Voltage during atrial fibrillation is superior to voltage during sinus rhythm in localizing areas of delayed enhancement on magnetic resonance imaging: An assessment of the posterior left atrium in patients with persistent atrial fibrillation
Bipolar electrogram voltage during sinus rhythm (VSR) has been used as a surrogate for atrial fibrosis in guiding catheter ablation of persistent AF, but the fixed rate and wavefront characteristics present during sinus rhythm may not accurately reflect underlying functional vulnerabilities responsible for AF maintenance.
Source: Heart Rhythm - Category: Cardiology Authors: Norman Qureshi, Steven Kim, Chris Cantwell, Valtino Afonso, Wen Jia Bai, Rheeda Ali, Matt Shun-Shin, Louisa Malcolme-Lawes, Vishal Luther, Kevin Leong, Elaine Lim, Ian Wright, Szabi Nagy, Sajad Hayat, Fu Siong Ng, Michael Koa Wing, Nick Linton, David Lefr Source Type: research