Medical Abbreviation
AS
AS is a medical abbreviation with more than one meaning — most commonly Aortic stenosis / Left ear. Its meaning depends on the clinical context.
What does AS mean?
| Meaning | Context | Field |
|---|---|---|
| Aortic stenosis | Heart valve narrowing | Cardiology |
| Left ear (auris sinistra) | Ear examinations and drops | ENT |
| Ankylosing spondylitis | Inflammatory spine disease | Rheumatology |
Why it matters
AS as "aortic stenosis" (heart) versus "auris sinistra / left ear" (ENT) are unrelated. The ear abbreviations (AS, AD, AU) are often discouraged for safety.
Frequently asked questions
Does AS mean aortic stenosis or left ear?
Both. In cardiology it means aortic stenosis; in ear (ENT) notes it can mean the left ear (auris sinistra).
Related abbreviations
Study reference only — not medical advice. Always consult qualified sources and supervisors for clinical decisions.