Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Slow-Slow AVNRT
Introduction
- Main article: AVNRT
Characteristics
Characteristics
- Dual AV Nodal Physiology and jump with initiation
- Retrograde VA > 60 ms
- AH > HA
- Earliest Atrial Activation in posterior septal region
Diferentiation of AVNRT Slow/Slow from AVRT with AVRT using a Concealed Bypass Tract
Diferentiation of AVNRT Slow/Slow from AVRT with AVRT using a Concealed Bypass Tract
- P wave morphology
- Negative in the Inferior Leads in both
- Positive in AVNRT Slow/Slow and Positive or biphasic in AVRT using a Posterior Septal Concealed Bypass Tract
- Delta RP (V1-II) > 25 ms
- Delta RP (V1-III) > 23 ms
- Delta RP (V1 – aVF) > 30ms
References
References
1. Oh et al. Differential Diagnosis of Slow/ Slow AVNRT from AVRT using a Concealed Bypass Tract by 12 Lead ECG. PACE. 2003; 26:2296-2300
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Cafer Zorkun, M.D., Ph.D. [2]