Atrial Pacing
Antiarrhythmic properties of atrial pacing
... Bradycardia, atrial stretch and dilatation, autonomic nervous system disorders, and the presence of trig- gers such as atrial premature contractions, are factors which predispose a person to paroxysmal ...
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R-wave synchronised atrial pacing in pediatric patients with postoperative junctional ectopic tachycardia: the atrioventricular interval investigated by computational analysis and clinical evaluation
... temporary pacing technique ...paced atrial contraction before the following ...of Pacing and Electrophysiology generic pacemaker code, the method can be described as AVT-pacing, with the first ...
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Release of Adenosine from Human Hearts during Angina Induced by Rapid Atrial Pacing
... This study was designed to determine whether human hearts release adenosine, a possible regulator of coronary flow, during temporary myocardial ischemia and, if so, to examine the mechanisms involved. Release of ...
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Long Term Outcome of Single Chamber Atrial Pacing Compared with Dual Chamber Pacing in Patients with Sinus Node Dysfunction and Intact Atrioventricular Node Conduction
... and normal AV conduction without AF. The main findings of the present analysis of 186 patients presenting with SND and normal AV conduction without AF are 1) no significant differences in primary end point, defined as ...
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Original Article Reduce of atrial remodeling of rapid atrial pacing pig by inhibition of renin-angiotensin system with telmisartan
... rapid atrial pacing pig left atrial remodeling and renin angiotensin aldosterone ...rapid atrial pacing group (rap group), angiotensin angiotensin II receptor inhibitor group ...
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Evidence for adenosine mediation of atrioventricular block in the ischemic canine myocardium
... attenuated them. In some dogs, after cannulation of the AVNA, first and second degree AV block occurred spontaneously or were induced by rapid atrial pacing. Injection of the aminophylline (5 mg/kg, i.e.) ...
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Role of Biatrial Pacing in Prevention of Atrial Fibrillation after Coronary Artery Bypass Surgery
... Methods and Results: From July 2003 to May 2004, 120 patients without structural heart disease and who underwent CABG were randomly classified into one of the following 3 groups: biatrial pacing (BAP), left ...
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Experimental myocardial infarction: VIII Chronotropic augmentation of cardiac function in left ventricular failure of acute and healing stages in intact conscious dogs
... left atrial pressure from 17 to 12 mm Hg, without change in cardiac ...later, atrial pacing decreased left ventricular end-diastolic pressure from 17 to 9 mm Hg and increased the cardiac output by ...
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Temporary epicardial left ventricular and biventricular pacing improves cardiac output after cardiopulmonary bypass
... Nelson et al. [9], have demonstrated that LVP or BiVP can acutely improve systolic function in cases with intraventricular conduction delay, without increasing myocardial oxygen extraction (MV02). This new thera- peutic ...
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Original Article The effect of nicotinamide adenine dinucleotide (NADH) on electrical remodeling in atrial fibrillation
... of atrial refractoriness and a loss of rate adap- tation of the atrial refractory period in respo- nse to shortening in drive cycle length (DCL), called electrophysiological remodeling (ER) [1, 4, ...rapid ...
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Effect of monitored physical activity in chagas disease patients with blended sensor pacemaker – a randomized controlled trial
... (AS); atrial pacing (AP); time the patient remained at maximum sensor rate during physical activity (MSR), time the sensor detected mild to moderate physical activity (AT), time the sensor detected no ...
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Bachmann’s Bundle Pacing not Only Improves Interatrial Conduction but Also Reduces the Need for Ventricular Pacing
... septal pacing results in shorter atrioventricular conduction ...the atrial mechani cal ...inter atrial septum can shorten intrinsic atrioventricu lar conduction, which in fact was observed by us ...
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Left atrial booster function in valvular heart disease
... the atrial pacing stimulus during sequential A-V ...with atrial booster action eliminated by instituting synchronous A-V ...effective atrial systole but also placed atrial systole ...
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Devices for Prevention of Atrial Tachyarrhythmias
... of pacing do not justify its therapeutic use in patients with atrial fibrillation or atrial arrhythmias without associated ...septal pacing, whether it be from the coronary sinus ostium or ...
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Atrial Fibrillation in the Intact Unanesthetized Dog: Hemodynamic Effects during Rest, Exercise, and Beta Adrenergic Blockade
... of atrial fibrillation were studied in 12 healthy unanesthetized dogs, 9 to 49 days after surgical implantation of transducers for measurement of aortic flow and left ventricular ...diameter. Atrial ...
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Matrine Inhibits Pacing Induced Atrial Fibrillation by Modulating IKM3 and ICa-L
... rapid atrial pacing in large animals, such as dog and goat [17, 31, ...intracellular pacing was performed by the first 6-second burst with a cycle length (CL) of 40 ms, de- creasing in each ...
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The effect of physical training upon the mechanical and metabolic performance of the rat heart
... When atrial filling pressure was elevated in order to perform ventricular function curves, CH showed greater dynamic responses than SH. There were also greater increments in oxygen consumption, and the ratio of ...
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Temporary epicardial cardiac resynchronisation versus conventional right ventricular pacing after cardiac surgery: study protocol for a randomised control trial
... following pacing modes: atrial inhibited (AAI), right ventricle only (VVI), dual chamber (DDD-RV) and (DDD-LV) and BiV ...the pacing mode and obtaining haemodynamic data. A pacing mode will be ...
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Recovery in <em>ERG</em> gene expression with biventricular pacing in a rabbit model of myocardial infarction
... (BIV) pacing in patients after myocardial infarction ...BIV pacing, using a rabbit model of ...no pacing, MI with right ventricle (RV) pacing (MI + RV), and MI with BIV pacing (MI + ...
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Multimodality imaging to guide cardiac interventional procedures
... apical pacing and ...apical pacing and during CRT ...(RV pacing 322 ± 101 ms ...DDDR pacing and CRT in 50 patients with high degree AV block, Albertsen et ...apical pacing with regard ...
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