Participant shown with chest connections in place ready for the 12-lead ECG measurement. Some areas of chest have been shaved to improve connectivity.

This resource can be downloaded or viewed using the link: ecg_12lead.jpg

If you have wget available (typically on linux systems), then you can also obtain a copy using the command

 wget  -nd  biobank.ctsu.ox.ac.uk/ukb/ukb/images/ecg_12lead.jpg