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