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Acute heart failure

A Canadian clinical summary of acute heart failure, with source-attributed priorities and explicit jurisdiction boundaries.

JurisdictionCanada
Source check2026-08-20
Clinical reviewiatroX editorial team 路 Clinical editorial review 路 reviewed 2026-08-20 路 due 2027-08-20
AudienceHealthcare professionals practising in Canada
This is an iatroX educational summary of named Canada sources, not an official guideline. It does not replace the complete source documents, local policy, specialist advice or clinical judgement. The evidence source is pan-Canadian, but formularies, funded access, referral routes, public-health directions and service availability remain provincial or territorial.

Source and scope

This summary is bounded to the recommendations, population and decisions covered by Heart failure guideline programme. Apply it with the current provincial or territorial pathway where implementation differs.
sources for this section:CCS HF

Source-attributed clinical priorities

  • Stabilize oxygenation and perfusion while identifying congestion and a precipitating cause.
  • Use diuresis and other acute therapies according to blood pressure, volume phenotype, renal function and the CCS pathway.
  • Before discharge, reconcile disease-modifying therapy, provide self-management instructions and arrange early follow-up.
  • Identify and treat the precipitant while relieving congestion and protecting perfusion.
sources for this section:CCS HF

Practical assessment and management workflow

1
Assess airway, oxygenation, perfusion, congestion, ECG, troponin, kidney function and natriuretic peptide.
2
Classify wet or dry and warm or cold phenotype and identify ACS, arrhythmia, infection or medication cause.
3
Give phenotype-directed diuresis and support and involve critical or specialist care when needed.
4
Before discharge, transition to oral treatment, optimize disease-modifying care and arrange early review.
sources for this section:CCS HF

Safety, red flags and urgent escalation

  • Escalate cardiogenic shock, respiratory failure, ongoing ischemia or malignant arrhythmia.
  • Monitor urine output, electrolytes and renal function during active diuresis.
  • Avoid reflex fluid boluses when pulmonary congestion and elevated filling pressure are likely.
sources for this section:CCS HF

Confirm the local pathway before acting

The evidence source is pan-Canadian, but formularies, funded access, referral routes, public-health directions and service availability remain provincial or territorial.
sources for this section:CCS HF

Source and implementation boundary

Read this educational summary with the linked source, current Canadian product information where medicines are involved, and the applicable provincial or territorial pathway. Local formularies, reporting duties, referral routes and service availability can differ.
sources for this section:CCS HF

Source documents

Use the linked source documents for complete recommendations, evidence grading, exclusions and implementation detail.

  1. Canadian Cardiovascular SocietyHeart failure guideline programmeaccessed 2026-08-20
    view source
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