Arterial Blood Gas Core Values Core Values Listen Visualize Observe Authored by William A. French. Medically reviewed by Dr. Barbara Erickson, PhD, RN, CCRN. LessonsOverview✓Core ValuesIndicationsArterial PunctureRadial ArteryBrachial ArteryFemoral ArteryAllen TestProcedure 1Procedure 2Blood Gas AnalysisBlood Gas AnalyzerElectrodesErrorsQuality ControlConclusion Medically reviewed: William A. French