PMC9190774_01
SARS CoV-2 cycle threshold (cT) over time and chest X-rays from Day 13 (left) showing widespread patchy airspace opacification and Day 16 (right) post-intubation showing a large volume pneumomediastinum, with "continuous diaphragm" sign and gas extending superiorly into the neck and inferiorly below the diaphragm.
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CXR showed widespread patchy airspace opacification in keeping with COVID-19 pneumonitis (see  Figure 1 ).