Article History
Received: 28 May 2020
Accepted: 4 June 2020
First Online: 12 June 2020
Ethics approval and consent to participate
: Not applicable. Drs. Zhou, Liu, and Nie were willing to be interviewed for their views and experiences on the handheld ultrasound.
: All authors approved the manuscript and agreed to submit to <i>Critical Care</i>.
: None.