CAR referral appropriateness

Imaging Guidance

Choose a patient pathway or a source-linked reference resource for the clinical task at hand.

Imaging Guidance

Choose a route

Patient pathways guide a specific imaging question; reference routes support follow-up, specialty and practice work.

PregnancyScenario guidance · urgent imaging, MRI, contrast and counselling Incidental findingsReference · follow-up after an imaging finding Specialty guidanceReference · focused programme and reporting guidance CAR safety & practiceReference · safety, governance and workflow standards

Evidence register

What governs this draft

Dated primary sources and their role in this draft.

Recommendation wording is condensed for point-of-care use. The dated primary source remains authoritative and must be rechecked before publication or institutional adoption.

CAR CN 2025Central nervous system Referral GuidelineFormal Canadian referral guideline · primary layer

19 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR CA 2025Cancer Referral GuidelineFormal Canadian referral guideline · primary layer

29 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR T 2024Trauma Referral GuidelineFormal Canadian referral guideline · primary layer

21 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR TH 2024Thoracic Referral GuidelineFormal Canadian referral guideline · primary layer

22 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR SP 2024Spine Referral GuidelineFormal Canadian referral guideline · primary layer

10 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR H 2024Head and neck Referral GuidelineFormal Canadian referral guideline · primary layer

7 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR GU 2024Genitourinary Referral GuidelineFormal Canadian referral guideline · primary layer

15 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR GI 2024Gastrointestinal Referral GuidelineFormal Canadian referral guideline · primary layer

13 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR CV 2024Cardiovascular Referral GuidelineFormal Canadian referral guideline · primary layer

10 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR B 2024Breast disease Referral GuidelineFormal Canadian referral guideline · primary layer

9 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR PD 2025Pediatric Referral GuidelineFormal Canadian referral guideline · primary layer

38 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR M 2024Musculoskeletal Referral GuidelineFormal Canadian referral guideline · primary layer

25 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CAR OG 2024Obstetrics and gynecology Referral GuidelineFormal Canadian referral guideline · primary layer

12 top-level scenario groups indexed; translated pathways are separately labelled.

Open source ↗CWC Radiology 2026Choosing Wisely Canada Radiology RecommendationsCanadian overuse guardrails · secondary overlay

Used only where a concise do-not-image rule adds a safe boundary to CAR.

Open source ↗CSBPRCanadian Stroke Best PracticesCanadian specialty pathway · operational overlay

Adds treatment-linked acute-stroke workflow to CAR’s modality-selection recommendation.

Open source ↗TC PE 2025Pulmonary Embolism: DiagnosisCanadian specialty guide · operational overlay

Supplies PERC, two-level Wells, age-adjusted D-dimer, imaging alternatives and unstable-patient boundaries for the CAR PE referral pathway.

Open source ↗TC Pregnancy 2026Pregnancy: Diagnosis of DVT and PECanadian specialty guide · pregnancy overlay

Supplies the pregnancy-adapted YEARS and symptomatic-leg ultrasound sequence.

Open source ↗ACR ACACR Appropriateness CriteriaInternational radiology reference · gap/detail layer

Linked for granular variants or gaps; it never silently overrides CAR or Canadian/local policy.

Open source ↗