Frederieke Eerenberg, Justin Luermans, Joost Lumens, Uyên Châu Nguyên, Kevin Vernooy, Antonius van Stipdonk

Exploring QRS Area beyond Patient Selection in CRT—Can It Guide Left Ventricular Lead Placement?

  • Pharmacology (medical)
  • General Pharmacology, Toxicology and Pharmaceutics
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Vectorcardiographic QRS area is a promising tool for patient selection and implantation guidance in cardiac resynchronization therapy (CRT). Research has mainly focused on the role of QRS area in patient selection for CRT. Recently, QRS area has been proposed as a tool to guide left ventricular lead placement in CRT. Theoretically, vector-based electrical information of ventricular fusion pacing, calculated from the basic 12-lead ECG, can give real-time insight into the extent of resynchronization at any LV lead position, as well as any selected electrode on the LV lead. The objective of this review is to provide an overview of the background of vectorcardiographic QRS area and its potential in optimizing LV lead location in order to optimize the benefits of CRT.

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