Pixy
Printed ECG trace on grid paper showing twelve heart rhythm leads

Health and medicine

Electrocardiogram trace at 105 beats per minute

A printed electrocardiogram of a 25-year-old man with a heart rate of 105 beats per minute, showing twelve leads on red grid paper.

Open the original (4,500 × 3,470 px) (opens in a new tab)

By
Blackeyelion
Licence
CC0 (opens in a new tab): free for any use, including commercial
Source
Wikimedia Commons (opens in a new tab)
Tags
electrocardiogram, ecg, heart rate, cardiology, medical test

Credit (appreciated, not required)

Photo: Blackeyelion via Pixy (https://pixy.org/1126005/)

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