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