Anemias Flashcards
What is anemia defined as?
Hb level <130 (males) & <120 (females) g/L
What does MCV stand for?
Mean corpuscular volume
Average size of RBC
Microcytic anemia
Size?
Examples?
<80fl
Fe deficiency - mc worldwide
Thalassemia alpha/beta (chronic disease)
Sideoblastic anemia
Normocytic
Size?
2 groups and based on what?
80-95
Haemolytic (high reticulocyte count)
Non haemolytic (low reticulocyte due to failing bone marrow)
What is a reticulocyte?
Premature red blood cell still in bone marrow
Check reticulocyte count
Examples of normocytic haemolytic
Haemolytic anemia
Sickle cell
G6PDH deficiency
AHA
Hereditary spherocytosis
Examples of normocytic non haemolytic
Aplastic (bone marrow disorder)
Chronic disease esp CKD
Pregnancy
Myelophthisic anemia
Normal RBC life span?
Haemolytic anemia?
120 days
5-10 days
Macrocytic anemia
Test?
Size?
2 types?
Blood film
>95fl
Megaloblastic (Immature large RBC, DNA synthesis)
Non megaloblastic (large mature RBC)
Examples of megaloblastic & non megaloblastic
Megaloblastic
B12 deficiency
Folate deficiency
Non megaloblastic
Alcohol
Hypothyroidism
NALD
General Symptoms of anemia?
Fatigue, pallor, chest pain, exertional dyspnoea, tachycardia & hypotension, palpitations