Simple ways to determine the Mean Electrical Axis on ECGs of dogs and cats

Confused on how to determined the Mean Electrical Axis? There are several methods, and on this video you will learn how to use a quick approach that does not require a ruler or protractor. It is based on checking the amplitude of the QRS complexes on Lead I and aVF. It is not precise when compared to other methods, but it serves as a guide when you are in a hurry. By Pedro Diniz, DVM PhD Associate Professor in Small Animal Internal Medicine Western University of Health Sciences College of Veterinary Medicine