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4 Cards in this Set
- Front
- Back
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What is the general definition of anemia?
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- decrease in the number of circulating erythrocytes (RBCs)
- causes decreased Hb and Hct lab values (though some anemias may have normal values, e.g. acute blood loss anemia) |
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Name nine signs and symptoms of anemia.
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palpitations
systolic cardiac murmurs high-output heart failure pallor orthostatic hypotension (when low volume) fatigue dizziness syncope angina |
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Describe the peripheral blood smear in the setting of blood loss.
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- initially normal
- as production increases, retic count increases - mobilization of platelets and leukocytes lead to thrombocytosis and leukocytosis |
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Why is hematocrit a poor indicator of anemia in the setting of acute blood loss?
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Hct will not change until extra- and intravascular fluids have had time to re-equilibrate, i.e. until intravascular volume has been restored
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