Heme Flashcards
In general what are the 3 most common symptoms of anemia?
Fatigue
Headache
Exertional dyspnea
What is hyperkinetic circulation and in what disease is it seen?
Large pulse volume & tachycardia
Seen in chronic anemia
A beefy red tongue and koilonychias is usually seen in:
a) acute anemia
b) chronic anemia
c) pronounced anemia
d) nutritional deficiency anemia
c) Pronounced anemia
A smooth tongue and other mucosal changes are usually seen in:
a) acute anemia
b) chronic anemia
c) pronounced anemia
d) nutritional deficiency anemia
d) nutritional deficiency anemia
What is the most common cause of anemia in the world?
Iron deficiency anemia
Pica is the hallmark for what disease?
Iron deficiency anemia
What labs need to be done for anemia?
1) Hemoglobin
2) Hematocrit
3) RBC indicies (MCV, MCH, MCHC)
4) RBC distribution width
5) Peripheral smear
Describe the following labs for Iron Deficiency anemia:
1) Hemoglobin
2) Hematocrit
3) Peripheral smear
4) Plasma ferritin
5) TIC
1) Low
2) Low
3) Hypochomic microcytic RBC, anisocytosis, poikilocytosis
4) <30
5) high
Tx for Iron deficiency anemia
Ferrous sulfate PO or IV
take with orange juice to enhance absorption
What is the genetic issue in alpha thalassemia?
gene deletion
What is the genetic issue in beta thalassemia?
point mutation
Describe the following labs for Thalassemia syndrome:
1) Serum iron
2) Ferritin
3) Peripheral smear
1) Normal or high
2) Normal or high
3) Hypochromic Microcytic (<80)
If a infant has a thalassemia disorder that is found at 1 month what type is it?
Alpha
Beta–begins at 4-6 months
If growth retardation, severe anemia, osteopneina, pathological fractures are seen at 5 months of age what would someone suspect?
Beta Thalassemia (cooley anemia)
What is the treatment for Thalassemias?
Mild–no iron
Hemoglobin H–follic acid supplement
Beta–transfusions & Deferoxamine, (allogenic bone marrow transplantation, splenectomy)
Prussian blue staining bone marrow is seen in:
Sideroblastic anemia
shows ringed sideroblasts
Sideroblastic anemia is caused by:
Myelodysplasia
Chronic alcoholism
Lead Poisoning
What lab is necessary for the evaluation of sideroblastic anemia?
What does a peripheral smear show?
Bone marrow evaluation
peripheral smear: normal & hypochromic cells
Tx for Sideroblastic anemia
Treat underlying cause
Transfusion
What are the 3 big types of Hypochromic Microcytic anemia? What is the MCV?
MCV<80
1) Iron deficiency anemia
2) Thalassemia syndromes (alpha & beta)
3) Sideroblastic anemia
What is the MCV for Normochromic Normocytic anemia?
What are the 2 main causes?
MCV= 80-100
1) organ failure (renal, endocrine, thyroid, liver)
2) Impaired marrow function
What is the most common cause for normochormic normocytic anemias?
T-cell mediated autoimmune suppressionof hematopoiesis
Pancytopenia is the hallmark for what disease?
Aplastic anemia
What is the treatment for the following:
1) anemia of chronic disease
2) anemia of RF, cancer, inflammatory disorders
3) Aplastic anemia
1) tx underlying disease
2) Erythropoietin
3) transfusion of RBC & pllatelets
(if severe bone marrow or immunosuppression)