RDT Quiz A Q1: Difference between revisions

Latest revision as of 00:10, 26 November 2024

RDT Quiz A Q1

RDT tests use specific antibodies to identify the malaria species. But are these tests equally effective for diagnosing all species?

Explanation of correct answer (click "Expand").

Short answer taken from section "Main RDT page" (see the section for full details and links).

The different malaria species are detected with different sensitivity. The table below provides an overall summary of the sensitivity that can be expected for RDT tests (the specific section in the main section provides more detail).

*P.falciparum*
At high parasitaemia expect high sensitivity (90-95%). This declines when parasite levels are lower (45-70%)
*P.vivax*
Expect moderate to high sensitivity at high parasitaemia (70-90%). This declines markedly when parasite levels are lower (30-60%)
*P.ovale & P.malarae*
Generally sensitivity is poor (approximately half the sensitivity shown for P.vivax)
*P.knowlesi*
Reports suggest variable sensitivity that may depend on test used, RDTs are reported tp detect this species well when parasitaemia is high.

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 |colspan="1" style = "font-size:130%; color:black; background: FFFAFA"|<span style="color:black>'''RDT Quiz A Q1'''</span>
-</br><span style="font-size:90%">RDT tests use specific antibodies to identify the malaria species. Users often believe that these tests  are equally effective for diagnosing all species, but this is not true.</br></br></span>
+</br><span style="font-size:90%">RDT tests use specific antibodies to identify the malaria species. But are these tests equally effective for diagnosing all species?</br></br></span>
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-{<span style="font-size:90%">For which malaria species do appropriate RDT tests have best sensitivity ('''make two selections''')?'''</br></br>
+{<span style="font-size:90%">When using an appropriate RDT tests which species are identified with good sensitivity (80-90%)? '''Make two selections'''</br></br>
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 +<span style="font-size:90%"> ''P.falciparum''
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-! colspan="1" | Explanation of correct answer (click "Expand")
+! colspan="1" |<span style="font-size:90%">Explanation of correct answer (click "Expand").</span>
 |-
-|</b><span style="font-size:90%"><span style="font-size:90%">Short answer taken from section "Main RDT page" (see the section for full details and links).</br></br>The different malaria species are detected with different sensitivity. The table below provides an overall summary of the sensitivity that can be expected for RDT tests (the specific section in the main section provides more detail).</span></br></br>
+|</b> <span style="font-size:90%">''Short answer taken from section "Main RDT page" (see the section for full details and links)''.</br></br>The different malaria species are detected with different sensitivity. The table below provides an overall summary of the sensitivity that can be expected for RDT tests (the specific section in the main section provides more detail)''.</span></br></br>
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RDT Quiz A Q1: Difference between revisions

From MalariaETC

Latest revision as of 00:10, 26 November 2024