallor, purpura, muc bleeding, petechiae, infn
Definition
aplastic anemia ssx
Term
aplastic anemia path feats
Definition
pancytopenia w. nl cell morphology
hypcell BM w. up fat
dx: BM bx
Term
aplastic anemia tx
Definition
withdrawal cause, allogenic BM transplant, RBC & pltlt transfusion, G-CSF or GM-CSF
Term
sickle complns
Definition
parvob19-> aplastic crisis
autosplenectomy
up risk encaps infn
salmonella osteomyelitis
painful/veno-occl crisis
splenic sequestration crisis
Term
crew cut xray
Definition
sickle & thalassemia
Term
HbC defect
Definition
diff B chain mutn
pts w. HbC or HbSC: mild sickle dz
Term
a thalassemia
Definition
no comp increase in other chains
HbH tetramers & Hb Barts -> hydrops fetalis -> fetal death
Term
where a thal?
Definition
asia & afr
Term
where b thal?
Definition
mediterr
Term
HbH tetramer
Definition
B4 tetr, no alpha genes at all
Term
B4 tetr, no alpha genes at all
Definition
HbH tetramer
Term
Hb Barts
Definition
gamma4 tetramer, lack all alpha genes
Term
b thalassemia minor
Definition
b chain under prod'd
Term
b thalassemia major
Definition
b chain absent
Term
b thal chars
Definition
up fetal Hb but inadequate
Term
b thal tx
Definition
severe anemia in b thal major reqs transfusions
Term
b thal compls
Definition
major -> HF due to 2ndary hemochromatosis
marrow expn -> skel deforms
Term
hemanems
Definition
autoimmune
hered sphero
PNH
microangiopathic anemia
Term
gen hemanem chars
Definition
up serum BR
-> jaundice, pigm bile stones
up rtcytes (Marrow comp for anemia)
Term
autoimmune anemia
Definition
mostly extravasc hemolysis (kupffer & spleen)
warm agglut (igg)- chr anem seen in SLE, CLL, or rx (methyldopa)
cold aggl (igm)- acute anemia triggered by cold, post myco pneum infn or mono
erythroblastosis fetalis- seen in newborn due to Rh or other incomp
Term
coombs: AI anemia
Definition
pos
Term
direct coombs test defn
Definition
anti-igabs added to rbcs
aggl ifcoated w. ig
Term
indirect coombs test defn
Definition
nl RBCs added to pts serum
aggl if serum has anti-RBC sfc ig
Term
hered sphere
Definition
intr, extravasc hemolysis due to spectrin or ankyrin defect
sm rnd rbcs, no central pallor
less membr -> up MCHC, up RDW
Term
PNH
Definition
intravasc hemolysis due to membr defect
up sens of rbcs to lytic act'y of compl
up serum hemosidirin
Term
microangiopathic anemia
Definition
intravasc hemolysis seen in DIC, TTP/HUS
Term
intr, extravasc hemolysis due to spectrin or ankyrin defect
sm rnd rbcs, no central pallor
less membr -> up MCHC, up RDW
Definition
hered sphere
Term
intravasc hemolysis due to membr defect
up sens of rbcs to lytic act'y of compl
up serum hemosidirin
Definition
PNH
Term
intravasc hemolysis seen in DIC, TTP/HUS
Definition
microangiopathic anemia
Term
DIC causes
Definition
obstetr (most common)
gram neg sepsis
transfusion
trauma
mailgn
acut pancr'it is
nephrotic syndrome
Term
DIC lab findings
Definition
up PT, up PTT
up fibr split products(ddimers)
dn pltlts
helmet shaped RBCs and schistocytes
Term
ITP
Definition
antiplatelet Abs, up megaKs
Term
TTP
Definition
schistocytes, up LDH, neuro sx
Term
hemophilia a
Definition
viii def
Term
hemophilia b
Definition
ix def
Term
vonWillebrands dz
Definition
def vWF
defect of platelt adh and dn viii survival
Term
up bleeding time
Definition
platelet defect
Term
dn platelets, up bleeding time
Definition
thrombocytopenia
Term
hemophilia a or b
Definition
up PTT
Term
vWDz
Definition
up bleeding time, up PTT
Term
DIC
Definition
dn platelets, up bleeding time, pt & aptt
Term
platelet defect
Definition
up bleeding time
Term
thrombocytopenia
Definition
dn platelets, up bleeding time
Term
up PTT
Definition
hemophilia a or b
Term
up bleeding time, up PTT
Definition
vWDz
Term
dn platelets, up bleeding time, pt & aptt
Definition
DIC
Term
abnl bleed w. nl PT, nl PTT
Definition
xiii def
Term
nl PT,up PTT
Definition
viii, ix, xi def (bleeding pts)
xii, preK, HMWK def (w.o bleeding)
Term
nl PTT up PT
Definition
vii def
Term
up PTT, up PT
Definition
v, x, ii, I (common pathway def)
sev hep dz
DIC
Term
xiii def
Definition
abnl bleed w. nl PT, nl PTT
Term
viii, ix, xi def (bleeding pts)
xii, preK, HMWK def (w.o bleeding)
Definition
nl PT,up PTT
Term
vii def
Definition
nl PTT up PT
Term
v, x, ii, I (common pathway def)
sev hep dz
DIC
Definition
up PTT, up PT
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