journal
Journals Herzschrittmachertherapie & El...

Herzschrittmachertherapie & Elektrophysiologie

https://read.qxmd.com/read/39023744/-arrhythmias-in-thyroid-dysfunction
#1
REVIEW
Roman Brenner, Stefan Bilz, Sonia Busch, Hans Rickli, Peter Ammann, Micha T Maeder
Thyroid dysfunction is associated with characteristic changes in heart rate and arrhythmias. Thyroid hormones act through genomic and non-genomic effects on myocytes and influence contractility, relaxation and action potential duration through a variety of mechanisms. Atrial fibrillation is the most common arrhythmia associated with thyroid dysfunction, it occurs in both euthyroidism and hyperthyroidism in clear association with T4 levels. Mechanistically, in the hyperthyroid state, increased automaticity and triggered activity, together with a shortened refractory period and slowing of the conduction speed, lead to the initiation and maintenance of multiple intraatrial reentry circuits...
July 18, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/39008102/ventricular-arrhythmias-in-the-context-of-chronic-kidney-disease-and-electrolyte-imbalance
#2
REVIEW
Ines Masmoudi, Zouhir Dindane, Sergio Richter, Micaela Ebert
Patients with chronic kidney disease face a high risk of sudden cardiac death, particularly in more advanced stages of renal dysfunction. Ventricular arrhythmias are prevalent and contribute to the heightened cardiovascular mortality. This review aims to explore the intricate interplay of disease-specific risk factors, arrhythmic triggers, and electrolyte disorders that amplify susceptibility to ventricular arrhythmias and sudden cardiac death in this population and influence the efficacy of available treatments...
July 15, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38990391/missing-markers-and-electrogram-deflections-in-a%C3%A2-recording-from-a%C3%A2-crt-d-device-what-is-the-mechanism
#3
JOURNAL ARTICLE
S Serge Barold, Andreas Kucher
No abstract text is available yet for this article.
July 11, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38935120/induction-of-fast-ventricular-tachycardia-by-a%C3%A2-crt-d-device-what-is-the-mechanism
#4
JOURNAL ARTICLE
S Serge Barold, Andreas Kucher
No abstract text is available yet for this article.
June 27, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38829430/interrogating-a%C3%A2-biventricular-pacemaker-the-importance-of-12-lead-electrocardiogram
#5
JOURNAL ARTICLE
Konstantinos Iliodromitis, Bernd Lemke, Sebastian Robl, Harilaos Bogossian
No abstract text is available yet for this article.
June 3, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38789580/-telemedicine-for-patients-with-cardiac-implants-insights-into-everyday-practice-of-remote-monitoring-in-germany-in-2022
#6
JOURNAL ARTICLE
Bianca Steiner, Bettina Zippel-Schultz, Erna Thoden, Christoph J Geller, Thomas Klingenheben, Annett Kröttinger, Volker G Leonhardt, Jens Placke, Thomas M Helms
BACKGROUND: As telemedical structures continues to be developed in the German healthcare system, remote monitoring is becoming increasingly important to ensure comprehensive, outpatient, and tailored care. The national quality assurance measure "DOQUVIDE-Documentation of quality in the assessment of vital parameters by implanted devices" is used to provide insight into everyday care for patients with telemedicine-enabled devices in Germany. METHODS: DOQUVIDE is a measuring instrument for recording outpatient remote monitoring for patients with implanted pacemaker, implantable cardioverter defibrillator (ICD), cardiac resynchronization therapy with a pacemaker (CRT-P), CRT defibrillator (CRT-D) devices and event recorder...
May 24, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38775842/a%C3%A2-long-standing-conundrum-an-unusual-case-of-2-1-atrioventricular-block-with-conflicting-findings
#7
JOURNAL ARTICLE
Hakan Gökalp Uzun, Selim Ekinci
A 2:1 atrioventricular (AV) block can occur anywhere within the conduction system, and noninvasive measurements may not always predict the exact site of the block. Although localization of the block is critical for deciding any treatment, patients should also be carefully questioned about symptoms both at rest and during exertion. A case of 2:1 AV block that was symptomatic only during exertion, appeared infranodal by noninvasive diagnostic methods, but was found to be intranodal on electrophysiological study is reported...
May 22, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38771383/-technical-principles-of-ablation-therapy
#8
JOURNAL ARTICLE
Felix Bourier
Catheter ablation is a standard procedure in modern cardiology. It can significantly improve the quality of life and life expectancy of cardiac arrhythmia patients. Besides cardiac mapping, ablation itself is a fundamental step to successfully treat cardiac arrhythmias. There are various ablation technologies at hand: In traditional radiofrequency (RF) ablation, electrical current flow generates coagulation necrosis. When understanding the biophysical principles of RF ablation, the investigator is capable to adapt lesion geometry and size to the requirements of the procedure and vary them individually...
May 21, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38755469/-ecardiology-in-cardiac-electrophysiology
#9
EDITORIAL
David Duncker, Dominik Linz
No abstract text is available yet for this article.
