title: Practical knobology for ultrasound-guided regional anesthesia.
abstract: This article provides an instructive review of the essential functions universal to modern ultrasound machines in use for regional anesthesia practice. An understanding of machine knobology is integral to performing safe and successful ultrasound-guided regional anesthesia.
authors.affiliation: Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, Ontario, Canada. richard.brull@uhn.on.ca
authors.forename: Richard
authors.initials: R
authors.lastname: Brull
authors.forename: Alan J R
authors.initials: AJ
authors.lastname: Macfarlane
authors.forename: Cyrus C H
authors.initials: CC
authors.lastname: Tse
mesh_terms: D000765:Anesthesia, Conduction / Q000295:instrumentation*; D002138:Calibration; D006801:Humans; D011846:Radio Waves; D013673:Technology Assessment, Biomedical / Q000379:methods*; D014159:Transducers; D018615:Ultrasonography, Doppler, Color / Q000295:instrumentation* / Q000592:standards; D018084:Ultrasonography, Interventional / Q000295:instrumentation* / Q000592:standards