If the limb lead that was supposed to be attached to the right arm is put on the left arm — and vise-versa — a characteristic appearance will be seen on ECG that includes: Predominantly ...

I have spent thousands of hours (yes, thousands) looking at 12-lead ECG tracings, studying ECGs for the cardiology boards, interpreting ECGs for direct patient care, and developing ECG tutorials ...

The purpose of this study was to evaluate whether the 12-lead ECG could be substituted by ECG sets with a limited number of leads. Materials and methods: The performance of three ECG systems (ie ...