PMC:7156903 / 10193-11546
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7156903","sourcedb":"PMC","sourceid":"7156903","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7156903","text":"Chest radiograph of COVID-19 is not routinely recommended in clinical practice currently because they are insensitive to detecting COVID-19 in the early stage. However, chest radiography may have some utility, with the potential to serve as a screening tool on the frontlines in medical settings with limited resources or in cases where the patient’s physical condition does not allow for transport to the radiology department CT scanner. As the disease progresses beyond the early stage, chest radiography can detect multiple patchy opacities throughout the lungs. These opacities eventually become confluent and severe cases may appear as a “whited out lung” [15]. In more advanced cases, in addition to the ground glass opacity and consolidation, even pleural fluid (in a severe case) has been reported on the chest radiographs [2, 16]. Progressive opacities and consolidation have been observed on chest radiographs over the time course of the illness [17]. In the first case of COVID-19 reported in the USA, there were no obvious abnormalities on the chest radiograph during the early stages after the onset of symptoms. However, on day 9 of the illness, an increased area left basilar opacity was visible on chest radiography. Then, stable streaky opacities in the lung bases were visible, and the opacities have steadily increased over time 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