The time cost of physiologically ineffective intravenous fluids in the emergency department: an observational pilot study employing wearable Doppler ultrasound. - Kenny JS; Gibbs SO; Johnston D; Yang Z; Hofer LM; Elfarnawany M; Eibl JK; Johnson A; Buecker AJ; Lau VC; Kemp BO (Journal of intensive care, 2023)