AS

• above scale;

• absence of seizures;

• access service [to health information];

• acetylstrophanthidin;

• acidified serum;

• acoustic schwannoma;

• acoustic stimulation;

• active sarcoidosis;

• active sleep;

• Adams-Stokes [disease];

• adolescent suicide;

• aerosol sensitivity;

• aerosol sensitization;

• allele-specific;

• Alport syndrome;

• alveolar sac;

• amphetamine sulfate;

• amyloid substance;

• anabolic steroid;

• anal sphincter;

• androsterone sulfate;

• Angelman syndrome;

• angiosarcoma;

• ankylosing spondylitis;

• anorexia site [database, Italy];

• anovulatory syndrome;

• anterior synechia;

• anteroseptal;

• anterosuperior;

• antiserum;

• antisocial;

• antistreptolysin;

• antral spasm;

• anxiety state;

• aortic sound;

• aortic stenosis;

• approaching significance [statistical];

• aqueous solution;

• aqueous suspension;

• archives server;

• area of stenosis;

• arteriosclerosis;

• artificial sweetener;

• aseptic meningitis;

• asparagine synthetase;

• Asperger syndrome;

• assisted suicide;

• astigmatism;

• asymmetric;

• atherosclerosis;

• atrial septum;

• atrial stenosis;

• atropine sulfate;

• audiogenic seizure;

• Auto-Suture;

• left ear [Lat. auris sinistra;

• JCAHO unapproved abbreviation]