Electrocardiogram lead error correction method

An error correction method, electrocardiogram technology, applied in the medical field

Inactive Publication Date: 2012-02-15
NALONG SUZHOU INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the irrelevant electrodes always keep the zero potential unchanged, the measured potential change only represents the potential change of the probe electrode, so the interpretation of the waveform is relatively simple.

Method used

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Experimental program
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Embodiment 1

[0039] According to the standard 12-lead ECG connection (combined with figure 1 Shown) and the calculation principle, you can get the actual calculation method of the 12-lead data in the case of the wrong connection of the following connection lines.

[0040] (1) The left upper limb and the right upper limb are reversed:

[0041] Add negative sign to all data points of lead I;

[0042] The data of lead II and lead III are interchanged;

[0043] AVR lead and AVL lead data are interchanged.

[0044] (2) The right upper limb and left lower limb are reversed:

[0045] Add minus sign to all data points of lead II;

[0046] Lead I data is equal to all data points of lead III collected originally plus a minus sign;

[0047] The data of lead III is equal to the data of lead I originally collected and all data points plus a minus sign;

[0048] AVR lead and AVF lead data are interchanged.

[0049] (3) Reverse connection of left upper li...

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Abstract

The invention discloses an electrocardiogram lead error correction method, which is a practical calculation method for 12-lead data under the circumstance for an electrocardiogram lead line that the line is wrongly connected. On the basis of the standard 12-lead electrocardiogram line and a calculation principle, parts of 12-lead line are regulated and are subjected to data processing. The specific lead line has the following wrongly-connected situations that a left upper limb and a right upper limb are reversely connected; the right upper limb and a left lower limb are reversely connected; the left upper limb and a left lower limb are reversely connected; and chest leads are reversely connected. According to the situation, the corresponding lead regulation and data regulation are respectively carried out.

Description

technical field [0001] The invention relates to the medical field, in particular to an electrocardiogram lead error correction method. [0002] Background technique [0003] Animal body tissues and body fluids can conduct electricity, and the electrocardiograph's recording electrodes can be placed on any two non-isoelectric parts of the body surface to record images of ECG changes. This measurement method is called bipolar lead. , the measured potential change is the algebraic sum of the potential changes at two points on the body surface, and the analysis waveform is more complicated. If one of the two measuring electrodes, usually the electrode connected to the negative terminal of the tracer, is managed to keep its potential at zero potential, it becomes a so-called "irrelevant electrode", while the other measuring electrode is placed on a certain measurement point on the body surface. Point, as a "probing electrode", this measurement method is called a monopolar lead. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0402
Inventor 曾文斌钟玉秋
Owner NALONG SUZHOU INFORMATION TECH
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