Hematology Flashcards
[Heme/Basic]
Hb nadir at __ months around 9-11 g/dL
Reticulocyte counts normalized <2% ≥ __ months
MCV nadir at __ months around 77fL
Hb nadir at 2-3 months around 9-11 g/dL
Reticulocyte counts normalized <2% ≥ 4 months
MCV nadir at 6-12 months around 77fL
[Heme/Anemia]
Cause of microcytic anemia? (4)
- Iron deficiency anemia
- Anemia of chronic disease (can be normocytic)
- Thalassemias
- Sideroblastic anemia
[Heme/Anemia]
Cause of normocytic anemia? (3)
- Hemolytic anemia
- Aplastic anemia
- Chronic renal disease
[Heme/Anemia]
Cause of macrocytic anemia? (4)
- Folate deficiency
- B12 deficiency
- Certain drugs: valproic acid
- Inherited bone marrow failure syndromes
[Heme/Anemia/β-thal]
β-thalassemia subtype?
Mild anemia, HbA2 > 3,5%: ___
Increased HbA2, HbF: __
Profound anemia by 6-12 months, pallor, frontal bossing, HSM, transfusion dependent: __
Mild anemia, HbA2 > 3,5%: minor
Increased HbA2, HbF: intermedia
HbF only, Profound anemia by 6-12 months, pallor, frontal bossing, HSM, transfusion dependent: major
[Heme/Anemia/ α-thal]
α-thalassemia subtype?
1) 1 locus, asymptomatic, no hematologic abnormalities (normal HbEP) (silent carrier): __
2) 2 loci, asymptomatic, MCV low, mild anemia (normal HbEP): __
3) 3 loci, moderate-to- severe hemolysis (HbH): __
4) 4 loci, death in utero (HbH, HbBart): __
1) 1 locus, asymptomatic, no hematologic abnormalities (silent carrier): trait
2) 2 loci, asymptomatic, MCV low, mild anemia: minor
3) 3 loci, moderate-to- severe hemolysis: HbH
4) 4 loci, death in utero: Hydrops fetalis
[Heme/Anemia]
Signs of which anemia?
Koilonychia
Iron deficiency anemia
(Sign of chronic iron deficiency)
[Heme/Anemia]
Which anemia?
Mentzer index (MCV/RBC) ≥ 13: __
Mentzer index (MCV/RBC) < 13: __
Mentzer index (MCV/RBC) ≥ 13: IDA
Mentzer index (MCV/RBC) < 13: thalassemia
[Heme/Anemia]
Which anemia?
Iron: low
TIBC: high
Transferrin saturation: low
Ferritin: low
Hepcidin: low
Iron deficiency anemia
[Heme/Anemia]
Which anemia?
Iron: low
TIBC: low
Transferrin saturation: low to normal
Ferritin: normal to high
Hepcidin: high
Anemia of chronic disease
[Heme/Anemia/Sickle]
Most common complications for sickle cell trait?
Hyposthenuria (inability to concentrate urine)
Renal papillary necrosis
[Heme/Hemoglobinopathies]
Diagnosis?
G6PD deficiency
(Heinz body and bite cells)
[Heme/HA]
What type of hemolytic anemia?
Treatment?
Acute pallor, jaundice, dark urine
After new medication, recent illness
PE: splenomegaly
Lab: direct Coombs positive,
(Warm) Autoimmune hemolytic anemia
- Treatment:
Corticosteroids
[Heme/HA]
What type of hemolytic anemia?
Older children, adolescent
Hemolytic anemia symptoms (dark urine, pallor)
After mycoplasma or EBV infection
Lab: direct Coombs test positive C3, negative IgG
Cold agglutinin disease
[Heme/HA]
What type of hemolytic anemia?
Children 4-10 years old
Acute abdominal, leg or back pain
Hemolytic anemia symptoms (dark urine, pallor)
After viral illness
Lab: direct Coombs test positive C3, negative IgG
Positive for cold-reacting IgG (Donath-Landsteiner antibodies)
Paroxysmal cold hemoglobinuria