Rapid diagnostic test
Rapid Diagnostic Test
A Rapid Diagnostic Test (RDT), pronounced /ˈræpɪd daɪəgˈnɒstɪk tɛst/, is a medical test that is quick and easy to perform. RDTs are suitable for preliminary or emergency medical screening and for use in medical facilities with limited resources. They also provide quick results, typically in less than 30 minutes.
Etymology
The term "Rapid Diagnostic Test" comes from the English words "rapid" (meaning quick), "diagnostic" (meaning related to the identification of a disease or condition), and "test" (meaning an examination to determine the presence or absence of something).
Types of Rapid Diagnostic Tests
There are many types of RDTs, including those for malaria, HIV, syphilis, and hepatitis. These tests typically involve the use of a small sample of blood, urine, or saliva.
Malaria Rapid Diagnostic Test
A Malaria Rapid Diagnostic Test (MRDT) is a type of RDT that can quickly detect the presence of malaria parasites in a person's blood.
HIV Rapid Diagnostic Test
An HIV Rapid Diagnostic Test (HRDT) is a type of RDT that can quickly detect the presence of HIV antibodies in a person's blood or saliva.
Syphilis Rapid Diagnostic Test
A Syphilis Rapid Diagnostic Test (SRDT) is a type of RDT that can quickly detect the presence of syphilis antibodies in a person's blood.
Hepatitis Rapid Diagnostic Test
A Hepatitis Rapid Diagnostic Test (HRDT) is a type of RDT that can quickly detect the presence of hepatitis antibodies in a person's blood.
Advantages and Disadvantages
RDTs have several advantages, including their speed, ease of use, and the fact that they do not require a laboratory or highly trained staff. However, they also have some disadvantages, such as the potential for false positives or negatives, and the fact that they cannot provide a definitive diagnosis.
See Also
External links
- Medical encyclopedia article on Rapid diagnostic test
- Wikipedia's article - Rapid diagnostic test
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