Hematology Flashcards
In patients with reduced Fe, use up _____ first which will show a decreased serum_______ level?
Ferritin
Decreased Serum Iron, Decreased Ferritin, Inc. TIBC
Fe deficiency anemia
Decreased Serum iron, Increased ferritin and TIBC
Anemia of chronic disease
Microcytic Anemias include?
Fe deficiency (FLATS) Lead poison Anemia of chronic Dz Thalassemia Sideroblastic anemia
Macrocytic Anemias include?
- Folate *Alcohol (FATRBC)
- Thyroid (Hypo) *Rx (meds)
- B12 *Cirrhosis
Blood smear Rouleaux formation “Stack of coins”
Multiple Myeloma
Blood smear “Howell-Jolly bodies” (Dot on RBC)
Sickle Cell
Blood smear Heinz body “Bite Cells”
G6PD deficiency
Blood smear Basophilic stippling
Lead Poisoning or Sideroblastic anemia (Heavy metal)
Blood smear Codocytes “Target cells”
Thalassemia
Blood smear hypersegmented or >5 lobes in WBC neutrophil?
B12 and Folate deficiency
Blood smear Auer Rods
Acute Myelogenous Leukemia
Blood smear Reed-Sternberg Leukemia “Owl eyes”
Hodgkin Lymphoma
Approach to anemia step 1-2?
#1. Reticulocyte (High or Low) #2. LOW= MCV (<80 or >120)? High= Blood loss or RBC destruction G6, SC, Sphe?
Deficiency –> Abnormal synthesis of DNA
Almost exclusively MCV >115
Pernicious Anemia, strict Vegans, ETOH malabsorption
B12 (Cobalamin) Deficiency
What vitamin increases Fe iron absorption?
Vitamin C
Inhibits multiple enzymes for heme synthesis and shortens RBC life span.
Abdominal pain with constipation + Neurological Sx. Ataxia, fatigue, learning disability, shock or coma
Lead poisoning Anemia (Plumbism)
Decreased production of alpha globin chain with 3 abnormal alleles:
Alpha Thalassemia Intermedia (Hgb H Disease)
“Symptomatic”
Decreased production of alpha globin chain with 2 abnormal alleles:
Alpha Thalassemia Minor
Decreased production of alpha globin chain with 4 abnormal alleles:
Hydrops Fatalis “Bart’s” (Tetramer)
Decreased production of alpha globin chain with 1 abnormal allele:
Alpha Thalassemia Silent carrier
Decreased production of Beta globin chain w 1 normal and 1 deletion or mutation of alleles: B/ B+ (or B0)
X1 Mutated and X1 mutated or deleted)
Beta Thalassemia Trait (Minor)
Decreased production of Beta globin chain with both Alleles mutated
Beta Thalassemia Major (Cooley’s anemia) severe
Decreased production of Beta globin chain with 1 deletion and 1 mutation of alleles: B+/B 0
X1 Mutated and X1 mutated or deleted)
Beta Thalassemia Intermedia (Mild symptoms)
Treatment for Alpha Thalassemia Moderate and Severe?
Moderate: Folate (Avoid Iron supplementation)
Severe: IV deferoxamine (Fe Chelating Agents)
Splenectomy: Bone marrow transplant definitive
Treatment for Betta Thalassemia Moderate and Severe?
Moderate-Severe: Folate, Vitamin C, IV Deferoxamine
Splenectomy : Bone marrow transplant Definitive
At what age is adult Hgb predominant and what type of Hgb is adults and which is fetal?
Predominant after 6 months (95% = 2 alphas/2 Betas)
Adult Hgb= Hgb A Fetal Hgb= Hgb F