| AADO2, (a-A) DO2 | arterio-alveolar oxygen tension difference |
|---|---|
| A-a O2 | alveolo-arterial oxygen tension |
| AaPCO2, (A-a)PCO2 | alveolo-arterial carbon dioxide tension difference |
| AaPO2, (A-a) PO2 | alveolo-arterial oxygen tension difference |
| ATS | Achard-Thiers syndrome; acid test solution; alpha-D-tocopherol acid succinate; American Thoracic Soc... |
| tissue tension | A theoretical condition of equilibrium or balance between the tissues and cells whereby overaction of any part is restrained by the pull of the mass. (05 Mar 2000) |
|---|---|
| low tension glaucoma | Optic nerve atrophy and excavation with typical field defects of glaucoma but without abnormal increase in intraocular pressure. (05 Mar 2000) |