Axis Deviation Flashcards
1
Q
What is axis deviation?
A
Cardiac axis describes the overall electrical spread of the heart
2
Q
What is the normal angles of deviation?
A
-30 -> 90
3
Q
What leads do you use?
A
Lead I for x axis
Lead aVF for y axis
4
Q
How do you calculate angle of deviation?
A
Calculate net change (small sqaures) of QRS complex of leads
Plot and calculate angle
5
Q
How do you tell left axis deviation?
A
QRS leaving each other
6
Q
How do you tell right axis deviation?
A
QRS reaching for each other