ch 30 hematologic problems - book/1 Flashcards
anemia is defined as
3
- def in the number of RBCs
- def in quantity or quality of hgb
- low volume of PRBCs (hematocrit)
anemia is dx based on
3
- CBC
- reticulocyte count
- peripheral blood smear
most accurate means of classifying anemias
morphology
thalassemias is caused by
decreased globin synthesis
CM of anemia are caused by the body’s response to
tissue hypoxia
anemia s/s mild state
may be w/o s/s
mild state anemia s/s if present
- palpitations
- dyspnea
- mild fatigue
mild anemia hgb level
10-12
moderate anemia hgb level
6-10
severe anemia hgb level
<6
anemia acute interventions include
4
- blood transfusions
- drug therapy (EPO, vitamins)
- RBC replacement
- oxygen therapy
nutrition - encourage
high iron foods
is anemia a normal finding in older adults
no
clinical manifestations of anemia in older adults may include
5
- pallor
- confusion
- ataxia
- fatigue
- worsening CV and respiratory problems
iron def anemia can be caused by
malabsorption of irone from GI surgery and malabsorption syndromes; removal or bypass of the duodenum
how much blood must be lost to show melena (blood in stool)
50-75 mL