La Radiologia medica
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La Radiologia medica · Dec 2020
Multicenter Study Comparative StudyBaseline chest X-ray in coronavirus disease 19 (COVID-19) patients: association with clinical and laboratory data.
To assess the reliability of CXR and to describe CXR findings and clinical and laboratory characteristics associated with positive and negative CXR. ⋯ CXR has a low sensitivity. LDH, CRP and interval between the onset of symptoms and the execution of CXR are major predictors for a positive CXR.
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La Radiologia medica · Dec 2020
Chest CT in patients with a moderate or high pretest probability of COVID-19 and negative swab.
We aimed to assess the diagnostic performance of CT in patients with a negative first RT-PCR testing and to identify typical features of COVID-19 pneumonia that can guide diagnosis in this case. ⋯ Negative RT-PCR test but positive CT features should be highly suggestive of COVID-19 in a cluster or community transmission scenarios, and the second RT-PCR test should be promptly requested to confirm the final diagnosis.