Skip to Content

COVID-19 Info:  Vaccines | Testing | Visitor GuidelinesStats | More

IMPORTANT NOTICE: COVID-19 testing appointments are not available at Cone Health emergency departments or urgent care locations. Click here for testing options.

Electrocardiogram and electrode placement

Where EKG electrodes are placed

An electrocardiogram (EKG, ECG) is a test that measures the electrical signals that control heart rhythm. The test measures how electrical impulses move through the heart muscle as it contracts and relaxes.

During an electrocardiogram, small pads or patches (electrodes) are attached to the skin on the chest, arms, and legs. The electrodes are also connected to a machine that translates the electrical activity into line tracings on paper. These tracings are often analyzed by the machine and then carefully reviewed by a doctor for abnormalities.

Current as of: April 29, 2021

Author: Healthwise Staff
Medical Review:
Rakesh K. Pai MD, FACC - Cardiology, Electrophysiology
Adam Husney MD - Family Medicine
Martin J. Gabica MD - Family Medicine
George Philippides MD - Cardiology

Wellness Matters

Subscribe to our Wellness Matters e-newsletter, a monthly snapshot of the some of great wellness content from Cone Health providers.

Subscribe Now

Health Library

  • Electrocardiogram and electrode placement