EP Fellows Curriculum: Hemodynamics of Cardiac Pacing-EP Fellows Curriculum: Hemodynamics of Cardiac Pacing

Video Transcription

Video Summary

The transcript is a talk about cardiac pacing and the dynamics of cardiac resynchronization therapy (CRT). The speaker emphasizes that CRT is effective in improving cardiac function in many patients, but there are some patients who do not respond to CRT. The talk explores the reasons why some patients do not respond and discusses the possible solutions. It highlights the importance of patient selection, lead positioning, and programming in ensuring optimal CRT outcomes.<br /><br />The speaker also discusses the negative effects of RV apical pacing, such as heart failure and atrial fibrillation. It is shown that RV pacing can cause pacing-induced cardiomyopathy, which is associated with a decrease in left ventricular ejection fraction. The talk explores different pacing sites and their impact on cardiac function, highlighting the benefits of pacing from non-RV apical sites.<br /><br />The speaker then discusses the benefits and limitations of CRT and the various factors that can help optimize its effectiveness. This includes AV and VV timing optimization, as well as the use of multi-site LV pacing. The talk also mentions the potential of endocardial CRT as an alternative to traditional CRT, which has shown promising results in improving outcomes.<br /><br />Overall, the talk emphasizes the importance of patient selection, lead positioning, and programming in optimizing the effectiveness of cardiac pacing, particularly in CRT. It highlights the need for further research and advancements in pacing technology to improve outcomes for patients who do not respond to CRT.

Keywords

cardiac pacing

cardiac resynchronization therapy

CRT

patient selection

lead positioning

programming

RV apical pacing

pacing-induced cardiomyopathy

non-RV apical sites

AV and VV timing optimization