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Point of care test: Difference between revisions
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(Created page with "A '''point of care test''' (POCT), also called a '''bedside test''', is a test which can analyse a sample for one or more biomarkers without the use of laboratory equipment. The name comes from how the test can be performed at the point of patient care, usually the bedside. POC tests have many advantages and are widely used. == Commonly used POC tests == * Rapid tests ** Rapid strep test or rapid antigen detection test for streptococcal pharyngitis ** CRP ** [...") |
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A '''point of care test''' (POCT), also called a '''bedside test''', is a test which can analyse a sample for one or more biomarkers without the use of laboratory equipment. The name comes from how the test can be performed at the point of patient care, usually the bedside. | A '''point of care test''' (POCT), also called a '''bedside test''', is a test which can analyse a sample for one or more biomarkers without the use of laboratory equipment. The name comes from how the test can be performed at the point of patient care, usually the bedside. | ||
POC tests have many advantages and are widely used. | POC tests have many advantages and are widely used. They are resource-sparing, cheap, and quick. | ||
== Commonly used POC tests == | == Commonly used POC tests == | ||
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** [[CRP]] | ** [[CRP]] | ||
** [[Leukocytes|Leukocyte]] with differential count | ** [[Leukocytes|Leukocyte]] with differential count | ||
** [[Urine dipstick test]] | |||
** Pregnancy ([[hCG]] in urine) | ** Pregnancy ([[hCG]] in urine) | ||
** [[Faecal occult blood test]] | ** [[Faecal occult blood test]] | ||
| Line 20: | Line 21: | ||
** [[Arterial blood gas]] | ** [[Arterial blood gas]] | ||
** Automatic [[Urine dipstick test|urine dipstick]] evaluation | ** Automatic [[Urine dipstick test|urine dipstick]] evaluation | ||
== Requirements == | |||
A POCT must: | |||
* Give results rapidly | |||
* Have quality comparable to laboratory tests | |||
* Be easy to use | |||
* Be safe to use | |||
* Be affordable | |||
* Undergo regular maintenance and quality control | |||
== Advantages and disadvantages == | |||
Advantages | |||
* Fast results | |||
* Small amounts of sample required | |||
* No sample storing | |||
* No sample packing | |||
* No sample transport | |||
Disadvantages | |||
* Easy to fail to: | |||
** Perform the test properly | |||
** Calibrate regularly | |||
** Maintain regularly | |||
** Store reagents appropriately | |||
** Interpret results correctly | |||
== Point of care test methods == | == Point of care test methods == | ||
* Immunochromatography | |||
** Faecal occult blood test | |||
** Pregnancy test | |||
** Procalcitonin | |||
** Microbiology | |||
** COVID test | |||
* Enzymatic | |||
** Glucose | |||
* Electrode | |||
** Blood gas | |||
[[Category:Laboratory Medicine]] | [[Category:Laboratory Medicine]] | ||