POCT Flashcards
What is the main limitation of POCT
Cost
Where can POCT devices be found?
ED
OR
Radiology
What are advantages of POCT?
- Portability
- Reduced TAT
- Smaller blood specimen required
- Reduced hospital stay
What are disadvantages of POCT?
-Hard to control inventory
-cost
-Maintenance of QC and QA
-Manual entry of data
What are accuracy requirements of POCT?
- Comparable with central lab
- Daily QC
- Proficiency and competency testing
What are the staff members responsible for POCT?
- Director (responsible)
- Coordinator
- Administers
What does LIS stand for?
Laboratory informatics system
What is the LIS responsible for?
Interfacing
Reduces errors with data entry
What are characteristics of a good POCT device?
- Portable
- Reagent cartridges
- Results w/i minutes
- minimal operating steps
- Tests whole blood samples
- Built in calibrator and QC
- produces results close to the lab
What is “CLIA-waived” ?
Reference to a devices ability to being simple and low risk for producing incorrect results.
- Not used in Canada
What are examples of devices?
Glucometers
Rapid tests
FOBT
How do glucometers measure?
- electrochemical measurements
- using biosensors
What are rapid tests?
COVID
Pregnancy
What is the difference between devices and non instrument based POCT?
Data has to be manually entered for non instrument based POCT
How do pregnancy tests work?
They test hCG and Beta-hCG levels (as early as 12 days after late period.
