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D/O's of Blood and Lymph
IM EOC #2
101
Health Care
Graduate
10/18/2009

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Cards

Term
Microcytic Anemias
Definition

Iron deficiency

Thalassemias

Anemia of Chronic Dz

Term
Macrocytic Anemias
Definition

Megaloblasti

Non-megaloblasic

Normocytic

Term
Types of Megaloblastic Macrocytic Anemias
Definition

Vit B12 defic

Folate Defic

Term
Types of NonMegaloblastic Anemias
Definition

Myelodysplasia/chemo

Liver Dz

Incr. Reticulocytes

Myxedema

Term
Types of Normocytic Megaloblastic Anemias
Definition
MANY CAUSES!
Term
Most commonly the cause of Iron defic anemia
Definition
BLEEDING!
Term
Anemia leads to
Definition
tissue hypoxia
Term
three main classes of anemia
Definition

Blood loss (hemorrhage)

Destruction (hemolysis)

Deficient production  (ineffective hematopoesis)

Term
Anemias categorized by pathophys with Decr. Production
Definition

Hgb synthesis

DNA synthesis

Stem cell

Bone marrow infiltrate

pure red cell aplasia

Term
Causes of Hgb synthesis anemia
Definition

Iron defic

thalassemias

anemia of chronic dz

Term
Causes of DNA synthesis anemia
Definition
vit B12 and folate defic
Term
Anemias caused by increased destruction
Definition

Blood loss

Hemolysis (intrinsic and extrensic)

infection

hypersplenism

Term
Causes of intrinsic hemolysis
Definition

Membrane def (spherocytosis, elliptocytosis)

Hbg def (sickle cell, unstable hgb)

glycolysis (pyruvate kinase def)

oxidation (G6PD defic)

Term
causes of extrinsic hemolysis
Definition

Immune (warm/cold antibody)

Microangiopathic (TTP, hemolytic-uremic sx, mech valve, ect)

Term
most common sx of anemia
Definition

fatigue

weakness

Term
essentials of iron def anemia
Definition

serum ferritin < 12

CAUSED BY BLEEDING UNTIL PROVEN OTHERWISE!

responds to Fe tx

MOST COMMON TYPE OF ANEMIA WORLDWIDE

Term
most common type of anemia worldwide
Definition
Iron def anemia
Term
Groups w/ incr risk of developing Iron def anemia
Definition

Menstruating women

pregnant/lactating women

chronic blood loss (ASA use)

poor diet

Term
Pica is assoc w/ what anemia
Definition
Iron deficiency
Term
Iron defic Anemia dx by
Definition
demonstrating Fe defic or evaluating response w/ Fe trial
Term
which Microctic anemia shows Incr TIBC, which Decr?
Definition

Incr:  Iron defic

Decr:  Anemia of Chronic

Term
tx of iron def anemia
Definition

oral Fe --> should be 1/2 way to normal in 3 wks, baseline after 2 mos, and cont tx 3-6 mos

 

or parental Fe

Term
common causes of anemia of chronic dz
Definition

chronic infxn, inflamm, CA, and liver dz

 

renal dz more severe!

Term
reason for anemia of chronic dz
Definition
RBC surviva decr and BM fails to compensate
Term
anemia of chronic dz confirmed by
Definition

low iron, low TIBC

nml-incr serum ferritin

Term
tx for anemia of chronic dz
Definition

No tx necessary in most cases

EPO in renal dz cases

Term
microcytosis out of proportion to the anema
Definition
think thalassemias!
Term
hereditary disorder characterized by reduction in synthesis of globin chains
Definition
thalassemias (alpha and beta)
Term
alpha thalassemia seen in what pops
Definition
Asia, china, and blacks
Term
beta thalassemia found primarily in what pops
Definition
mediterranean origins
Term
thalassemia major
Definition

homozygous B0

normal at birth--> 6 mos show severe anemia requiring transfusion

 

previously death at 20yoa

Term
thalassemia intermedia
Definition

homozygous B+

chronic hemolytic anemia--> NO transfusions

live to adult life w/

Term
Thalassemia minor
Definition

heterozygous

insignificant microcytic anemia

Term
labs to dx thalassemia
Definition

alpha-dx of exclusion

 

genetic testing available

Term
Compared to Iron def anemia, pts w/ thalasemia have ____ MCV, ______RBC and ______ peripheral blood smear
Definition

