The effect of activation rate on left atrial bipolar voltage in patients with paroxysmal atrial fibrillation.
Steven E WilliamsNick LintonLouisa O'NeillJames HarrisonJohn WhitakerRahul MukherjeeChristopher A RinaldiJaswinder GillSteven NiedererMatthew WrightMark O'NeillPublished in: Journal of cardiovascular electrophysiology (2018)
Bipolar electrogram voltage is dependent on activation rate at a significant proportion of sites. Changes in unipolar voltage and timing underlie these effects. These observations have important implications for use of voltage mapping to delineate abnormal atrial substrate.