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Palpitations & suspected SVT: primary care assessment and escalation

A Canadian clinical summary of palpitations & suspected svt: primary care assessment and escalation, 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. British Columbia is used as an explicit Canadian implementation example, not as a national rule. Verify the equivalent pathway, formulary and escalation route in the patient鈥檚 province or territory.

British Columbia source: bounded use

This summary is deliberately limited to Emergency Care BC assessment and initial treatment of paroxysmal supraventricular tachycardia. It does not cover ambulatory investigation of undifferentiated palpitations.
sources for this section:ECBC PSVT

Source-attributed clinical priorities

  • Use this British Columbia emergency summary only for a regular paroxysmal supraventricular tachycardia presentation; it is not a general palpitations or atrial-fibrillation pathway.
  • Record a 12-lead ECG during symptoms when possible and distinguish a narrow regular tachycardia from irregular or wide-complex rhythms before treatment.
  • For a stable compatible rhythm, use the source-supported vagal and escalation sequence; unstable tachycardia requires immediate synchronized cardioversion capability.
  • Treat this source as an acute PSVT pathway only; it does not substantiate a full outpatient investigation of undifferentiated palpitations.
sources for this section:ECBC PSVT

Practical assessment and management workflow

1
Record exact onset, termination, regularity, prior episodes, medications and associated syncope, chest pain or dyspnea.
2
Obtain a 12-lead ECG and assess hemodynamic stability before attempting a rhythm-specific intervention.
3
Use a source-supported vagal manoeuvre for a stable regular compatible tachycardia and reassess the rhythm and patient after each step.
4
Arrange emergency or cardiology follow-up for recurrence, diagnostic uncertainty or a high-risk presentation without inventing a national referral interval.
sources for this section:ECBC PSVT

Safety, red flags and urgent escalation

  • Hypotension, ischemic chest discomfort, shock, acute heart failure or altered consciousness requires immediate emergency cardioversion capability.
  • Do not give an atrioventricular-nodal blocker blindly for an irregular or wide-complex tachycardia.
  • Pre-excitation, exertional syncope or suspected ventricular arrhythmia falls outside this PSVT summary and needs urgent specialist assessment.
sources for this section:ECBC PSVT

Confirm the local pathway before acting

British Columbia is used as an explicit Canadian implementation example, not as a national rule. Verify the equivalent pathway, formulary and escalation route in the patient鈥檚 province or territory.
sources for this section:ECBC PSVT

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:ECBC PSVT

Source documents

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

  1. Emergency Care BCParoxysmal Supraventricular Tachycardia (PSVT)Last reviewed 2023; checked 2026-08-20 路 accessed 2026-08-20
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