LOWER MCV

Nml RBC

AbNml Periph bld smear

Term
Macrocytic/Megaloblastic anemias essentials of dx
Definition

hypersegmented neutrophils on peripheral blood smear

Low B12/folate levels

Term

hallmark of B12 anemia

other s/sx

Definition

megaloblastic anemia

 

glossitis

GI probs

peripheral neurop and decr vibration

Term
if neuro sx and Nml MCV and no anemia what should still be tested?
Definition
B12 levels
Term
usually 1st sx of B12 defic?
Definition
paresthesia in periph nn
Term
characteristic finding of peripheral blood smear in B12/folate def anemia
Definition

macro-ovalcytes and hypersegmented neutrophils

 

***strikingly abnml

Term
what might be an initial complication the first few days of B12 tx?
Definition
hypokalemia
Term
how do you differentiate bw B12 def anemia and folate anemia
Definition

folate has Nml B12 levels

NO NEURO sx!

Term
what foods contain folate?
Definition
fruits and veggies
Term
most common cause of folate def?
Definition

inadequate diet

**alcoholics and anorexics

some drugs affect!

Term
microcytic HYPERchromic anemia
Definition
SPHEROCYTOSIS
Term
essentials of dx for spherocytosis
Definition

+ FH

splenomegaly

spherocytes and retics on smear

microcytic HYPERchromic anemia

Term
spherocytosis is a d/o of RBC ______, which leads to what type of anemia
Definition
membranes-->chronic hemolytic anemia
Term
pts w/ spherocytosis PE may show
Definition

jaundice

palpable spleen

cholecystitis (pigmented gallstones)

Term
what are always present on a blood smear in a pt w/ spherocytosis?
Definition
RETICS
Term
d/t hemolysis in pts w/ spherocytosis an incr in _____ bilirubin test will be present
Definition

INDIRECT

 

also (-) coombs

Term
tx of choice for spherocytosis
Definition

spleenectomy

 

also folate supp.

Term
essentials of dx for sickle cell anemia
Definition

irreversible sickled cells on smea

+ FM  and personal hemolytic anemia hx

painful episodes

Hgb S on electrophoresis

Term
when do you see sx of sickle cell?
Definition
during 1st year of life when Hgb F --> Hgb S
Term
poorly healing ulcers over the lower tibia can indicate what type of anemia
Definition
hemolytic (sickle cell)
Term
howell -jolly bodies are seen in what type of anemia
Definition
sickle cell
Term
tx for sickle cell anemia
Definition

no specific tx

tx infxn, give vaccines

transfusions

Term
what should be given to sickle cell pts to decr pain crises
Definition
hydroxyurea
Term
essentials of dx for autoimmune hemolytic anemia
Definition

+ IgG autoantibody

spherocytes and retics on smear

+ Coombs--> against Rh

Term
50% of all cases of autoimmune anemia are _____
Definition

idiopathic

 

also CLE, CLL, and lymphoma

Term
what test is used for basis of autoimmune anemia?
Definition
coombs antiglobulin test
Term
is autoimmune anemia rapid onset or insiduous?
Definition
RAPID--> life threatening!
Term
what do you use to tx autoimmune anemia?
Definition

prednisone

if it doesn't work--> splenectomy

Term
agranulocytosis is almost always the result of what
Definition

drug rxn!

