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The use of unipolar intracardiac impedance for discrimination of haemodynamically stable and unstable arrhythmias in man
2006
Europace
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Aims To determine the feasibility of discriminating haemodynamically stable from unstable arrhythmias using right ventricular (RV) unipolar intracardiac impedance (Z). ...
Conclusion Right ventricular unipolar impedance is an adequate sensor for determining mechanical ventricular contraction and acts as a surrogate marker for a fall in arterial blood pressure during VF. ...
G.C.K. has delivered paid lectures on behalf of Biotronik UK. G.C.K. and Biotronik GmbH are joint holders of a patent. ...
doi:10.1093/europace/eul103
pmid:17008329
fatcat:ofxpewct7bblvphk4esvwtfzoy
Can transventricular intracardiac impedance measurement discriminate haemodynamically unstable ventricular arrhythmias in human?
2007
Europace
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Transventricular impedance fell significantly during unstable arrhythmias and may be useful as a sensor capable of haemodynamic discrimination. ...
Transventricular impedance was measured by injecting a subthreshold biphasic rectangular pulse of 600 mA between poles 1 of the CS catheter and pole 1 of the RVA catheter and the voltage measured between ...
In commercial systems with permanent leads, fibrosis of the tip ensures that the lead movement is directly related to movement of the heart. ...
doi:10.1093/europace/eul150
pmid:17272334
fatcat:gc6xdnjp6neyddtk3dqmyqmzrm
Future of Implantable Devices for Cardiac Rhythm Management
2014
Circulation
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The online-only Data Supplement is available with this article at http://circ.ahajournals.org/lookup/suppl/ ...
Adenovirus Porcine model of atrioventricular heart block Supplemental References ...
T he first cardiac implantable electronic device (CIED), the electronic pacemaker, maintains cardiac contraction during bradycardia. ...
doi:10.1161/circulationaha.112.000312
pmid:24550552
fatcat:scmx34pb5bd5ndw6e3rrdqeuo4
Resynchronization therapy optimization by intracardiac impedance
2010
Europace
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Conclusion The feasibility of optimizing LV lead site, AVd, and VVd by intracardiac impedance has been demonstrated for CRT patients with a similar performance as using SV and PP. ...
The feasibility of optimizing LV lead position, atrioventricular delay (AVd), and interventricular delay (VVd) in CRT using intracardiac impedance measurement was evaluated. ...
Limitations Acute leads and catheters were used during the measurement, which are prone to small movements; this could modify the impedance measurements. ...
doi:10.1093/europace/euq273
pmid:20667892
fatcat:i6k3suytdbb3jcnqg7cj7nbigm
A Review on Recent Patents in Digital Processing for Cardiac Electric Signals (I): From Basic Systems to Arrhythmia Analysis
2009
Recent Patents on Biomedical Engineering
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The wide number of basic systems for cardiac signal processing analysis that have been disclosed indicates that this field represents a main scenario in the near and middle future of cardiac health. ...
A number of systems have been patented during the last years, which are grouped in this review according to their application scope. ...
Given that there is no current method for obtaining realtime medical images of electric cardiac activity in the clinical setting, we are attending today to the movement from atomic analysis of signals, ...
doi:10.2174/1874764710902010022
fatcat:fm2mujrcpjfzhbx4h6b5v5cgem
Evolution of pacing for bradycardias: sensors
2007
European Heart Journal, Supplement
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Sensors can be classified by the method they detect a physiological change: body accelerations, paced QRS, impedance and sensors that require special leads. ...
The latest development involves the use of sensors to monitor heart failure, and to best optimize rate and conduction status in cardiac resynchronization therapy. ...
On the other hand, as contraction occurs, the walls surrounding the electrode tip get closer and impedance rises. ...
doi:10.1093/eurheartj/sum057
fatcat:bllihl5v65gl3jayh557mr3tku
JCS/JHRS 2019 guideline on non‐pharmacotherapy of cardiac arrhythmias
2021
Journal of Arrhythmia
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This guideline contains information on conventional cardiac implantable electronic devices (CIEDs), such as pacemakers, ICDs, and ICDs with biventricular pacing function, as well as new information on ...
ventricular contractions, VT, and ventricular fibrillation, as well as treatment for the associated heart failure and thromboembolism. ...
tachycardia or during premature atrial contractions that are the same type as the tachycardia. ...
doi:10.1002/joa3.12491
fatcat:mhmdd6xppred7oehln4hefdwiu
JCS/JHRS 2019 Guideline on Non-Pharmacotherapy of Cardiac Arrhythmias
2021
Circulation Journal
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Correct: In the JCS guideline on infective endocarditis, 410 part of the recommendation level is inconsistent with that in this guideline, because the recommendations for surgical removal and cardiac vegetation ...
Recommendations and Evidence Levels for Patients With Infection of CIED System. We added the reference number in the footnote. ...
