Guidelinevery high evidence
AHA/ACC/ESC/WHF Expert Consensus Document: Second Universal Definition of Heart Failure (2026).
European heart journal·June 29, 2026·PMID 42366993
Why it mattersStandardized terminology and classification are essential for consistent diagnosis, risk stratification, and treatment across global settings. This update reflects recent advances in prevention and management, and explicitly incorporates patient-centered outcomes and health equity considerations.

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