Preanalytical Considerations
Peak levels of this analyte typically occur around 08:00 hours.
What is Cortisol?
A test that may require special chain-of-custody documentation when the specimen is collected.
What is a drug screen?
What is a significantly abnormal test result?
Failure to exercise 'due care'.
What is negligence?
What is the radial artery?
Veins that feel hard & cord-like when palpated.
What is the effect of thrombosis?
A type of specimen needed for a guaiac.
What is Feces?
A test specimen that can be analyzed without being centrifuged.
What is hemoglobin A1c in an EDTA tub?
This is a delta check.
What is comparing current test results with previous results?
This test should be used to determine if collateral circulation is present.
What is the purpose of the modified Allen test?
A patient is swollen with excess fluids.
What is edema?
A test that must have 9:1 ratio of blood to anticoagulant in the collection tube.
What is Protime?
A federal agency that regulates the transporting of biological specimens off site.
Who are the DOT and IATA?
What is proper patient identification?
Arteriospasm, hematoma, and infection are complications from this.
What is arterial puncture?
An error that allows reflux to occur.
What is filling the tube stopper end first?
A test collected in a trace-element-free tube.
What is aluminum?
Blood specimens transported by courier must be protected from this.
What is direct sun exposure?
Patient agrees to a procedure after being told of the consequences associated with it.
What is informed consent?
Primary reason for performing arterial puncture.
What is to evaluate blood gases?
This results in hemoconcentration.
What is leaving the tourniquet on over 1 minute?
Common chemistry tests performed by POCT instruments.
What are Na and K?
Basis of the decision to interface with a POC analyzer.
What is the impact of test result on patient?
For example, a physician is sued for negligence due to the actions of an inexperienced, contracted phlebotomist hired to cover summer vacations.
What is vicarious liability?
Sign that thrombus has formed in the artery while you collected ABG.
What is a weak pulse?