ELECTROANATOMICAL MAP RE-ANNOTATION

A method comprises the steps of: receiving, from mapping electrodes positioned at locations within a heart, signals indicating electrical activity in a tissue coming in contact with the electrodes; and processing the signals to identify, for each location, at least one corresponding LAT in a cycle o...

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Main Authors KATZ NATAN SHARON, ZAR LIOR, COHEN BENJAMIN
Format Patent
LanguageEnglish
Korean
Published 18.02.2021
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Abstract A method comprises the steps of: receiving, from mapping electrodes positioned at locations within a heart, signals indicating electrical activity in a tissue coming in contact with the electrodes; and processing the signals to identify, for each location, at least one corresponding LAT in a cycle of the heart. For each location, an earliest LAT in the cycle is identified, and an electroanatomical map including mapping points having respective locations and showing the earliest LAT at each location is generated and rendered. An input which selects a subset of the points is received, and a time range which contains the earliest LAT of a majority of the points in the subset is identified. One or more external points in the subset are identified, and a second LAT, later than the earliest LAT in the cycle is found among the at least one identified LAT identified at the external points. The map is updated to display the found second LAT. 방법이, 심장 내의 위치에 위치되는 매핑 전극으로부터, 전극과 접촉하는 조직에서의 전기적 활성을 나타내는 신호를 수신하는 단계, 및 각각의 위치에 대해, 심장의 주기에서 적어도 하나의 대응하는 LAT를 식별하도록 신호를 처리하는 단계를 포함한다. 각각의 위치에 대해, 주기에서 가장 빠른 LAT가 식별되고, 각각의 위치를 갖는 매핑 지점을 포함하고 각각의 위치에서 가장 빠른 LAT를 보여주는 전기해부학적 맵이 생성 및 렌더링된다. 지점의 서브세트를 선택하는 입력이 수신되고, 서브세트 내의 대다수의 지점들 중 가장 빠른 LAT를 포함하는 시간 범위가 식별된다. 서브세트에서 하나 이상의 외부의 지점이 식별되고, 외부의 지점에서 식별된 적어도 하나의 식별된 LAT 중에서, 주기에서 가장 빠른 LAT보다 나중의, 제2 LAT가 발견된다. 발견된 제2 LAT를 표시하도록 맵이 업데이트된다.
AbstractList A method comprises the steps of: receiving, from mapping electrodes positioned at locations within a heart, signals indicating electrical activity in a tissue coming in contact with the electrodes; and processing the signals to identify, for each location, at least one corresponding LAT in a cycle of the heart. For each location, an earliest LAT in the cycle is identified, and an electroanatomical map including mapping points having respective locations and showing the earliest LAT at each location is generated and rendered. An input which selects a subset of the points is received, and a time range which contains the earliest LAT of a majority of the points in the subset is identified. One or more external points in the subset are identified, and a second LAT, later than the earliest LAT in the cycle is found among the at least one identified LAT identified at the external points. The map is updated to display the found second LAT. 방법이, 심장 내의 위치에 위치되는 매핑 전극으로부터, 전극과 접촉하는 조직에서의 전기적 활성을 나타내는 신호를 수신하는 단계, 및 각각의 위치에 대해, 심장의 주기에서 적어도 하나의 대응하는 LAT를 식별하도록 신호를 처리하는 단계를 포함한다. 각각의 위치에 대해, 주기에서 가장 빠른 LAT가 식별되고, 각각의 위치를 갖는 매핑 지점을 포함하고 각각의 위치에서 가장 빠른 LAT를 보여주는 전기해부학적 맵이 생성 및 렌더링된다. 지점의 서브세트를 선택하는 입력이 수신되고, 서브세트 내의 대다수의 지점들 중 가장 빠른 LAT를 포함하는 시간 범위가 식별된다. 서브세트에서 하나 이상의 외부의 지점이 식별되고, 외부의 지점에서 식별된 적어도 하나의 식별된 LAT 중에서, 주기에서 가장 빠른 LAT보다 나중의, 제2 LAT가 발견된다. 발견된 제2 LAT를 표시하도록 맵이 업데이트된다.
Author KATZ NATAN SHARON
COHEN BENJAMIN
ZAR LIOR
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Snippet A method comprises the steps of: receiving, from mapping electrodes positioned at locations within a heart, signals indicating electrical activity in a tissue...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
Title ELECTROANATOMICAL MAP RE-ANNOTATION
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