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Atrioventricular Reciprocating Tachycardia
Aka: Atrioventricular Reciprocating Tachycardia, AVRT
- Definition
- Form of Supraventricular Tachycardia (30% of cases) with an accessory pathway (outside the AV node)
- Findings: General
- Heart Rate 160 to 240 (up to 256)
- Types
- Orthodromic (antegrade AV conduction): Up to 87% of AVRT
- Retrograde P Waves in I, II, III, aVF, V1
- Antidromic (retrograde AV conduction)
- RP interval <100 msec
- Wide QRS Complex
- Course
- May degenerate into Atrial Fibrillation
- References
- Colucci (2010) Am Fam Physician 82(8): 942-52
- Delacretaz (2006) N Engl J Med 354(10): 1039-51
- Kumar (2006) Cardiol Clin 24(3): 427-37