Table 3

Effect of changing pacing pulse width and amplitude in narrow complex dilated cardiomyopathy

Baseline
no Pacing
Initial
pacing
Mid-range
pacing
Max- range
pacing
Left Ventricular Ejection fratciton in the 4 chamber and 2 chamber %17/2227/2223/1931/25
Apex strain−10−12−12−13
Proximal ring strain−10.25−11.5−11.75−12.75
Global strain−11.3−11.7−8.6−9.6
Pacing amplitude/pulse width0/0 no pacing2.5/.55/1.07.5/1.5
Peak systolic
strain maps
figures
Figure 5A Figure 5B Figure 5C Figure 5D