Low-dose sub-millisievert chest CT for the diagnosis of COVID-19

While the clinical utility and use of CT in this situation is a bit controversial, it is good to understand that excellent diagnostic CT information can be obtained in the very low radiation dose sub-millisievert range. Particularly in times of poor PCR test availability or delayed PCR results, very low dose Chest CT is quick and may have a valuable clinical function. [See this article in Radiology: Cardiothoracic Imaging or Aunt Minnie]