Sample Considerations and Special Procedures Flashcards
It is COLLECTED FROM A PATIENT in the morning before the patient has had breakfast and before any activities.
Fasting Sample
This indicates that the patient SHOULD NOT BE GIVEN ANYTHING TO DRINK OR EAT.
NPO (nulla per os)
After the blood is drawn on a patient with restrictions, the patient may be
Released from the restriction
To obtain patient fasting to ensure accuracy, some tests require diet restrictions.
- No alcohol for a number of hours
- Limitations on certain foods and medicines
Fill in the blanks:
The fasting test just drawn may be ___ of several tests for which the patient must remain fasting.
Only one
These EFFECTS may be exhibited where values in the patients vary throughout the day, such as serum iron, corticosteroid, and other hormones.
Diurnal Effect
It is a CORTISOL TEST drawn on a patient at 8:00 AM and then at 4:00 PM.
Common Diurnal Test
How many hours has DIURNAL EFFECT active on a person?
8 hours
What are the TYPES OF DRUGS that are monitored at a particular time of day?
- Aminoglycosides
- Coagulation Therapy Monitoring
- Digoxin
- Other types of drugs
This PROVIDES INFORMATION that will allow the dose given to the patient to be effective but not toxic.
Therapeutic Drug Monitoring (TDM)
The PRESAMPLE COLLECTED when the drug is at the LOWEST LEVEL in the patient known as?
Trough Level (Predose)
How many minutes is TROUGH usually administered?
30 minutes
Once the drug has been COMPLETELY ADMINISTERED for a specific period, this one is collected.
It should be collected when the drug is at its HIGHEST LEVEL in the patient.
Peak Level (Postdose)
PEAK LEVEL should be collected when the drug is what?
The drug is at its highest level in the patient
The PEAK LEVEL should fall somewhere in?
Therapeutic Range
What are the other types of Aminoglycosides?
- Amikacin
- Gentamicin
- Tobramycin
How many minutes does PREDOSE (Aminoglycosides) take?
30 minutes before infusion
How many minutes does POSTDOSE (Aminoglycosides) take?
5 minutes after 30 minutes infusion
How many minutes does PREDOSE (Vancomycin) take?
30 minutes before infusion
In what hour does POSTDOSE (Vancomycin) take?
1 hour after a 1-hour infusion
The draw times MAY BE OFF by, how many minutes?
10-15 minutes
It is ONE THE MOST VARIABLES order.
Stat
Stat testing on average takes the laboratory, how many minutes to complete after the sample is received?
45 minutes to 1 hour
Results of ASAP REQUESTS are typically available in what specific hours?
2-4 hours
Routine samples are typically collected during?
Early morning or next scheduled early evening collection
What are the FOUR TYPES OF SPECIAL COLLECTION TECHNIQUES for the accuracy of the procedures?
- Alcohol
- Chain of Custody
- Heavy Metals
- Therapeutic Phlebotomy
What SOLUTIONS ARE ACCEPTABLE?
- Zephrin
- Chloride
- Soap
- Hydrogen Peroxide
What SOLUTION IS NOT ACCEPTABLE?
Povidone-Iodine (Betadine)
ALCOHOL SWABBING of the phlebotomy site, even when allowed to dry, it contaminates what?
- Blood samples
- Falsely raises the alcohol level of the patient
It is WHERE THE RESULTS will possibly used in a court case.
The FORM INDICATES whom the person received the sample from, whom it was given to, and the length of time the person had the sample.
Chain of Custody
Why is the SAMPLE TRANSPORTED in a LOCKED BOX?
- To prevent the possibility of switching or tampering with it
What is the COLOR OF the RUBBER STOPPER TUBE used in HEAVY METALS that may or may not contain anticoagulants?
Royal-blue stoppered tubes