UMLS Metathesaurus Concepts (CUIs) Terms (LUIs) Strings (SUIs) C0004238 L0004238 S0016668 (preferred) (preferred) (preferred) Atrial Fibrillation Atrial Fibrillation Atrial Fibrillation Atrial Fibrillations Atrial Fibrillations S0016669 Auricular Fibrillation Atrial Fibrillations Auricular Fibrillations L0004327 S0016899 . (synonym) (preferred) . Auricular Fibrillation Auricular Fibrillation . Auricular Fibrillations S0016900 . (plural variant) . Auricular Fibrillations ↓ 情報G7 SubProject 8 Multi-Language Digital Anatomical Database