Changing Axis

A changing axis means that the overall direction of ventricular depolarisation is different for some beats of the ECG.

A changing axis can be caused by ectopic beats, or multple rhythms from competing origins. This pattern is unusual.

See also: QRS axis

Can you add to the information on this page?

This ECG Archive is an academic, non-commercial #FOAMed project aiming to crowdsource a free open access database of ECGs and signs. If you include your personal details such as your name you will be attributed for your contribution, unless you tell us that you don't want this to happen. Personal contact details such as email addresses will not be published but may be used to email you in reply. Full project details and participant information available here.

Featured Example