Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A17-year-old male (patient 3) with past medical history of asthma presented to the emergency department with increased work of breathing and hypoxia. Axial contrast-enhanced CT chest in lung windows demonstrates asymmetric bilateral ground-glass opacities with subpleural sparing (arrows) and reverse halo signs (arrowheads)
