I -pulse oximeter sisixhobo sonyango esilinganisa umxholo weoksijini kwi-arterial blood yesigulane. I-Pulse oximeters ibonelela ngendlela engeyiyo yokuvavanya ukugcwala kweoksijini yegazi okanye i-arterial hemoglobin saturation. I-Pulse oximeter iyakwazi ukubona i-arterial pulse, ngoko inokubala kwaye yazise ukubetha kwentliziyo yesigulana.