May 16, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38748284/-lead-placement-in-cardiac-implantable-electronic-devices
#10
JOURNAL ARTICLE
Jonas Wörmann, David Duncker, Till Althoff, Christian Heeger, Roland Tilz, Heidi Estner, Andreas Rillig, Philipp Sommer, Leon Iden, Victoria Johnson, K R Julian Chun, Henning Jansen, Tilman Maurer, Sonia Busch, Daniel Steven
The implantation of electrodes for cardiac implantable electronic devices (CIED) requires profound technical understanding and precise execution. The positioning of electrodes in the right ventricle and atrium has significant implications for patient safety and the effectiveness of CIED therapy. Particular focus is given to the distinction between apical and septal stimulation in ventricular positioning. Based on current data, this article provides a practice-oriented guide that leads implanters through the individual steps of electrode positioning...
May 15, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38740607/-arrhythmias-and-amyloidosis
#11
REVIEW
Maria Papathanasiou, Lara S Schlender, Victoria Louise Johnson, Reza Wakili
Cardiac amyloidosis is an infiltrative cardiomyopathy characterized by the extracellular deposition of amyloid fibrils within the myocardium. Beyond heart failure, patients with cardiac amyloidosis commonly present with arrhythmias and conduction system disorders. Atrial fibrillation is observed in up to 80% of patients at the time of diagnosis, with patients typically maintaining normal heart rates due to concurrent atrioventricular nodal disease. The thromboembolic risk is particularly high in patients with cardiac amyloidosis, and left atrial thrombi have been observed even in the absence of atrial fibrillation...
May 13, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38739286/life-saving-fall-detection-by-a%C3%A2-smartwatch-in-a%C3%A2-case-of-ventricular-fibrillation
#12
JOURNAL ARTICLE
Steffen Grautoff, Michael Watol
New smart devices that have the potential to support the health and well-being of their owners have become available. In particular, smart watches are able to identify a fall by the person who is wearing the watch and report it to pre-defined contacts and the local emergency control center. Falls in older people are common and only rarely caused by malignant cardiac arrhythmia. The case of an elderly male whose smart watch automatically reported his fall due to ventricular fibrillation to the local emergency control center is described...
May 13, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38727758/successful-catheter-ablation-of-atrial-tachycardia-initiated-with-orthodromic-capture-of-superior-vena-cava-potentials
#13
JOURNAL ARTICLE
Kohei Ukita, Yasuyuki Egami, Yasuharu Matsunaga-Lee, Masamichi Yano, Masami Nishino
A case of successful catheter ablation of paroxysmal atrial fibrillation and atrial tachycardia is reported. After pulmonary vein isolation, atrial tachycardia was induced by the use of isoproterenol and burst pacing from the catheter in the right atrium. An attempt was made to create a three-dimensional (3D) map of the atrial tachycardia, but the atrial tachycardia was terminated in the middle of the mapping. The 3D map was insufficient but indicated that the superior vena cava was involved in the circuit...
May 10, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38847858/-not-available
#14
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
June 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38847857/-not-available
#15
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
June 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38639777/-digital-precision-medicine-in-rhythmology-risk-prediction-of-recurrences-sudden-cardiac-death-and-outcome
#16
REVIEW
Ann-Kathrin Rahm, Patrick Lugenbiel
Digital precision medicine is gaining increasing importance in rhythmology, especially in the treatment of cardiac arrhythmias. This trend is driven by the advancing digitization in healthcare and the availability of large amounts of data from various sources such as electrocardiograms (ECGs), implants like pacemakers and implantable cardioverter-defibrillators (ICDs), as well as wearables like smartwatches and fitness trackers. Through the analysis of this data, physicians can develop more precise and individualized diagnoses and treatment strategies for patients with cardiac arrhythmias...
April 19, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38607554/digital-twins-for-cardiac-electrophysiology-state-of-the-art-and-future-challenges
#17
REVIEW
Matthijs J M Cluitmans, Gernot Plank, Jordi Heijman
Cardiac arrhythmias remain a major cause of death and disability. Current antiarrhythmic therapies are effective to only a limited extent, likely in large part due to their mechanism-independent approach. Precision cardiology aims to deliver targeted therapy for an individual patient to maximize efficacy and minimize adverse effects. In-silico digital twins have emerged as a promising strategy to realize the vision of precision cardiology. While there is no uniform definition of a digital twin, it typically employs digital tools, including simulations of mechanistic computer models, based on patient-specific clinical data to understand arrhythmia mechanisms and/or make clinically relevant predictions...
April 12, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38459125/-you-can-only-understand-today-if-you-know-yesterday-the-history-of-rhythmology-in-germany
#18
EDITORIAL
M Borggrefe, F de Haan, C W Israel
No abstract text is available yet for this article.
March 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38427036/-historical-developments-in-the-diagnosis-and-treatment-of-pre-excitation-syndromes-wpw
#19
REVIEW
Boris Rudic, Martin Borggrefe
In 1930, Wolff, Parkinson and White described the syndrome that bears their names. The mechanisms of supraventricular tachycardias were analyzed by brilliant electrocardiography interpretation by Pick and Langendorf. Wellens and Durrer using electrophysiologic studies analyzed the tachycardia mechanism invasively. In Germany the group by Seipel and Breithardt as well as Neuss and Schlepper studied the tachycardia mechanisms and response to antiarrhythmic drugs invasively by electrophysiological studies. Following the first successful interruption of an accessory pathway by Sealy in 1967, surgeons and electrophysiologists cooperated in Germany...
March 1, 2024: Herzschrittmachertherapie & Elektrophysiologie
https://read.qxmd.com/read/38376524/-not-available
#20
(no author information available yet)
No abstract text is available yet for this article.
March 2024: Herzschrittmachertherapie & Elektrophysiologie
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