Presently, the left ventricular lead is placed in a similar position for all patients. It is not known whether placing this lead in different positions in the heart will make the heart pump better. In this study, the investigator will collect measurements of the heart's electrical activity during an Electrophysiology Study (EP study or EPS). The hope is that these measurements will provide the know how to develop an individualized left ventricular lead placement "prescription" for patients referred for left ventricular lead pacing.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
During the electrophysiology study, measurements will be obtained while pacing from different left ventricular regions in context to scar as determined by SPECT-CT testing.
UPMC Presbyterian Hospital
Pittsburgh, Pennsylvania, United States
dP/dt measurements observed during pacing from different left ventricular regions
During the electrophysiology study, the dP/dt measurements will be observed during pacing from different left ventricular regions.
Time frame: Measurements will be observed at the time of the electrophysiology study (EPS) at enrollment.
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