right ventricular apical pacing
Intraventricular flow patterns during right ventricular apical pacing
... Methods We cross-sectionally enrolled 12 consecutive patients (mean age 74±8 years, 60% male, mean left ventricular ejection fraction 58%±6 %), within 48 hours from pacemaker (PMK) implantation. Inclusion criteria ...
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Evaluation of the interventricular systolic relationship in patients with right ventricular apical pacing with ventricular inhibited pacing mode by echocardiography using mitral and tricuspid annular plane systolic excursions.
... The initial portion of this part of the conduction system is the bundle of His and is a fairly thick bundle of cells. The His-Purkinje system is essentially a trifascicular network. The bundle of His almost immediately ...
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DIRECT HIS-BUNDLE PERMANENT PACING AS AN ALTERNATIVE TO CONVENTIONAL RIGHT VENTRICULAR APICAL PACING: A PILOT STUDY IN ZAGAZIG UNIVERSITY CARDIAC ELECTROPHYSIOLOGY LABORATORY
... appropriate pacing rate, programed at the same upper sensor ...the right ventricular (RV) ...the right atrium under fluoroscopy, the catheter was positioned in the anatomical position of the ...
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Pacing-induced cardiomyopathy in chronic right ventricular apical pacing: a midterm follow-up study
... RVA pacing have been investigated thoroughly using, as control groups, patients implanted and stimulated with bi-ventricular (RV and LV) ...of pacing are significantly more marked in patients ...
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Multimodality imaging to guide cardiac interventional procedures
... Right ventricular apical pacing can induce both interventricular dyssynchrony (between the RV and the LV), as well as intraventricular dyssynchrony (within the LV) ...of ventricular ...
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Double left ventricular pacing following accidental malpositioning of the right ventricular electrode during implantation of a cardiac resynchronization therapy device
... with right ventricular apical pacing post- procedure ECG is diagnostic in most patients revealing a RBBB with positive deflection in lead V1 and a negative deflection in lead ...RV ...
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Sex differences in porcine left ventricular myocardial remodeling due to right ventricular pacing
... Japan). Right parasternal views were readily visible in all animals, whereas the left apical view was not ...the right parasternal area in a left lateral decubitus ...a right long-axis ...
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Reverse left ventricular remodeling is more likely in non ischemic cardiomyopathy patients upgraded to biventricular stimulation after chronic right ventricular pacing
... by right ventricular pacing, which can be reverted by LV ...of right ventricular pacing result in a high incidence of myocardial perfusion ...left ventricular contractile ...
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Mid-term echocardiographic follow up of left ventricular function with permanent right ventricular pacing in pediatric patients with and without structural heart disease
... Chronic RV apical pacing in pediatric patients with or without structural heart disease does not necessarily result in decline of LV function. In pediatric patients with com- plex congenital cardiac ...
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Complications and prognosis of patients undergoing apical or septal right ventricular pacing
... septal right ventricular lead place- ment and three favouring apical lead ...most apical lead placements were achieved with active fixation leads (n=483, ...and right ante- rior oblique ...
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Alterations in left ventricular diastolic function in conscious dogs with pacing induced heart failure
... rapid ventricular pacing on the sequence of development of left ventricular (LV) diastolic versus systolic dysfunction and (b) whether the changes were load dependent or secondary to alterations in ...
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Left Ventricular Pacing In Patients With Congestive Heart Failure
... BIV pacing would be significantly more effective than LV pacing in terms of mechanical coordination, hemodynamic and clinical ...LV pacing still suffers some limitations: the present studies are only ...
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Pacing in congestive heart failure
... reduced ventricular filling ...left ventricular filling period ...ms) pacing in patients on a transplantation waiting list, but did not establish the mech- anism of benefit ...delay pacing. ...
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The Effects of Sex on Cardiopulmonary Responses to Acute Normobaric Hypoxia
... left ventricular ICV has been shown to be a robust and validated non-invasive marker of global cardiac contractility and has the advantage over several other functional markers of being less load dependent ...
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The Congenital Isolated Apical Ventricular Septal Defect
... On physical examination, the cardiac findings were normal except for the presence of a typical systolic murmur with the following characteristics: grade 2-3/6 intensity; short duration, [r] ...
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A combination of right ventricular hypertrabeculation/noncompaction and arrhythmogenic right ventricular cardiomyopathy: a syndrome?
... the right ventricle, which belongs to a low pressure system, is more trabeculated than the left ...to right ventricular chamber by color Dop- pler ...
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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 ...bundle pacing but longer observation could provide us with this kind of ...atrial pacing sites are necessary to introduce the optimal ...
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The limited usefulness of real-time 3-dimensional echocardiography in obtaining normal reference ranges for right ventricular volumes
... With the shortcomings of the present RT3DE technique and the limitations of this study in mind, it seems appar- ent that single plane 2D-derived RV areas and AF is still the preferred method for assessment of systolic RV ...
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The subxiphoid view cannot replace the apical view for transthoracic echocardiographic assessment of hemodynamic status
... left ventricular end-diastolic area; LVEF: left ventricular ejection fraction; MAP: mean arterial pressure; PEEP: positive end-expiratory pressure; PSV: pressure support ventilation; RVEDA: right ...
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Cardiac resynchronization therapy pacemaker: critical appraisal of the adaptive CRT-P device
... left ventricular (LV) systolic dysfunction (ejection frac- tion #35%), and electrical dyssynchrony, demonstrated by a surface QRS duration of $120 ...device pacing to provide maximal cardiac ...
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