McConnell's sign assessed by point-of-care cardiac ultrasound associated with in-hospital mortality of COVID-19 patients with respiratory failure.
Shunichi DoiSatoru MitomoNoriko ShiokawaKanako TeramotoYuki IshibashiTakumi HigumaShigeki FujitaniYoshihiro J AkashiPublished in: Journal of echocardiography (2021)