Opening an ECG File

The ECG file type is primarily associated with ECG Viewer.

ECG	File extension: ECG
	File type:	data file

What is an ECG file?

ECG files mostly belong to ECG Viewer. ECG files store the electrical activity data of the heart. They are used to record the signal over time and can contain raw values or plain text data.
These files are mainly used in a clinical or research context for analyzing heart rhythms. They appear in various structured forms from different providers.

Data Type: Recorded signals that show the heart's electrical activity.

Usage: Primarily used for diagnosing and monitoring cardiac performance in both human and animal patients.

Variations: Some versions are plain text while others use a specialized binary format. Providers include CardioVision, ECG Viewer, ISHNE, and others. See ISHNE for format details.

Additional Context: The files may come with descriptive data to help convert the signal into a readable format for further analysis.

How to open ECG files

You need a suitable software like ECG Viewer to open an ECG file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ECG file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ECG file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ECG Text Viewer

Choose your .ecg file to analyze

or drag and drop it here

Online File Viewer

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ECG file format details:

Why is it important to know the file format? This is the only way to find out which program to use to open the file. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. When there is a problem with a file, the first step to solving it is to determine the file format. Our evaluation of the ECG files is as follows:

ECG is a very widely used file extension. The file type is used by a few programs, each with its own file format. The following file formats are most commonly found in ECG files:

• 20% of all ECG files have the same signature 01 00 01 07. The contents of these files cannot be read by a human; only a computer program can interpret the data. The files are 11 KB to 30 KB in size, with a median of 22 KB. This file type is based on cutting-edge technology. A common filename is 00000000.ECG or 00000001.ECG.
• 9% of all ECG files start with the bytes 00 17 00 00 crucial for this file format. The contents of these files cannot be read by a human; only a computer program can interpret the data. A typical file size is 110 KB.

All other ECG files (71%) have no uniform format, often, for example, XML, ECG, ISHNE, GCE and UUUU. They are often associated with data, demo, ishne, taken, primahlt or sample. Drag & drop your file here to see the file format and a preview of your ECG file!