Acute heart failure — de novo (first presentation)
Encounter flow
10/12 authoredCanonical 12-phase frame with authored status for this dossier.
Frame
De novo AHF = first presentation without prior HF diagnosis; mandates etiology workup + early GDMT after stabilization
de novo phenotype confirmed
Patient inputs (7)
De novo AHF in young patient broadens etiology (myocarditis, peripartum, congenital, drug/toxin)
Cardiorenal interaction; drives diuretic + RAAS dosing
Diagnostic + prognostic; trend predicts response to therapy
ACS rule-out is mandatory in de novo AHF; mild elevation common but persistent rise suggests ischemic etiology
Thyroid disease (hyper/hypo) can precipitate de novo AHF; mandatory in first-presentation workup
LVEF + RV + valvular + pericardial; cornerstone of de novo AHF phenotyping
BP-stratified phenotype: hypertensive AHF (SBP >140) vs normotensive vs hypotensive (cardiogenic shock)
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Severity triggers (5)
- informationallife_threateningde_novo_ahf_with_acs_etiologyDe novo AHF + ECG/troponin suggesting ACS — STEMI/NSTEMI/UA workup mandatoryTrigger could not be auto-evaluated — needs clinician judgement.
- informationallife_threateningde_novo_ahf_with_cardiogenic_shockDe novo AHF + SBP <90 + lactate ≥2 + cool extremities — cardiogenic shockTrigger could not be auto-evaluated — needs clinician judgement.
- informationallife_threateningde_novo_ahf_fulminant_myocarditis_suspicionDe novo AHF + young patient + recent viral illness + arrhythmia + rapid EF drop → fulminant myocarditisTrigger could not be auto-evaluated — needs clinician judgement.
- informationallife_threateningde_novo_ahf_acute_valvular_emergencyDe novo AHF + new severe MR (papillary rupture) or AR (aortic dissection, endocarditis) on echo → emergent CT surgeryTrigger could not be auto-evaluated — needs clinician judgement.
- informationalseverede_novo_ahf_peripartum_cardiomyopathyDe novo AHF in pregnancy or <5 mo postpartum without other identifiable etiology → peripartum CMPTrigger could not be auto-evaluated — needs clinician judgement.
Workflow calculators
Run this disease's risk and dosing calculators inline.
Recommended regimen
De novo AHF in-hospital GDMT initiation regimen — PIONEER-HF + EMPULSE-driven, BB only after stabilization- furosemidefirst lineloop_diuretic40-80 mg IV bolus q6-12h or continuous 5-10 mg/h • IV • q6-12h or continuoustriggers: de_novo_ahf_with_congestionDOSE trial PMID 21366472 — high-dose IV bolus or continuous infusion equivalent; titrate to UOP ≥1 mL/kg/hrxcui 4603
- metolazonesecond linethiazide_diuretic_long_acting2.5-10 mg PO 30 min before furosemide • PO • daily or BIDtriggers: diuretic_resistance_on_loop_aloneSequential nephron blockade for diuretic resistancerxcui 6916
- sacubitril-valsartanfirst linearni24/26 mg PO BID, titrate q1-2 weeks to 97/103 BID • PO • BIDtriggers: de_novo_hfref_post_stabilizationPIONEER-HF PMID 30403955 — in-hospital ARNI initiation safe + reduces NT-proBNP; criteria: 24h post-AHF, SBP ≥100, K <5.2, eGFR ≥30rxcui 1656328
- empagliflozinfirst linesglt2_inhibitor10 mg PO daily • PO • dailytriggers: de_novo_ahf_in_hospital_initiationEMPULSE PMID 35347356 — start in-hospital regardless of EF; clinical benefit at 90drxcui 1545653
- carvedilolfirst linebeta_blocker_nonselective_vasodilator3.125 mg PO BID, titrate q2 weeks • PO • BIDtriggers: de_novo_hfref_off_iv_inotropesCOPERNICUS PMID 11386262; ONLY initiate after stabilization off IV inotropes ≥24h + SBP ≥100rxcui 20352
- spironolactonefirst linemra25 mg PO daily • PO • dailytriggers: de_novo_hfref_with_eligible_renal_potassiumRALES PMID 10471456 — EF ≤35 + K <5 + eGFR ≥30rxcui 9997
- enalaprilsecond lineacei2.5 mg PO BID titrate • PO • BIDtriggers: arni_intolerant_or_unavailableAlternative if ARNI not available; CONSENSUS/SOLVDrxcui 203123
outpatient playbook — drug actions (1)
- 1. continue 4-pillar GDMTrxcui 593411ARNI + BB + MRA + SGLT2i at max tolerated • PO • as scheduledtrigger: HFrEFACC/AHA 2022 HF Class I
Auto-drafted A&P note
outpatientSubjective
- Possible entry pathways: New-onset dyspnea + edema + elevated NT-proBNP without prior HF diagnosis → de novo AHF; First-ever echo showing reduced LVEF + clinical AHF — de novo HFrEF; Pregnant or <5 mo postpartum + new AHF → peripartum CMP workup.
Objective
- No vitals, labs, or imaging entered for this encounter.
Assessment
**Acute heart failure — de novo (first presentation)** (cardio.acute-hf.de-novo.v1). Scope: De novo AHF = first presentation without prior HF diagnosis; mandates etiology workup + early GDMT after stabilization No severity triggers fired against current inputs.
