When looking at a 12-lead ECG, a few logistics must be understood. First, the standard 12-lead ECG is a 10-second strip. The bottom one or two lines will be a full “rhythm strip” of a specific ...

It was tested in a prospective, single-blind study of 200 heart patients against the standard traditional 12-lead EKG ...

For example, the normal QRS complex in lead V1 does not contain a Q wave ... When the duration is between 0.10 and 0.12 seconds, it is intermediate or slightly prolonged.