apical right ventricular pacing
DIRECT HIS-BUNDLE PERMANENT PACING AS AN ALTERNATIVE TO CONVENTIONAL RIGHT VENTRICULAR APICAL PACING: A PILOT STUDY IN ZAGAZIG UNIVERSITY CARDIAC ELECTROPHYSIOLOGY LABORATORY
... cardiac pacing in clinical practice led to logical concerns about the possible impact of the stimulation site on cardiac ...atrial, right ventricular, and left ventricular pacing ...
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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 atrium is the chamber that conducts electrical discharge from the sinus node down to the AV node. Cardiac myocytes are electrically coupled with one another through the gap junctions. These gap junctions allow the ...
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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
... A standard transthoracic echocardiogram was performed by commercially available instruments (Acuson Sequoia, Acuson Corporation, Mountain View, CA, USA; Vivid system 7, GE/Vingmed, Milwakee, WI, USA). LV end- diastolic ...
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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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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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Intraventricular flow patterns during right ventricular apical pacing
... Our protocol included a 2 mL intravenous injection of a sonographic contrast agent (SonoVueTM, Bracco Inter- national, Amsterdam) administered through an 18–20- gauge intravenous catheter to avoid any fluid turbulence ...
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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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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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Pacing-induced cardiomyopathy in chronic right ventricular apical pacing: a midterm follow-up study
... on patients with preserved LVEF% and no other possi- ble cause of CM is limited and often contradictory [16, 17]. More importantly, it is not clear how and when the negative LV remodeling will lead to PICM and heart ...
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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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The limited usefulness of real-time 3-dimensional echocardiography in obtaining normal reference ranges for right ventricular volumes
... 3: Right ventricular areas and area fraction obtained with 2-dimensional echocardiography from a single plane four-chamber view according to age group and ...
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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
... This study describes the technical details of AVT pacing and provides information about advantageous and disadvantageous pacemaker settings. Our study leads us to recom- mend a re-design of an AVT-capable external ...
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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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Ebstein's Anomaly—An Overview
... cyanosis, right-sided heart failure and ...with right-sided heart failure due to severe tricuspid regurgitation and an intact atrial septum, 55-year-old asymptomatic female with moderate high tricuspid ...
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Quality of Life in Patients with Implantable Cardioverter Defibrillators
... during thoracotomy for CABG application. SF-36 was used to evaluate the QOL in 490 (68%) of the 719 patients available at 6 month follow up. Of these, 262 patients had ICD while 228 were controls. Patients in the ICD ...
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Left ventricular apical diseases
... left ventricular (LV) apex; however, they are sometimes difficult to ...pseudoaneurysms, apical diverticula, apical ventric- ular remodelling, apical hypertrophic cardiomyopathy, LV ...
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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 subxiphoid view cannot replace the apical view for transthoracic echocardiographic assessment of hemodynamic status
... adequate apical and subxiphoid windows (scored excellent, good, or accepta- ble), LVEF (according to the Monoplane Simpson method) and RVEDA/LVEDA ratio were measured on both the apical and subxiphoid 2D ...
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Left atrial booster function in valvular heart disease
... atrial pacing stimulus during sequential A-V ...left ventricular ejection time, and left ventricular mean systolic pressure or stroke ...different pacing interventions showed no greater ...
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Pharmacologic and Hemodynamic Influences on the Rate of Isovolumic Left Ventricular Relaxation in the Normal Conscious Dog
... catheters. Isoproterenol (11 studies) augmented peak rate of rise of left ventricular pressure [(+) dP/dt] by 1,275±227 (SE) mm Hg/s (P < 0.001) and dP/dt at an isopressure point of 35 mm Hg during isovolumic ...
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