The time cost of physiologically ineffective intravenous fluids in the emergency department: an observational pilot study employing wearable Doppler ultrasound.

"Declarations Ethics approval and consent to participateWritten and informed consent was obtained for all patients and the study was approved by the Peoria Institutional Review Board (# 1697834-5). The study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments. Consent for publicationWritten and informed consent was obtained for both patients for publication of this report and accompanying images. Competing interestsJESK, SOG, DJ, ZY, LMH, ME, JKE work for Flosonics Medical, the start-up building the wearable Doppler ultrasound. AJ, AJB, VCL, BOK declare no competing interests. Competing interests JESK, SOG, DJ, ZY, LMH, ME, JKE work for Flosonics Medical, the start-up building the wearable Doppler ultrasound. AJ, AJB, VCL, BOK declare no competing interests."

"Funding No specific funding supported this work."