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Reduced electrode electrocardiography system

An electrocardiogram and electrode technology, applied in the field of electrocardiogram system, can solve the problems that patients are not constant, prone to errors, and unfamiliar

Active Publication Date: 2006-07-05
太空实验室保健有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] A known problem with reduced electrode sets is that the transformations required to synthesize the desired leads are not constant from patient to patient
[0010] Existing electrode reduction solutions can also be prone to error due to unfamiliarity with the non-standard ECG locations they are being used in, and, for the same reason, make it difficult to verify the accuracy of the readings

Method used

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Examples

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Embodiment Construction

[0114] figure 1 A standard 12-lead electrocardiogram (ECG) system is illustrated, well known in the art, where 12 "leads" (or signals) are obtained from a patient using 10 electrodes placed on the skin. These electrodes were placed in standardized positions as described below: electrode RA on the right wrist; electrode LA on the left wrist; electrode LL (or F) on the left ankle; electrode RL (or reference electrode) on the right ankle; electrode V1 At the fourth intercostal space on the right border of the sternum; electrode V2 at the fourth intercostal space on the left border of the sternum; electrode V4 at the fifth intercostal space on the left midclavicular line; electrode V3 between V2 and V4; electrode V5 at the level of V4 on the left anterior axillary line; the level of electrodes V6 and V5 on the left midaxillary line. It should be noted that limb electrodes are often placed on the patient's upper arms and thighs, and this movement produces only minimal changes to t...

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Abstract

A method for obtaining a set of electrocardiographic (ECG) signals by: receiving signals from a first group of electrodes connected to predetermined locations on a human body to acquire a first set of ECG signals; synthesising at least one further ECG signal using predetermined transformation (s) on said first set of ECG signals or a subset thereof to form a synthesised set of ECG signals, each synthesised signal corresponding to a location on the body (hereinafter referred to as the synthesised location); detecting the body's posture; and selecting or modifying the transformations used in said synthesising step on the basis of the detected body posture, so as to reduce posture-induced inaccuracies between each synthesised signal and a real signal that would be measured at the synthesised location in the detected body posture.

Description

technical field [0001] The present invention relates to an electrocardiogram system with reduced electrodes. In particular, the present invention relates to a system for synthesizing a standard twelve-lead electrocardiogram or similar from measurements using fewer leads. Background technique [0002] An electrocardiograph (or ECG) is one of the most important non-invasive diagnostic tools available to cardiologists. During the development of electrocardiographs, a standard set of methods for obtaining an electrocardiogram from a patient has been developed. These standard methods include: 12-lead ECG, 9-lead ECG, 15-lead ECG, and vector ECG. [0003] The 12-lead ECG is by far the most common of these methods and is therefore often referred to as a "standard 12-lead ECG", or even a "standard ECG". The 12 "leads" (or signals) are obtained from a patient using 10 electrodes that are placed on the patient's skin in standard locations on the body. Each electrode is connected t...

Claims

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Application Information

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IPC IPC(8): A61B5/0428A61B5/308
CPCA61B5/04028A61B5/6823A61B5/0428A61B5/0006A61B5/0404A61B5/103A61B5/1116A61B5/332A61B5/327A61B5/30A61B5/308A61B5/28
Inventor 斯图尔特·唐纳德-拜恩
Owner 太空实验室保健有限公司
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