- Abdominal Aortic Aneurysm
- Achilles tendinitis
- Achilles tendon rupture
- Acid Reflux (GERD)
- ACL injury
- Acne
- Acoustic Neuroma
- Acquired Immunodeficiency
- Acute Bronchitis
- Acute Heart Failure
- Acute liver failure
- Acute Sinusitis
- Addison’s disease
- Adenomyosis
- Adult Still’s Disease
- Alanin aminotransferaza
- Alanine aminotransferase
- Albumin
- Alcoholic hepatitis
- Alcoholism