JPH11235321A - Method and device for displaying result of electrocardiography - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and device for displaying the result of electrocardiography, making it easier to visually judge to which degree a waveform has been changed by guide as to electrocardiogram mensuration values to be compared. SOLUTION: This device includes an initialization means 101, which sets the kinds of electrocardiogram mansuration values to be compared and the correspondence between the degree of change in mensuration and a display color, and a comparison means 102, which mensuration an electrocardiogram before load as to each guide to preserve electrocardiogram waveforms and mensuration values, and which mensurates an electrocardiogram during or after load as to each guide to calculate the difference between the mensurations taken before and during or after load as to each guide. The device also includes a result display means 103 by which the waveforms and mensuration values before and during or after load are displayed on a display device 105 at they are arranged for the number of the guides, with the display core made to match the magnitude of change in mensuration value by referring to the correspondence, as preset by the initilization means, between change in mensuration value and the display color, and with a frame attached to the guide where the mensuration has changed most.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrocardiogram result display technique, and more particularly, to a method and apparatus for displaying results of an electrocardiogram test which makes it easy to discriminate changes from electrocardiogram waveforms and measured values before, during or after loading.

[0002]

2. Description of the Related Art Conventionally, in an electrocardiographic examination, an electrocardiogram is taken while a load such as a drug or exercise is applied, and a change appears in a waveform by comparing the electrocardiogram during or after the load with the electrocardiogram before the load is applied. Inspection methods are used to determine whether or not the test is performed.

[0003] As an apparatus for displaying an electrocardiogram waveform,
For example, Japanese Patent Application Laid-Open No. Sho 57-16441 discloses a method of comparing and analyzing data necessary for diagnosis among electrocardiographic data with previously obtained diagnostic data, and displaying the analysis result on the same display surface as the electrocardiogram waveform. There has been proposed a display circuit which includes an ECG and which can clearly display an abnormal part in an electrocardiogram waveform.

[0004]

However, when the ECG waveforms are compared and displayed to confirm the magnitude of the change, the conventional display method of displaying the ECG waveforms before and during or after the load and the measured values side by side is displayed. Then, it is difficult to see at a glance which lead changes the waveform and how much.

[0005] Therefore, the present invention has been made in view of the above-mentioned problems, and has as its object to visually determine which lead changes the waveform of an electrocardiogram measurement value to be compared. An object of the present invention is to provide a method and an apparatus for displaying a result of an electrocardiogram test for making it easy to determine.

[0006]

In order to achieve the above object, a method for displaying the result of an electrocardiogram test according to the present invention comprises the steps of: comparing and displaying electrocardiogram waveforms of a plurality of leads;
Measure the ECG waveform to be compared and change the display color, brightness, etc. of the waveform or measured value according to the magnitude of the difference in the measured value, or highlight it by enclosing it with a frame, etc. To make it easy to visually determine how much the waveform has changed.

[0007] The apparatus of the present invention sets initializing means for setting the type of ECG measurement value to be compared, sets the relationship between the degree of change in the measurement result and the display color, and displays the ECG before loading for each lead. Measure, save the acquired electrocardiogram waveform and the measured value in the storage means, then measure the electrocardiogram during or after loading for each lead, before and after loading for each lead, the measured value during or after loading The measured value comparing means for taking the difference, the waveform before and after the load, the waveform during or after the load and the measured value are arranged for the induction and displayed on the display device. At this time, the display color is the measurement preset by the initial setting means. By referring to the correspondence between the change in the value and the display color, a display color corresponding to the magnitude of the change in the measured value is set, and a guidance is most easily changed, for example, by attaching a frame to the guidance having the largest change in the measured value. And a result display means for displaying by .

[0008]

Embodiments of the present invention will be described. According to a preferred embodiment of the present invention, an apparatus (100 in FIG. 1) for comparing and displaying an electrocardiogram waveform measured by an electrocardiograph and a test result of a measured value includes an initial setting unit (101 in FIG. 1), Value comparison means (102 in FIG. 1),
And a result display means 103 (103 in FIG. 1).