 

(complete absence of neutrophils)

Term
immune neutropenia assoc w/ seropositive nodular RA and splenomegaly is _______ sx?
Definition
Felty's syndrome
Term
stomatitis and other common infxns (septicemia, cellulitis, pneumo) are seen in what blood d/o?
Definition
neutropenia
Term
+ fever in a neutropenic patient is what type of origin
Definition

Infxn!

 

usually inflamm response absent!

Term
what abx are used to tx neutropenic pts
Definition

quinolones

or cephs

 

also think antifungals!

Term
essentials of dx for polycythemia vera
Definition

incr RBC mass

splenomegaly

Incr WBC count

Incr platelets

 

****causes overprod of all 3 hematopoietic lines!

Term

Primary polycythemia is a d/o of what?

is it dependent or independent of EPO?

Definition

BM

INDEPENDENT!--> serum EPO is LOW!

Term
middle aged men who are overwt w/ HTN show what type of polycythemia
Definition
Spurious
Term
pruritis esp after warm shower/bath d/t histamine release is seen in what blood d/o?
Definition
polycythemia
Term
epistaxis is a sign of what blood d/o
Definition
polycythemia--> d/t abn platelet fxn
Term
most common complication of polycythemia
Definition

thrombosis--> BAD!

major cause of M&M

also incr risk of PUD

Term
tx of polycythemia
Definition
phlebotomy wkly until HCT is nml
Term
Philadelphia chromosome present in what kind of leukemia?
Definition
CML
Term
course of CML
Definition
early "chronic" phase (benign)-->stable for years-->blast crisis (like acute leukemia)-->malignant dz!
Term
hallmark of CML
Definition

elevated WBC--> not anemic

also splenomegaly, sternal tenderness

Term
tx of CML
Definition
imatinib
Term
Chemo cure what type of leukemia
Definition
acute
Term
80% of childhood leukemias are what type?
Definition
ALL
Term
Acute leukemia seen in adults
Definition

AML

> 60!

Term
in acute leukemia, pts are sick for how long usually?
Definition

days/wks--> death w/o appropriate abx

 

bleeding d/t thrombocytopenia

Term
hallmark of acute leukemia
Definition
pancytopenia w/ circulating blasts
Term
what type of acute leukemia has no evidence of myeloid lineage?
Definition
ALL
Term
what type of acute leukemia shows Auer rod (eosinophilic needle-like inclusion) in cytoplasm?
Definition

AML

 

PATHOGNOMONIC!

Term
AML tx w/
Definition
chemo agents
Term
pts w/ this type of leukemia are asymptomatic at presentation
Definition
CLL
Term
Coexpression of CD19 and CD5 is seen in what type of leukemia
Definition
CLL
Term
hallmark of CLL
Definition
isolated lymphocytosis
Term
whick type of lymphoma is more common?
Definition
non-hodgkins!
Term

painess enlargements of lymph nodes

drenching night sweats, fatigue and pruritis is found in what type of lymphoma

Definition
NH-lymphoma
Term
reed-steinberg cells are found in what type of lymphoma
Definition
hodgkins!
Term
hodgkinds lymphoma is found in what age groups?
Definition

young and old (bimodal)

20's and > 50's

Term
pain w/ alcohol ingestion seen in what type of lymphoma
Definition
hodgkins
Term
bone pain in the lower back seen in
Definition
multiple myeloma
Term
monoclonal paraprotein by serum and urine protein electrophoresis or immunoelectophoresis is used to dx
Definition
multiple myeloma
Term
autoimmune d/o which IgG autoAb binds to PLT--> destroyed in spleen
Definition
idiopathic thrombocytopenic purpura
Term
thromboctopenia common in what age group?? precipitated by?? lasts how long?
Definition

kids

viral infxn

self-limiting

 

**adult form more chronic!

Term
tx of thrombocytopenia
Definition

prednisone

splenectomy

Term
positive test for autoantibodies to platelet factor 4 found in what?
Definition
HIT
Term
hallmark is microangiopathic blood picture, Incr LDH, neuro abnml, and neg coombs test
Definition

Thrombotic thrombocytopenic purpura

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