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multipolar electrogram configuration  (Anter Corporation)

 
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    Anter Corporation multipolar electrogram configuration
    Multipolar Electrogram Configuration, supplied by Anter Corporation, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/electrograms/multipolar+electrogram+configuration/pmc11956854-343-7-0
    Average 90 stars, based on 1 article reviews
    multipolar electrogram configuration - by Bioz Stars, 2026-11
    90/100 stars

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    Related Articles

    Fractionation:

    Article Title: Limitations and Pitfalls of Substrate Mapping for Ventricular Tachycardia.
    Article Snippet: Ma The fundamental hypothesis of substrate mapping for scar-mediated ventricular tachycardia is that surrogates of the isthmus can be identified and targeted with ablation during sinus rhythm.. These surrogates include electrocardiographic indications for electric discontinuity such as fractionation, split, late, and long potentials, also evident as sites displaying activation slowing.. However, ablation strategies targeting these surrogates during sinus rhythm have resulted in unacceptably high rates of clinical failures, promoting the idea that a more widespread ablation may be required.

    Activation Assay:

    Article Title: Limitations and Pitfalls of Substrate Mapping for Ventricular Tachycardia.
    Article Snippet: Ma The fundamental hypothesis of substrate mapping for scar-mediated ventricular tachycardia is that surrogates of the isthmus can be identified and targeted with ablation during sinus rhythm.. These surrogates include electrocardiographic indications for electric discontinuity such as fractionation, split, late, and long potentials, also evident as sites displaying activation slowing.. However, ablation strategies targeting these surrogates during sinus rhythm have resulted in unacceptably high rates of clinical failures, promoting the idea that a more widespread ablation may be required.

    other:

    Article Title: Assessing the ability of substrate mapping techniques to guide ventricular tachycardia ablation using computational modelling.
    Article Snippet: Furthermore, in experiments with swine with healed infarction, Anter and colleagues [11] showed that VT critical zones consistently occur in areas with abnormal electrograms with voltages lower than 0.55 mV during sinus rhythm.



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    Image Search Results


    Representative example of an induced ExPVT from the LA septum during isoproterenol provocation test. ( A ) Intracardiac electrograms showing AF initiation by an ExPVT induced during provocation. The earliest activation (circle marked by a pointed arrow) is recorded by the circular mapping catheter positioned at the LA septum, consistent with panels D and E . ( B ) Fluoroscopic image (AP view) showing a left atriogram with pulmonary venogram and initial positioning of multielectrode diagnostic catheters. ( C ) Standardized catheter configuration (AP view) during provocation testing, including a quadripolar catheter in the SVC, a decapolar across the high RA and septum, and a duodecapolar along the CS and low RA. A PV mapping catheter, typically positioned at the LA posterior wall, varied in type depending on availability, operator preference, and patient characteristics. ( D ) Electroanatomical activation map identifying the earliest trigger point (white arrow) of the ExPVT from the LA septum. ( E ) Electroanatomical voltage map showing a low-voltage area at the LA septum compatible with the AF trigger site. Abbreviations: AF, atrial fibrillation; AP, anterior posterior; CS, coronary sinus; ExPVT, extra-pulmonary vein trigger; HRA, high right atrium; LA, left atrium; LRA, low right atrium; PV, pulmonary vein; RA, right atrium; SR, sinus rhythm; SVC, superior vena cava.

    Journal: Europace

    Article Title: Mapping and ablation outcomes of extra-pulmonary vein triggers in atrial fibrillation: single-centre retrospective study with consistent provocation protocol

    doi: 10.1093/europace/euaf225

    Figure Lengend Snippet: Representative example of an induced ExPVT from the LA septum during isoproterenol provocation test. ( A ) Intracardiac electrograms showing AF initiation by an ExPVT induced during provocation. The earliest activation (circle marked by a pointed arrow) is recorded by the circular mapping catheter positioned at the LA septum, consistent with panels D and E . ( B ) Fluoroscopic image (AP view) showing a left atriogram with pulmonary venogram and initial positioning of multielectrode diagnostic catheters. ( C ) Standardized catheter configuration (AP view) during provocation testing, including a quadripolar catheter in the SVC, a decapolar across the high RA and septum, and a duodecapolar along the CS and low RA. A PV mapping catheter, typically positioned at the LA posterior wall, varied in type depending on availability, operator preference, and patient characteristics. ( D ) Electroanatomical activation map identifying the earliest trigger point (white arrow) of the ExPVT from the LA septum. ( E ) Electroanatomical voltage map showing a low-voltage area at the LA septum compatible with the AF trigger site. Abbreviations: AF, atrial fibrillation; AP, anterior posterior; CS, coronary sinus; ExPVT, extra-pulmonary vein trigger; HRA, high right atrium; LA, left atrium; LRA, low right atrium; PV, pulmonary vein; RA, right atrium; SR, sinus rhythm; SVC, superior vena cava.

    Article Snippet: Intracardiac electrograms were recorded using the Prucka CardioLabTM Electrophysiology system (General Electric Medical Systems, Inc., Milwaukee, WI, USA), and 3D electro-anatomical maps were created with the NavX (Abbott, Inc., Chicago, IL, USA) or CARTO (Biosense Webster, Diamond Bar, CA, USA) systems, using a PV-mapping catheter (Reflexion Spiral, AdvisorTM FL Circular, or HD Grid from Abbott, Inc.; AFocus, Lasso, PentaRay, or OctaRay from Biosense Webster, Inc.) through a long sheath.

    Techniques: Activation Assay, Diagnostic Assay