Results Blood Gas Data for Simultaneous Radial Artery and Earlobe Arterialized Blood Samples Radial artery Mean SD (range ) Arterialized Earlobe Mean SD (range ) pH (pH Unit) 7.43 0.02 (7.4 – 7.46) PO 2 (mmHg) 42.1 3.66 (38 – 47)42.9 3.88 (37 – 50) PCO 2 (mmHg) 34.1 1.88 (31 – 37) 33.12 2.38 (29 – 37) SaO 2 (%) 79.0 3.85 (75 – 84.5)79.9 3.29 (74 –85.6)
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