Acad Emerg Med. 2020 Sep 23. doi: 10.1111/acem.14137. Online ahead of print.
A strong association between PE and patients hospitalized with COVID-19 (15.3% overall range 0-35%) has been reported, but the prevalence in ED patients remains unknown. The contribution of traditional risk factors is likewise unclear. While Freund et al. attempted to answer to this question, we have methodologic concerns we feel require attention before emergency physicians proceed as if COVID-19 does not increase risk of PE.