Electrocardiography: the electrical axis.


The term "electrical axis of the heart" as conventionally used refers to the mean frontal-plane axis of the QRS complex. It is defined as the angle between the mean QRS vector and lead I and can be determined to the nearest 15 degrees by simple inspection of the frontal-plane leads. The axis is related to age and body build and deviates significantly from… (More)


  • Presentations referencing similar topics