Key result
Vectorcardiographic QRS area from 12-lead ECGs may guide real-time LV lead placement in CRT.
Why the study?
Research has mainly focused on the role of QRS area in patient selection for CRT, but its potential to guide left ventricular lead placement and optimize CRT benefits remains to be reviewed.
Does vectorcardiographic QRS area guidance improve left ventricular lead placement in patients undergoing cardiac resynchronization therapy?
Does vectorcardiographic QRS area guidance improve left ventricular lead placement in patients undergoing cardiac resynchronization therapy?
Vectorcardiographic QRS area is a promising tool that may provide real-time insight to optimize left ventricular lead placement during CRT implantation.
Answers are grounded in this paper and cite their sources.
Should not yet change CRT lead placement practice; leaves open QRS area guidance pending prospective validation.
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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Eerenberg et al. (2024) conducted a review in Cardiac resynchronization therapy (CRT). Vectorcardiographic QRS area was evaluated. Vectorcardiographic QRS area calculated from the basic 12-lead ECG has the potential to provide real-time insight into resynchronization and guide left ventricular lead placement in CRT.
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