title: Digital block improves pulse oximetry signal in vasoconstricted patients.
authors.forename: P D
authors.initials: PD
authors.lastname: Erasmus
mesh_terms: D005385:Fingers; D006801:Humans; D016343:Monitoring, Intraoperative / Q000379:methods*; D009407:Nerve Block; D010092:Oximetry / Q000379:methods*