What is a standard electrocardiogram? What are the common specifications?

Time : 2023-12-22

Standard ECG paper is an indispensable tool in ECG examination. It is a standardized paper with specific specifications and characteristics used for recording electrocardiogram signals. In this article, we will introduce the characteristics of standard ECG charts and the specifications of common ECG charts on the market.

Characteristics of standard electrocardiograms

Standard ECG paper is usually white and consists of horizontal and vertical lines forming a grid. This grid usually consists of five large grids and small grids. The width of each small grid is 1mm and the width of each large grid is 5mm. There are marks between the horizontal lines to indicate time. Each large grid represents 0.2 seconds and each small grid represents 0.04 seconds. There are also markings between the vertical lines to indicate voltage, with each small grid representing 0.1 millivolts and each large grid representing 0.5 millivolts.

In addition, standard ECG charts have other features. For example, it usually has standard margins and labels for recording the patient's name, gender, age, examination date, etc. Standard ECG papers are also available in different sizes and colors to accommodate different types of ECG exams.

Common ECG chart specifications on the market

There are many different specifications of ECG papers on the market, and each specification is suitable for different types of ECG examinations.

The following are several common ECG chart specifications:

1. 210mm x 280mm: This is the most common ECG paper size and is suitable for standard 12-lead ECG examinations.

2. 110mm x 140mm: This size of ECG paper is suitable for single-lead ECG examinations and is usually used for examinations of children and small animals.

3. 216mm x 280mm: This size of electrocardiogram is suitable for 24-hour ambulatory electrocardiogram examination, also known as Holter monitoring.

4. 110mm x 140mm (long strip): This size of ECG paper is suitable for exercise ECG examinations and is usually used to evaluate the heart's response during exercise.

Summarize

Standard ECG paper is an integral part of the ECG examination. It has specific specifications and features and is used to record ECG signals. There are many different specifications of ECG papers on the market, and each specification is suitable for different types of ECG examinations. Understanding these specifications and characteristics can help doctors and technicians better understand and interpret ECG results to better diagnose and treat patients.

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