Beiträge zur entstehungsweise extrasystolischer allorhythmien

Kaufmann, E.; Rothberger, C. J.

doi:10.1007/bf03002923

Cited by 55 publications

(8 citation statements)

References 2 publications

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“…Subsequently, in 1971 James and Sherf reported the histological differences between the AV node and His bundle 10 . They observed that the cell type in the His bundle becomes predominantly Purkinje type, with longitudinal orientation and separated by collagenous septa, which provides the anatomical basis for the theory of longitudinal dissociation in the His bundle, which was first proposed by Kaufman and Rothberger in 1919 11 . The theory of longitudinal dissociation was further supported clinically by Narula in 1977 where pacing distally in the His bundle region abolished LBB block in a small cohort of patients and resulted in narrow‐paced QRS complexes 12 …”

Section: Av Conduction Axismentioning

confidence: 99%

Anatomy of the cardiac conduction system

Padala

Cabrera

Ellenbogen

2020

Pacing Clinical Electrophis

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The specialized cardiomyocytes that constitute the conduction system in the human heart, initiate the electric impulse and result in rhythmic and synchronized contraction of the atria and ventricles. Although the atrioventricular (AV) conduction axis was described more than a century ago by Sunao Tawara, the anatomic pathway for propagation of impulse from atria to the ventricles has been a topic of debate for years. Over the past 2 decades, there has been a resurgence of conduction system pacing (CSP) by implanting pacing leads in the His bundle region in lieu of chronic right ventricular pacing that is associated with worse clinical outcomes. The inherent limitations of implanting the leads in the His bundle region has led to the emergence of left bundle branch area pacing in the past 3 years as an alternative strategy for CSP. The clinical experience from performing CSP has helped electrophysiologists gain deeper insight into the anatomy and physiology of cardiac conduction system. This review details the anatomy of the cardiac conduction system, and highlights some of the recently published articles that aid in better understanding of the AV conduction axis and its variations, the knowledge of which is critical for CSP. The remarkable evolution in technology has led to visualization of the cardiac conduction system using noninvasive, nondestructive high‐resolution contrast‐enhanced micro‐computed tomography imaging that may aid in future CSP. We also discuss from anatomical perspective, the differences seen clinically with His bundle pacing and left bundle branch area pacing.

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Section: Av Conduction Axismentioning

confidence: 99%

Anatomy of the cardiac conduction system

Padala

Cabrera

Ellenbogen

2020

Pacing Clinical Electrophis

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“…The concept of functional longitudinal dissociation of the His bundle was first proposed by Kaufmann and Rothberger in 1919. 10 According to this concept, Purkinje cells conducted predominantly in a longitudinal rather than transverse direction and that predestined fibers within the common His bundle conducted to each fascicle. James and Sherf studied the structure of the human His bundle under both light and electron microscopy.…”

Section: His-bundle Recordingsmentioning

confidence: 99%

The Complexity of the His Bundle: Understanding Its Anatomy and Physiology through the Lens of the Past and the Present

Dandamudi

Vijayaraman

2016

Pacing Clinical Electrophis

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“…Parasystole was first described by Kaufmann and Rothberger in 1919 and is defined as a constant ectopic rhythm, protected by entry block, leading to constant ectopic beats whenever it can conduct in non-refractory myocardium. 1 The observation that the interectopic interval in between groups (in this case 5800ms) is not an exact multiple of the parasystolic interval does not refute the hypothesis of parasystole. Several hypotheses have been put forward for this phenomenon; (1) intermittent parasystolic activity, 2 (2) electrotonic modulation or true reset of the parasystolic focus by the sinus beats (which also explains discrete variation in the inter-ectopic interval), 3,4 or (3) misjudgment of the true rate of the parasystolic pacemaker.…”

Section: Tachogrammentioning

confidence: 89%

A fishbone revealed

Wielandts

Waroux

Knecht

et al. 2021

HeartRhythm Case Reports

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Beiträge zur entstehungsweise extrasystolischer allorhythmien

Cited by 55 publications

References 2 publications

Anatomy of the cardiac conduction system

Anatomy of the cardiac conduction system

The Complexity of the His Bundle: Understanding Its Anatomy and Physiology through the Lens of the Past and the Present

A fishbone revealed

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