The Electrocardiogram (EKG or ECG)

Author: Scott A. Sheffield MS

Last update:

The electrocardiogram (ECG or EKG) is a test that measures the electrical activity of the heart over a period of time. The activity is shown via a pattern of specific lines and waves on the ECG output.

  1. image descriptionP wave
The P wave EKG recording animation slide 1
The P wave EKG recording animation slide 2
The P wave EKG recording animation slide 3
The P wave EKG recording animation slide 4
The P wave EKG recording.
  1. image descriptionAV node delay
The P wave EKG recording animation slide 4
AV node delay EKG recording animation slide 1
AV node delay EKG recording animation slide 2
The AV node delay EKG recording.
  1. image descriptionQRS wave
QRS wave EKG recording animationn slide 1
QRS wave EKG recording animationn slide 2
QRS wave EKG recording animationn slide 3
QRS wave EKG recording animationn slide 4
The QRS wave EKG recording.
  1. image descriptionT wave

Make sure your heart anatomy knowledge is on point. Discover gaps in your knowledge with these interactive heart anatomy quizzes and labelling exercises.

T wave EKG recording animation slide 1
T wave EKG recording animation slide 2
T wave EKG recording animation slide 3
T wave EKG recording animation slide 4
The T wave EKG recording.
  1. image descriptionFull EKG animation
The P wave EKG recording animation slide 1
The P wave EKG recording animation slide 2
The P wave EKG recording animation slide 3
The P wave EKG recording animation slide 4
AV node delay EKG recording animation slide 1
AV node delay EKG recording animation slide 2
QRS wave EKG recording animationn slide 1
QRS wave EKG recording animationn slide 2
QRS wave EKG recording animationn slide 3
QRS wave EKG recording animationn slide 4
T wave EKG recording animation slide 1
T wave EKG recording animation slide 2
T wave EKG recording animation slide 3
T wave EKG recording animation slide 4
Full EKG recording.
Related Articles
Featured image of the electrical conduction system of the heart.
Electrical conduction system of the heart

Review the main components of the hearts electrical conduction system in this interactive tutorial and test your knowledge.
Featured image for the placement of ECG electrodes
ECG Electrode Placement

ECG electrodes are placed on various points of the body to record the electrical activity of the heart. Review their configuration in this tutorial.