The initial setting means (101 in FIG. 1) inputs and sets the type of the measured value to be compared from the input means (104 in FIG. 1), and the correspondence between the degree of change of the measured value and the display color. Is set in advance. The set correspondence is held in the storage means (106 in FIG. 1).

The measured value comparing means (102 in FIG. 1) measures the electrocardiogram before loading for each lead, and stores the electrocardiogram waveform and the measured value in the storage means (106 in FIG. 1). Subsequently, the electrocardiogram during or after load is measured for each lead for each lead for each lead, and the difference between the measured values before and during or after load is taken for each lead for each lead.

The result display means (103 in FIG. 1) displays on a screen of a display device (105 in FIG. 1) the waveforms before and during the load or after the load and the measured values are arranged in an inductive manner and displayed on the screen. The color is a color corresponding to the magnitude of the change in the measured value set by the initial setting means, and the guidance with the largest change in the measured value is displayed with, for example, a frame.

The result display method of the present invention, in a preferred embodiment thereof, comprises the following steps.

(Step a) The type of the electrocardiogram measurement value to be compared is set, and the correspondence between the degree of change in the measurement result and the display color is set.

(Step b) For each lead, an electrocardiogram before loading is measured for each heartbeat, and the obtained electrocardiogram waveform and measured value are stored. Then, for each lead, an electrocardiogram during or after loading for each heartbeat. Is measured, and the difference between the measured values before, during, or after the load is calculated for each lead.

(Step c) The waveforms before and after the load and during and after the load and the measured values are arranged in a guided manner and displayed on the display device. At this time, the change of the measured values and the color of the display color set in advance in the above step a are displayed. By referring to the correspondence, a display color corresponding to the magnitude of the change in the measured value is set, and among these, the guidance with the largest change in the measured value is highlighted with a frame or the like.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of the present invention;

FIG. 1 is a diagram showing the configuration of an embodiment of the present invention. Referring to FIG. 1, an embodiment of the present invention acquires an electrocardiogram measurement result from an electrocardiograph 110 that measures an electrocardiogram of a subject, and compares and displays an electrocardiogram waveform and a test result of the measurement value (data (Processing apparatus) 100 includes an initial setting unit 101, a measured value comparing unit 102, and a result displaying unit 103.
And A known electrocardiograph is used.

The initial setting means 101 selects and sets the type of the measured value to be compared by inputting an instruction from the input means 104 such as a keyboard or a mouse, and sets the degree of change of the measured value and the display color. The setting contents are stored in the storage unit 106. The display device 105 that displays the inspection result is preferably a device capable of displaying color.

The measured value comparing means 102 inputs a standard 12-lead electrocardiogram. That is, the electrocardiogram before loading is measured for each lead, and the electrocardiogram waveform and the measured value are stored in the storage means 10.
Save to 6. Data from the electrocardiograph 110 is converted into a digital signal by, for example, an AD (analog / digital) converter (not shown) and stored in the storage unit 106. The AD converter may be configured to be provided in the electrocardiograph, or the measurement value comparing means 102 may be provided with an AD converter to convert the analog output signal from the electrocardiograph into a digital signal.

The measured value comparing means 102 measures the electrocardiogram during or after the load for each lead for each lead.

Next, the measured value comparing means 102 calculates the difference between the measured values before, during and after the load for each lead for each lead.

The result display means 103 displays the waveforms before and during the load or after the load and the measured values for 12 leads on the screen of the display device 105. At that time, the result display means 1
In step 03, the display color corresponding to the magnitude of the change in the measured value obtained by the measured value comparing means 102 is referred to by referring to the correspondence between the degree of change in the measured value and the display color preset by the initial setting means 101. The guidance that is displayed and the change of the measured value is the largest is displayed with a frame, for example, on the display screen. Then, the display content of the result display screen is updated every heartbeat.

