Unit 12 - Intro to Anemia Flashcards
Anemia definition
Decrease in the competence of blood to supply tissues with oxygen
What is the result of anemia?
Tissue hypoxia
Anemia is not an actual ___, but a(n) ____
Disease/Pathology
Expression of underlying RBC deficit
Diagnostic evaluation for Anemia based on
Signs/Symptoms
Patient History
Physical examination
Lab findings
At 10,000 feet, “normal” hgb is ____
2 g/dL higher
Mild anemia in adults and children range
10-12 g/dL
Moderate anemia in adults and children range
7-10 g/dL
Severe anemia in adults and children range
<7 g/dL
Degrees of anemia are different in what populations
Neonates
Pregnant women
High altitude residents
Smokers
S/S of anemia
Fatigue
Pallor
Heart palpitations
Shortness of Breath
Dizziness
Headache on exertion
What are the adaptive mechanisms to anemia?
Get RBCs to the tissues faster
Diver O2 from low O2 organs to vital organs
Increase tissue efficiency in using oxygen
How would the body get RBCs to tissues faster?
Increase cardiac output
Increase cardiac rate
Increase circulation rate
Low O2 requiring tissues
Skin
Kidneys
High O2 requiring tissues
Heart
Brain
The bone marrow can increase production by how much in response to anemia?
6-8 times
