Anatomy Question Using the EKG shown below calculate the app

Anatomy Question:

Using the EKG shown below, calculate the approximate mean electrical axis.

a. +60°

b. -180°

c. -75°

d. +120°

Solution

the approximate mean electrical axis may be -180⁰ as the ekg leads may be defines according to the lead 1 and lead vf positions of the QRS deflection.