Hematology

Question 1

What populations are at agreatest risk of iron deficiency?

Answer 1

• pregnant women
• older adults

Question 2

What are the major causes of iron deficiency anemia?

Answer 2

• decreased dietary intake
• reduced absorption
• blood loss

Question 3

What surgery increases the risk of iron def anemia?

Answer 3

bariatric surgery (Roux-en-Y)

Question 4

What are S/S of iron def anemia?

Answer 4

fatigue, weakness, headache, irritability

Question 5

What does PE of iron def anemia reveal?

Answer 5

pallor

dry or rough skin

atrophic glossitis w/ loss of tongue papillae

cheilosis

koilonychia (spoon nails)

Question 6

What will labs show in iron def anemia?

Answer 6

Decreased RBC, hemoglobin & hematocrit, absolute reticulocye count, MCV

Question 7

What is the most useful iron study?

Answer 7

ferritin

Question 8

What will iron studies show in iron def anemia?

Answer 8

low serum iron level, transferrin saturation level, ferritin level. ​

high serum transferrin and total iron-binding capacity

Question 9

Tx for iron def anemia

Answer 9

oral iron

IV iron if ongoing blood loss, issues with adequate absorption (e.g., after gastric or bariatric surgery), and intolerable gastrointestinal side effects with oral iron.