ʻO ka pulse oximeter kahi lāʻau lapaʻau e ana i ka ʻike o ka oxygen i loko o ke koko koko o ka mea maʻi.Hāʻawi nā Pulse oximeters i kahi ala non-invasive e ana i ka saturation oxygen koko a i ʻole ka saturation hemoglobin arterial.Hiki i ka Pulse oximeter ke ʻike i ka pulse arterial, no laila hiki iā ia ke helu a hoʻomaopopo i ka puʻuwai o ka mea maʻi.