We read with interest the paper from Knight et al in Acute Medicine in particular the use of a lung ultrasound (LUS) score to predict outcome in patients with suspected COVID-19. LUS has been shown to be useful in the diagnosis and prognosis for COVID-19 by other authors. We have carried out a service evaluation project on our data from East Surrey Hospital looking into prognostic and diagnostic performance of LUS in suspected COVID-19. In contrast to the data used by Knight et al we had discharge diagnosis data available which allowed us to split the cohort into patients with COVID-19 and patients with other diagnoses and compare the LUS score between the two groups.
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