Self-administered at-home lung ultrasound with remote guidance in patients without clinical training.

"Declarations Ethics approval and consent to participateThe study was conducted in accordance with the Declaration of Helsinki, and approved by the Institutional Review Board. REB approval was obtained from the Markham-Stouffville Hospital REB on January 19, 2021, approval number 114-2005. IRB approval was obtained through Veritas IRB on June 10, 2021, approval number 2711-6311-4 for studies involving humans. Informed consent was obtained from all participants. Consent for publicationNot applicable. Competing interestsButterfly iQ had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results. Rocket Doctor Inc. funded the research coordinator, shipping costs, and ancillary items. Beyond funding the research team (NE, BC, YS, FE), Rocket Doctor did not play a role in the design of the study, analysis, interpretation of the data, and in writing the manuscript. Rocket Doctor was utilized as the telehealth platform for data collection. The study was run independently and was not influenced in any way by the funding body. Competing interests Butterfly iQ had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results. Rocket Doctor Inc. funded the research coordinator, shipping costs, and ancillary items. Beyond funding the research team (NE, BC, YS, FE), Rocket Doctor did not play a role in the design of the study, analysis, interpretation of the data, and in writing the manuscript. Rocket Doctor was utilized as the telehealth platform for data collection. The study was run independently and was not influenced in any way by the funding body."

"Funding Butterfly iQ ultrasound devices contributed by Butterfly Network. Research coordinator, shipping costs and ancillary items funded by Rocket Doctor Inc. Beyond funding the research team, Rocket Doctor did not play a role in the design of the study, analysis, interpretation of the data, and in writing the manuscript. Rocket Doctor was utilized as the telehealth platform for data collection. The study was run independently and was not influenced in any way by the funding body."

"Trial registration The clinical trials has been registered (clinicaltrials.gov). Registration number: NCT04967729"