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Neither the Centers for Disease Control (CDC) nor the Society of Thoracic Radiology (STR) recommends CXR or CT to diagnose COVID-19. The STR specifically recommends that chest CT scanning be restricted to patients who test positive for COVID-19 AND are suspected of having pulmonary complications, such as abscess or empyema.
However, you will probably be presented with CT scans of patients suspected of having COVID-19. About half of patients with COVID-19 have normal CT scans 0-2 day after onset of symptoms. Conversely, patients may test negative for the disease, but have an abnormal chest CT. As a radiologist, you need to be aware of the typical CT features of this disease.
In this video, Dr. Michael Chung and Dr. Adam Bernheim, leading experts on this subject, will show you the typical CT scan findings of COVID-19 pneumonia and how the findings progress over the course of the disease.