| PAT | Pain Apperception Test; paroxysmal atrial tachycardia; patient; phenylaminotetrazole; physical abili... |
|---|---|
| CAT | California Achievement Test; capillary agglutination test; catalase; cataract; catecholamine; Childr... |
| TAT | tetanus antitoxin; thematic apperception test; thematic aptitude test; thrombin-antithrombin complex... |
| ACO | acute coronary occlusion; alert, cooperative, and oriented; anodal closure odor |
| AOO | anodal opening odor; atrial asynchronous (competitive, fixed-rate) [pacemaker] |