Pre-conditioned ECG system and method

A technology with preset conditions and equipment, which is applied in the fields of bioelectrical signal measurement, medical science, diagnosis, etc., and can solve problems such as disputes

Inactive Publication Date: 2008-04-09
GENERAL ELECTRIC CO
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  • Description
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  • Application Information

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Problems solved by technology

To measure QT prolongation, a lot of work has been put into ECG acquisition and clinical trials, and there is debate whether Holter's recording data up to several hours or routine ECG ten-second resting data should be used

Method used

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  • Pre-conditioned ECG system and method
  • Pre-conditioned ECG system and method

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Embodiment Construction

[0016] Preconditional ECG systems and methods include various embodiments to avoid inappropriate heart rates for calculating QTc values ​​and other heart rate-related corrections. One embodiment is a data acquisition device configured to warn a patient whose ECG is to be taken to remain as relaxed as possible prior to data acquisition so that his heart rate remains in a steady state while the ECG data is being taken. Another embodiment includes monitoring heart rate 2-5 minutes before and during data collection and storing the ECG where the heart rate is most stable. Another parameter is the signal-to-noise level. Data analysis is performed only when the noise level is low, which can be indicated by a "green", "yellow" or "red" status. Here, "green" means the signal is noise-free; "yellow" means the signal is moderately noisy; and "red" means the signal is very noisy. In one case, the signal is stored and analyzed only when the "green" state occurs. In another case, the sig...

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Abstract

A pre-conditioned ECG system and method includes a patient signaling device configured to alert the patient to minimize the patient's activity so that an ECG measurement may be taken, and further alerts the patient when the measurement is completed. The pre-conditioned ECG system and method also includes a pre-set buffer configured to hold a preset length of ECG data, and further configured to hold pre-set ECG parameters such as mean R-R interval, standard deviation of R-R interval, or simple rhythm analysis. The system and method may analyze the current 10 seconds of ECG data when the preset parameters are met or when selected parameters are met.

Description

technical field [0001] The present invention relates to the field of cardiology. More specifically, the present invention relates to the field of specialist diagnostic cardiology. Background technique [0002] An important aspect of the diagnostic cardiology industry is the correct identification and measurement of the QT segment in the ECG signal, which is caused by a physiological condition known as QT delay. QT prolongation is a delay in the normal cardiac cycle caused by certain recently prescribed medications. To measure QT prolongation, a lot of work has gone into acquiring ECGs and clinical trials, and there is debate whether Holter's recordings of up to several hours or conventional ECG ten-second resting data should be used. [0003] Current electrocardiogram equipment or resting ECG equipment collects multi-lead readings for 10 seconds while pressing the acquisition button on the device, and the number of leads ranges from 12 to 16 leads. This simple setup is ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0402A61B5/352
CPCA61B5/0452A61B5/0456A61B2560/0276A61B5/352A61B5/349
Inventor M·科尔斯G·I·劳兰森J·Q·薛
Owner GENERAL ELECTRIC CO
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