Module 4: Blood Disorders Flashcards Preview

Pathophysiology (Porth) > Module 4: Blood Disorders > Flashcards

Flashcards in Module 4: Blood Disorders Deck (20):
1

Anemia

Decrease in oxygen carrying capacity of blood

2

Pernicious anemia

Decrease in red blood cells due to vitamin B12 deficiency

3

Microcytic-hypochromic

Used to describe red blood cells as smaller than normal, and less pigmented than normal (due to less hemoglobin)

4

Iron deficiency

Decrease in healthy red blood cells due to lack of iron (because hemoglobin relies heavily on iron availability)

5

Normocytic-normochromic

Used to describe red blood cells as normal in size and normal in pigmentation (normal amount of hemoglobin)

6

Polycythemia

Excessive erythrocytes

7

Neutrophilia

Increase amounts of neutrophil granulocytes in blood as an early response to infection

8

Neutropenia

Lower number of neutrophils in the blood caused by prolonged severe inflammation. Production of granulocytes not meeting demand

9

Agranulocytosis

Extremely low counts of granulocytes. Can be caused by chemo

10

Lymphocytosis

Increased amount of lymphocytes in blood, typically caused by viral infection

11

Lymphocytopenia

Less lymphocytes in blood caused by immune deficiencies, neoplasia, drugs

12

Infectious mononucleosis

Acute inflammation of B lymphocytes caused by Epstein-Barr virus

13

Panycytopenia

Reduction of all formed element components of the blood (RBCs WBCs platelets)

14

Acute leukaemia

Rapid growth of VERY IMMATURE blood cells (ineffective cells that take up too much space, can be fatal!!)

15

Chronic leukaemia

Slow growth of mature (differentiated) blood cells which don't function normally

16

Thrombocytopenia

Too few platelets (decreased production or increased consumption)

17

Petechiae

Tiny red/brown/purple spot on skin less than 3mm caused by small vessels bleeding internally

18

Purpura

Red spots on skin larger than 5mm caused by small vessels bleeding internally

19

Thrombocythemia

Too many platelets

20

DIC

Disseminated intravascular coagulation - syndrome characterized by widespread activation of coagulation resulting in fibrin clots in small and medium sized vessels in body (supposed to work in specific limited areas)