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anemias (diagnostics (RBC indices (MCV/RDW #, iron studies), retuculocyte…
anemias
diagnostics
H&H
retuculocyte count
increase indicated altered erythropoiesis
RBC indices
MCV/RDW
#
iron studies
B12
Folate
bone marrow aspiration
S&S
hypoproliferative anemias: defect in RBC production
**
causes
iron, B12, folate deficiency, B12 def. in vegan
decreased erythropoietin production
cancer
aplastic anemia: bone marrow doesn't produce enough blood cells
causes
genetic vs. acquired
often secondary to chronic diseases or med use
most common: autoimmune/ idiopathic
severe
bone marrow transplant
moderate
steriods, epogen, blood transfusions
megaloblastic/ vitamin deficient anemias
treatments
causes
alchohol
small intenstine disorders
aka: pernicious anemia
schilling test: helps determine cause of B12 deficiency
folate: green leafy veg & liver
iron deficiency
signs & symptoms
fatigue
palpitations
dyspnea on exertion
PICA
pallor
tachycardia
brittle/ridged nails
tender/pale/smooth tongue
anemias of chronic and renal disease
hemolytic anemias: excess RBC destuction
diagnostics
causes
inherited
abnormal hemoglobin
RBC membrane abnormalities
enzyme deficiences
r/t RBC destruction
acute autoimmune hemolytic anemia
sickle cell
thalassemia
acquired
antibody related
transfusion reaction
autoimmune hemolytic enemia
corticosteroid treatment
cold agglutinin disease
not antibody related
paroxysmal nocturnal hemoglobinuria
liver disease
uremia
trauma
mechanical heart valve
infection
bacteria/parasite
disseminated intravascular coagulation
toxins
hypersplenism
treat & manage
correct cause
transfuse packed RBC
anemia type specific treatments
r/t blood loss