Other definitions of apnea that may be used include at least a 4% drop in oxygen in the blood, a direct result of the reduction in the transfer of oxygen into the blood when breathing stops.
Muud mõisted apnoe, mida võib kasutada sisaldama vähemalt 4% langus hapnikku veres, otsese tulemusena väheneb üleandmine hapnikku verre kui hingamine seiskub.