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Community-acquired pneumonia (CAP)

A Canadian clinical summary of community-acquired pneumonia (cap), with source-attributed priorities and explicit jurisdiction boundaries.

JurisdictionCanada
Source check2026-08-20
Clinical reviewiatroX editorial team · Clinical editorial review · reviewed 2026-08-20 · 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. Alberta is used as an explicit Canadian implementation example, not as a national rule. Verify the equivalent pathway, formulary and escalation route in the patient’s province or territory.

Alberta source: bounded use

Community Acquired Pneumonia, Adult — Inpatient Clinical Knowledge Topic supplies a Canadian implementation example for this summary. It must not be presented as the rule outside Alberta.
sources for this section:AHS adult CAP

Source-attributed clinical priorities

  • Assess oxygenation, hemodynamic status, mental status and ability to take oral therapy before deciding the site of care.
  • Select empiric therapy using illness severity, comorbidity, recent antibiotics, local resistance and provincial stewardship guidance.
  • Reassess nonresponse for complications, resistant pathogens, an alternative diagnosis and need for escalation.
  • Obtain chest imaging when available to confirm suspected pneumonia before routine antibiotics.
sources for this section:AHS adult CAP

Practical assessment and management workflow

1
Record respiratory rate, oxygen saturation, blood pressure, mental status, hydration and comorbidity.
2
Confirm a new infiltrate and obtain microbiology only when severity or epidemiology makes it useful.
3
Choose outpatient or inpatient treatment from severity, aspiration risk, recent antibiotics and local resistance.
4
Reassess within the expected response window and investigate effusion, abscess or an alternative diagnosis if worsening.
sources for this section:AHS adult CAP

Safety, red flags and urgent escalation

  • Escalate respiratory failure, shock, confusion or inability to maintain oral intake.
  • Consider tuberculosis, influenza, COVID-19 and immunocompromised-host pathogens when epidemiology suggests them.
  • Check QT risk, allergy, kidney function and interactions before antimicrobial selection.
sources for this section:AHS adult CAP

Confirm the local pathway before acting

Alberta is used as an explicit Canadian implementation example, not as a national rule. Verify the equivalent pathway, formulary and escalation route in the patient’s province or territory.
sources for this section:AHS adult CAP

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:AHS adult CAP

Source documents

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

  1. Alberta Health ServicesCommunity Acquired Pneumonia, Adult — Inpatient Clinical Knowledge Topicaccessed 2026-08-20
    view source
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