Let me just ask this. Sensitivity and specificity have been tossed around all week. Why is no one talking about positive predictive value of ct in an resource limited endemic area with extremely delayed or unavailable “gold standard” PCRs?https://twitter.com/skepticalIDdoc/status/1241366011405795330 …
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Replying to @danortizmd
But Dan aren’t specificity an PPV tied? I mean I’m open to keeping this dialogue running, but jamming up beds and tying up supplies for other flu-like illnesses right now is a big deal, no matter your practice setting.
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Replying to @Justinrt4444 @danortizmd
Other viral illnesses are pretty much a nonstarter- they rarely cause significant CT findings and most are safe to go home. With the rising COVID prevalence CT can be diagnostic and in gray cases COVID until proven otherwise. We need to learn more from what the Chinese did.
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Replying to @grepmeded @danortizmd
You’re just wrong, and the issue goes beyond other viral pneumonia’s...mycoplasma, HSP, other atypical pna, etc. Again, the discussion probably shouldn’t die, specifically as prevalence rises, but right now the ACR guidelines are fine.
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IMO these tend to look very atypical from those atypical pneumonia’s however... it’s not just presence of ground glass but pattern
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