Electrocardiogram system for synthesizing leads and providing accuracy measure

A technology of electrocardiogram and lead, applied in the field of electrocardiogram system, can solve the problems of unhelpful interpretation of lead waveform, unhelpful ECG preparation, etc.

Inactive Publication Date: 2003-10-08
SIEMENS MEDICAL SOLUTIONS USA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, in both systems there is little information provided to the operator to alert the operator of the signal anomaly, which neither aids in the preparation of this ECG nor in the interpretation of the 12 ECG lead waveforms displayed

Method used

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  • Electrocardiogram system for synthesizing leads and providing accuracy measure
  • Electrocardiogram system for synthesizing leads and providing accuracy measure
  • Electrocardiogram system for synthesizing leads and providing accuracy measure

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Embodiment Construction

[0019] BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an illustration in block diagram form, with database blocks also shown in memory floor plan, illustrating a portion of an ECG system in accordance with the principles of the present invention. In FIG. 1 , it is intended that a plurality of electrodes 102 be attached at corresponding locations on the patient's body. The plurality of electrodes 102 are coupled to corresponding input terminals of a pre-processor 104 . Respective outputs of preprocessor 104 are coupled to corresponding inputs of memory 106 . Corresponding outputs of this memory 106 are coupled to inputs of an evaluation circuit 108 . The output of the analysis circuit 108 is coupled to the input of a database 110 .

[0020] In operation, the plurality of electrodes 102 are ECG electrodes intended to be attached at predetermined locations on the patient. In the illustrated embodiment, 10 electrodes are provided. The pre-processor 104 processes the signals fro...

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Abstract

An electrocardiogram (ECG) system includes a database for containing many entries. Each entry contains data used to synthesize a 12-lead ECG from the received ECG lead signals and a measure of the accuracy of the synthesized 12-lead ECG signal. The received ECG lead signal is missing one or more leads due to loosening of the corresponding electrode, or because it is not available at that location on the patient. The synthesized 12-lead ECG then synthesizes the missing lead. Additionally, the received 12-lead ECG may also be derived from the patient in a different position than the reference position. The synthesized 12-lead ECG converts the ECG to a 12-lead ECG of the patient in the baseline position. Additionally, the synthesized lead signal can be compared to the received lead signal to detect abnormal signals.

Description

[0001] This application is a formal application based on the Provisional Application, Serial No. 60 / 222,806, filed August 3, 2000, and entitled "Signal Processing Apparatus, Monitoring Method, User Interface [sic], and Analysis System for Synthesizing an Electrocardiogram". field of invention [0002] The present invention relates to electrocardiography (ECG) systems, and more particularly to an electrocardiography system that provides a composite signal corresponding to the signal produced by electrodes that provide the actual ECG signal. Background of the invention [0003] ECG systems are well known and provide physicians with information about the physiological state of a patient's heart. More specifically, there are so-called 12-lead ECG systems, which provide the physician with 12 waveforms called leads. To provide such a 12 lead ECG, 10 electrodes are placed on the patient and the signals from these electrodes are processed to provide 12 leads, all in a known manner....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/308A61B5/366G06F17/00
CPCA61B5/341A61B5/327A61B5/30A61B5/339
Inventor S·H·梅S·P·内尔万
Owner SIEMENS MEDICAL SOLUTIONS USA INC
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