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Table of Contents
A PICTURE IS WORTH A THOUSAND WORDS
Year : 2020  |  Volume : 21  |  Issue : 4  |  Page : 309  

Negative hemodynamic impact of left bundle branch block in chronic systolic heart failure


1 Department of Medicine, Jinnah Sindh Medical College, Karachi, Pakistan
2 Department of Medicine, Northeast Ohio Medical University, Ohio, USA

Date of Submission29-Sep-2020
Date of Acceptance22-Nov-2020
Date of Web Publication14-Jan-2021

Correspondence Address:
Dr. Muhammad Rizwan Sardar
8868 Camden Road, NW Massillon, Ohio 44646
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/HEARTVIEWS.HEARTVIEWS_181_20

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How to cite this article:
Pervez H, Sardar MR. Negative hemodynamic impact of left bundle branch block in chronic systolic heart failure. Heart Views 2020;21:309

How to cite this URL:
Pervez H, Sardar MR. Negative hemodynamic impact of left bundle branch block in chronic systolic heart failure. Heart Views [serial online] 2020 [cited 2021 Feb 26];21:309. Available from: https://www.heartviews.org/text.asp?2020/21/4/309/307032



We present the imaging finding in a 64-year-old patient with heart failure (left ventricular ejection fraction: 20%) and intermittent left bundle branch block (LBBB). Change of QRS morphology from LBBB to right bundle branch block (arrow) causes instantaneous 68% increase in stroke volume, 4% increase in ventricular pulse pressure, and 10% increase in dP/dT, illustrating the negative hemodynamic impact of LBBB in patients with systolic heart failure. The image illustrates in real time the negative hemodynamic impact of LBBB in patients with chronic systolic heart failure [Figure 1].
Figure 1: Simultaneous stroke volume (a), left ventricular pressure (b), dP/dT (c) and electrocardiogram lead II (d)

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Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.




    Figures

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