BEHESHTI, Mohammadali; NAYYAR, Sachin; MAGTIBAY, Karl; MASSÉ, Stéphane; PORTA-SANCHEZ, Andreu; HALDAR, Shouvik; BHASKARAN, Abhishek; VIGMOND, Edward; NANTHAKUMAR, Kumaraswamy

doi:10.1016/j.compbiomed.2018.05.025

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BEHESHTI, Mohammadali
University Health Network [Toronto, ON, Canada]

NAYYAR, Sachin
University Health Network [Toronto, ON, Canada]

MAGTIBAY, Karl
University Health Network [Toronto, ON, Canada]

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Computers in Biology and Medicine. 2018-11, vol. 102, p. 260-266

Elsevier

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Decremental response evoked with extrastimulation (DEEP) is a useful tool for determining diastolic return path of ventricular tachycardia (VT). Though a targeted VT ablation is feasible with this approach, determinants of DEEP response have not been studied OBJECTIVES: To elucidate the effects of clinically relevant factors, specifically, the proximity of the stimulation site to the arrhythmogenic scar, stimulation wave direction, number of channels open in the scar, size of the scar and number of extra stimuli on decrement and entropy of DEEP potentials.< Réduire

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Cardiac modeling

DEEP

Mapping

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Quantifying the determinants of decremental response in critical ventricular tachycardia substrate

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