QRS complex

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Notion

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Science and technology

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What Wikipedia says

The QRS complex is the combination of three of the graphical deflections seen on a typical electrocardiogram (ECG or EKG). It is usually the central and most visually obvious part of the tracing.

Excerpt from the Wikipedia article “QRS complex”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Created by Agateller (Anthony Atkielski), converted to svg by atom., Public domain, via Wikimedia Commons.