Next, an example of the operation of this embodiment will be described. FIG. 2 is a diagram illustrating an example of a result display screen according to an embodiment of the present invention.

The initial setting means 101 sets the type of measured value to be compared, the degree of change, and the display color.

The measurement value to be compared is selected from the QRS amplitude, ST level, T-wave amplitude, QT interval and the like. An example of specific contents of the setting is shown below.

[0026]

The measured value comparing means 102 inputs a standard 12-lead electrocardiogram, measures the ST level of each lead before loading, and stores the waveform and the measured ST level. During or after loading, the ST level is measured for each lead for each lead, and the difference between the ST level measured value before loading and during or after loading is calculated.

As shown in FIG. 2, the result display means 103 displays the waveforms before, during, or after the load, the ST level measurement value, and the waveform side by side for 12 leads. The display color of each lead was obtained by referring to the setting of the display color in the initial setting means 101 from the difference value of the ST level measured value before and during or after the load calculated for each lead in the measurement value comparison. Color. In addition, for the lead having the largest change, the waveform before loading, during loading, or after loading, the measured ST level value and the waveform are displayed in a frame. This display is updated every heartbeat.

[0029]

As described above, according to the present invention,
When comparing and displaying ECG waveforms of multiple leads and examining the magnitude of change, measure the ECG waveform to be compared, and display the color and brightness of the waveform and measured value according to the magnitude of the difference between the measured values By changing the waveform or highlighting it by enclosing it in a frame, it is possible to visually determine the degree of change in the waveform in each lead.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

FIG. 2 is a diagram illustrating an example of a result display screen according to an embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 data processing device 101 initial setting means 102 measurement result comparing means 103 result display means 104 input means 105 display device 106 storage means 110 electrocardiograph

Claims (4)

[Claims] 1. When comparing and displaying ECG test results, the display color or luminance of the ECG waveform to be compared is changed or the waveform is surrounded by a frame in accordance with the magnitude of the change. Displaying a result of an electrocardiogram test, wherein a waveform having a large value is highlighted. (A) setting the type of electrocardiogram measurement value to be compared and setting the correspondence between the degree of change in the measurement result and the display color; and (b) setting the lead of each lead before loading. Measure the electrocardiogram, save the obtained electrocardiogram waveform and the measured value, and then measure the electrocardiogram during or after loading for each lead, and for each lead, the difference between the measured value before loading and during or after loading. (C) displaying the waveforms before and after the load and during and after the load and the measured values for the induced values on the display device, and displaying the display color at the time of the measurement preset in the step (a). By referring to the correspondence between the change in the value and the display color, the display color is set according to the magnitude of the change in the measured value. Displaying in a simple form; and Results The method of electrocardiography characterized and. 3. An initial setting means for setting the type of electrocardiogram measurement value to be compared, setting the relationship between the degree of change in the measurement result and the display color, and measuring the electrocardiogram before loading for each lead. The acquired electrocardiogram waveform and the measured value are stored in the storage means, and then the electrocardiogram during or after the load is measured for each lead, and the difference between the measured value before the load and during or after the load is measured for each lead. Value comparison means, before and after loading, the waveform during and after the load and the measured value are displayed on the display device in an amount corresponding to the induction, and at this time, the display color is the change in the measured value preset by the initial setting means. Referring to the correspondence of the display colors, the display color is set to a display color corresponding to the magnitude of the change in the measured value, and the guidance is displayed in an easy-to-discriminate form, for example, by attaching a frame to the guidance with the largest change in the measured value. Display means; and That electrocardiogram test results display device. 4. The apparatus according to claim 1, wherein the measured value comparing means includes one for each lead.
The electrocardiogram during or after the load is measured for each heartbeat, and the difference between the measured value before the load and the measured value during or after the load is obtained for each lead for each lead, and the result display means displays the displayed content for each heartbeat. Update,
The electrocardiogram test result display device according to claim 3, wherein: