title: Is ultrasound necessary for routine axillary block?
authors.forename: Richard K
authors.initials: RK
authors.lastname: Baumgarten
authors.forename: Gale E
authors.initials: GE
authors.lastname: Thompson
mesh_terms: D001365:Axilla / Q000294:innervation*; D005542:Forearm / Q000294:innervation; D006801:Humans; D009138:Musculocutaneous Nerve / Q000000981:diagnostic imaging*; D009407:Nerve Block / Q000379:methods*; D014463:Ultrasonography