
Phlebotomy Essentials (Chapter 11 Key Terms)
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Hyponatremia Low blood sodium
Hypoxemia Low level of oxygen in the blood
iCa2 Ionized calcium
INR International Normalized Ratio
K+ Potassium
Lactate
A form of lactic acid that is used as a
marker of the severity of metabolic aci-
dosis and a patient's stress response
Lookback
Program that requires all components
of a unit of blood to be traceable back
to the donor and that also requires no-
tification to all blood recipients when
a donor for a blood product they have
received had turned positive for a
transmissible disease
Lysis Rupturing, as in the bursting of RBCs
NIDA National Institute on Drug Abuse
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