Skip to main content
. Author manuscript; available in PMC: 2016 Oct 6.
Published in final edited form as: HeartRhythm Case Rep. 2015 Sep 3;1(6):429–433. doi: 10.1016/j.hrcr.2015.05.006

Figure 2.

Figure 2

Electrocardiographic and echocardiographic impact of parahisian pacing. The left panel shows the surface QRS before and after permanent His bundle pacing (PHBP) was implemented. The QRS duration narrowed from 198 ms to 123 ms following PHBP. The right panel demonstrates the diastolic and systolic transthoracic echocardiographic images obtained in the apical 4-chamber projection before and after PHBP, with respective endocardial tracings using Simpson’s method.