Plan
Regimen axis: **De novo AHF in-hospital GDMT initiation regimen — PIONEER-HF + EMPULSE-driven, BB only after stabilization**. 1. furosemide 40-80 mg IV bolus q6-12h or continuous 5-10 mg/h IV q6-12h or continuous (loop_diuretic, first line) — DOSE trial PMID 21366472 — high-dose IV bolus or continuous infusion equivalent; titrate to UOP ≥1 mL/kg/h 2. metolazone 2.5-10 mg PO 30 min before furosemide PO daily or BID (thiazide_diuretic_long_acting, second line) — Sequential nephron blockade for diuretic resistance 3. sacubitril-valsartan 24/26 mg PO BID, titrate q1-2 weeks to 97/103 BID PO BID (arni, first line) — PIONEER-HF PMID 30403955 — in-hospital ARNI initiation safe + reduces NT-proBNP; criteria: 24h post-AHF, SBP ≥100, K <5.2, eGFR ≥30 4. empagliflozin 10 mg PO daily PO daily (sglt2_inhibitor, first line) — EMPULSE PMID 35347356 — start in-hospital regardless of EF; clinical benefit at 90d 5. carvedilol 3.125 mg PO BID, titrate q2 weeks PO BID (beta_blocker_nonselective_vasodilator, first line) — COPERNICUS PMID 11386262; ONLY initiate after stabilization off IV inotropes ≥24h + SBP ≥100 6. spironolactone 25 mg PO daily PO daily (mra, first line) — RALES PMID 10471456 — EF ≤35 + K <5 + eGFR ≥30 7. enalapril 2.5 mg PO BID titrate PO BID (acei, second line) — Alternative if ARNI not available; CONSENSUS/SOLVD Setting playbook (outpatient) — Long-term HF management: GDMT maintenance, EF re-echo at 3 mo (de novo CMP may recover), ICD eligibility per MADIT-II/SCD-HeFT if persistent EF ≤35, cardiac rehab completion 8. continue 4-pillar GDMT ARNI + BB + MRA + SGLT2i at max tolerated PO as scheduled — HFrEF (ACC/AHA 2022 HF Class I) Non-pharmacologic actions: - ICD evaluation at 3-6 mo if EF ≤35 despite GDMT (MADIT-II/SCD-HeFT) - Cardiac rehab maintenance - Influenza + pneumococcal vaccines AVOID / contraindication checks: - Arni_avoid_36h_post_acei (washout to prevent angioedema) - Arni_avoid_severe_renal_impairment_egfr_below_30 (PIONEER HF exclusion) - Arni_avoid_hyperkalemia_above_5.2 (PIONEER HF exclusion) - Bb_avoid_during_iv_inotrope_dependence (acute decompensation worsening) - Bb_avoid_high_dose_during_acute_congestion (initiate after diuresis adequate) - Sglt2i_caution_in_dka_risk_t1dm_or_severe_t2dm (drug label)
Monitoring
Regimen monitoring: - daily weight and io balance (decongestion monitoring) - daily bmp for k cr during arni titration - nt probnp at admission 48h 72h and pre discharge (PIONEER-HF biomarker target) - serial echo at 3 mo for lvef recovery (de novo cardiomyopathy may recover) Setting (outpatient) monitoring: - Quarterly NT-proBNP + BMP - Annual echo Follow-up plan: STRONG-HF up-titration cadence (weekly visits × 4 wk); cardiac rehab; advanced HF eval if EF <35 + persistent symptoms despite GDMT - Close-out criterion: STRONG-HF cadence + cardiac rehab booked Monitoring phase: Daily weight, I/O, BMP (K, Cr); NT-proBNP trend; daily exam
Disposition
Current setting: outpatient — Long-term HF management: GDMT maintenance, EF re-echo at 3 mo (de novo CMP may recover), ICD eligibility per MADIT-II/SCD-HeFT if persistent EF ≤35, cardiac rehab completion Disposition criteria: - Long-term continuation; cross-link to cardio.hfref.core.v1 or cardio.hfpef.core.v1 Escalation triggers (move to higher acuity): - Recurrent decompensation → readmit + reassess - EF declining despite GDMT → advanced HF eval
Earlier-Return Triggers
Return-precaution thresholds (watch for): - [LIFE_THREATENING] De novo AHF + ECG/troponin suggesting ACS — STEMI/NSTEMI/UA workup mandatory - [LIFE_THREATENING] De novo AHF + SBP <90 + lactate ≥2 + cool extremities — cardiogenic shock - [LIFE_THREATENING] De novo AHF + young patient + recent viral illness + arrhythmia + rapid EF drop → fulminant myocarditis
Citations
- 2022 ACC/AHA HF + 2023 Focused Update + 2025 ACC/AHA ACS [PMID:35363499](https://pubmed.ncbi.nlm.nih.gov/35363499/) - Cited evidence (PMID 38264914) [PMID:38264914](https://pubmed.ncbi.nlm.nih.gov/38264914/) - Cited evidence (PMID 30403955) [PMID:30403955](https://pubmed.ncbi.nlm.nih.gov/30403955/) - Cited evidence (PMID 35347356) [PMID:35347356](https://pubmed.ncbi.nlm.nih.gov/35347356/) - Cited evidence (PMID 36356631) [PMID:36356631](https://pubmed.ncbi.nlm.nih.gov/36356631/) Last reconciled with current guidelines: 2026-05-14.
- 2022 ACC/AHA HF + 2023 Focused Update + 2025 ACC/AHA ACS — PMID:35363499
- Cited evidence (PMID 38264914) — PMID:38264914
- Cited evidence (PMID 30403955) — PMID:30403955
- Cited evidence (PMID 35347356) — PMID:35347356
- Cited evidence (PMID 36356631) — PMID:36356631