Heart-failure definition and LVEF classification — ACC/AHA · 2022 guideline reading
2022 AHA/ACC/HFSA heart failure guideline
The heart-failure guideline frames assessment through the definition of heart failure, disease stage, and classification by left-ventricular ejection fraction, with a dedicated diagnostic algorithm for LVEF-based classification.
Last source-check date
2026-08-24
Exact source location
Sections 2.1–2.3, ‘Definition of HF’, ‘Stages of HF’, and ‘Classification of HF by LVEF’, pp. e901–e905
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This record is prepared from a stored source. It is not labelled reviewer-verified because named reviewer provenance has not been documented.
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- Last source-check date
- 2026-08-24
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Verification status & editorial record
Status: Prepared source record — reviewer provenance not documented.
Last source-check: 2026-08-24
No formally approved public metadata is currently available for a named reviewer, second-review status, conflict declaration, publication or access date, version history, or next review date for this record.
Verification boundary: This concise reading is limited to a prepared guideline passage, not a recommendation or complete algorithm. Verify the official document, local protocol, and patient context before application.