The authors apologize for the error in the typesetting. Corrections are shown below. ...
doi:10.1253/circj.cj-20-0637
pmid:34078838
fatcat:vxu7eakjrnbivgopaexbwfgwze
Outcomes of Cardiac Perforation Complicating Catheter Ablation of Ventricular Arrhythmias
2011
Circulation: Arrhythmia and Electrophysiology
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Of 6 cases in which the site of perforation could be determined at cardiac surgery, 5 were in the right ventricle (4 outflow tract, 1 free wall) and only 1 was located in the left ventricle. ...
Background-Cardiac perforation is a recognized complication of catheter ablation procedures, most commonly encountered during ablation of atrial fibrillation. ...
Fluoroscopy showing the absence of movement of the cardiac silhouette and the injection of contrast via a drain into the pericardium Video 2. ...
doi:10.1161/circep.111.963413
pmid:21753037
fatcat:3foixwe4qncjtps7udk63nn5tm
Current Status of the Implantable Cardioverter-Defibrillator
2001
Chest
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Clinical trials have established the superiority of the implantable cardioverter-defibrillator (ICD) over antiarrhythmic drug therapy in survivors of sudden cardiac death and in high-risk patients with ...
The growing number of ICD recipients necessitates an understanding of the specialized features of the modern ICD and the role of device therapy in clinical practice. ...
During tachycardia detection, each complex is compared to the template, and the algorithm determines the percent match. ...
doi:10.1378/chest.119.4.1210
pmid:11296190
fatcat:65bxkdhguzcgba6uz5q5bx7woa
Cardiac Arrhythmias
2008
Journal of the American College of Cardiology
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Intracardiac echocardiography
(ICE) affords real time imaging of the cardiac structures during mapping and ablation. ...
GIRK1 expression was determined by Western blot analysis. ...
Mortality was the endpoint of follow-up, which was defined as death or cardiac transplant. ...
doi:10.1016/j.jacc.2008.02.003
fatcat:xetk5vc2lfftzakrdkpok2nrcu
The First Three Years of Ablation Therapy in Cardiac Arrhythmias: Single Centre Experience
2020
Eastern Journal Of Medicine
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ABSTRACT Improvements in both evaluation of intracardiac signals and molecular data yielded an easy understanding of complex cardiac arrhythmias and channelopathies in last years. ...
All types of arrhythmias such as atrioventricular nodal reentry tachycardia, atrioventricular reentry tachycardia, atrial flutter, atrial tachycardias, atrial fibrillation, premature ventricular contractions ...
Obviously, the mentioned systems helped to determine and treat an almost all of cardiac arrhythmias in last years. ...
doi:10.5505/ejm.2020.32650
fatcat:7w23kfs7bzei3mk5bwxryfxxee
The Heart Rhythm Society (HRS)/American Society of Anesthesiologists (ASA) Expert Consensus Statement on the Perioperative Management of Patients with Implantable Defibrillators, Pacemakers and Arrhythmia Monitors: Facilities and Patient Management
2011
Heart Rhythm
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The authors also want to express our thanks to the external reviewers from: the American Society of Anesthesiologists (ASA); the American College of Cardiology (ACC); the American Heart Association (AHA ...
Acknowledgments This document would not have been possible without the efforts of HRS staff, and the Scientific and Clinical Documents Committee. ...
BIOTRONIK pacemakers have a rate algorithm based upon measurement of right ventricle (RV) lead tip impedance changes with cardiac contraction. ...
doi:10.1016/j.hrthm.2010.12.023
pmid:21722856
fatcat:en6h3jaj5nafdmrdqu25jwsnne
Emerging Technologies in Electrophysiology: From Single Chamber to Biventricular Leadless Pacemakers
2022
Cardiology
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However, they possess inevitable drawbacks as they have a relatively high incidence of lead and device pocket-related complications. ...
Key messages: This review will encompass the current literature regarding clinical safety and outcomes of these novel leadless pacemakers and discuss the evolving technologies in the field of cardiac pacing ...
Thiago Gagliano-Jucá, MD, PhD, for providing editing assistance for the manuscript.
Statement of Ethics ...
doi:10.1159/000521976
pmid:35038698
fatcat:eardn5dpvfgonjf6qo6ypyhpfe
Comprehensive multicomponent cardiac rehabilitation in cardiac implantable electronic devices recipients: a consensus document from the European Association of Preventive Cardiology (EAPC; Secondary prevention and rehabilitation section) and European Heart Rhythm Association (EHRA)
2021
Europace
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patients, the risk of arrhythmia, syncope, and sudden cardiac death. ...
As evidence from studies of CR in patients with cardiac implantable electronic devices is sparse, detailed clinical practice guidelines are lacking. ...
detect lead fracture, dislocation, or perforation if the electrical pacing parameters (threshold, impedance, and sensing) have changed. ...
doi:10.1093/europace/euaa427
pmid:33636723
fatcat:xlm4e27ilbev3bpplu2xbl5s5e
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