Reduction in the QRS area after cardiac resynchronization therapy is associated with survival and echocardiographic response.
Mohammed A GhosseinAntonius M W van StipdonkFilip PlesingerMariëlle KloostermanPhilippe C WoutersOdette A E SaldenMathias MeineAlexander H MaassFrits W PrinzenKevin VernooyPublished in: Journal of cardiovascular electrophysiology (2021)
∆QRS area is an independent determinant of CRT response, especially in patients with a large baseline QRS area. Failure to achieve a large QRS area reduction with CRT is associated with a poor clinical outcome.