释义 |
alveolar-arterial oxygen difference al·ve·o·lar-·ar·te·ri·al ox·y·gen dif·fer·encethe difference or gradient between the partial pressure of oxygen in the alveolar spaces and the arterial blood: P(A-a)02. Normally in young adults this value is less than 20 mm Hg. See also: alveolar gas equation. al·ve·o·lar-ar·te·ri·al ox·y·gen dif·fer·ence (al-vē'ŏ-lăr-ahr-tēr'ē-ăl ok'si-jĕn dif'ĕr-ĕns) The gradient between the partial pressure of oxygen in the alveolar spaces and the arterial blood: P(A-a)02. Normally, in young adults this value is less than 20 mmHg. |