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Normal ECG Values Charts

Understand the basics of an ECG with our handy Normal ECG Values Chart. Download our free PDF today to learn more!

Ericka Pingol avatar

By Ericka Pingol on Aug 2, 2025.

Fact Checked by Nate Lacson.

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Normal ECG Values Charts Template

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Commonly asked questions

Normal electrocardiogram (ECG) values include a heart rate of 60-100 beats per minute, a PR interval of 0.12-0.22 seconds, a QRS complex duration of ≤ 0.12 seconds, and a QT interval of 0.36-0.44 seconds, among others, as outlined in our template.

Abnormal electrocardiogram (ECG) readings may include prolonged QT intervals, ST segment elevation or depression, T wave inversion, and abnormal QRS complex duration, all of which could indicate underlying cardiac conditions.

The most common electrocardiogram (ECG) problems include atrial fibrillation, ventricular hypertrophy, myocardial infarction, and heart blocks, all of which can be detected through careful analysis of the ECG components.

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