title: A simple bedside test to identify ulnar collateral flow.
authors.forename: K
authors.initials: K
authors.lastname: O'Mara
authors.forename: B
authors.initials: B
authors.lastname: Sullivan
mesh_terms: D003097:Collateral Circulation; D006801:Humans; D010092:Oximetry / Q000379:methods*; D017534:Radial Artery / Q000502:physiology*; D017535:Ulnar Artery / Q000502:physiology*