axis Flashcards
1
Q
whats the normal axis
A
between -30 and +90
2
Q
what is the axis?
A
sum of all the ventricular forces during ventricular depolarisation
3
Q
whats should normal axis look like on ECG?
A
upward deflections in leads I, II, and III
4
Q
left axis deviation
A
-30 to -90
negative QRS deflections in II and III
can be Left ventricular hypertrophy, or MI
5
Q
right axis deviation
A
+90 to +180
Right ventricular hypertrophy
Pulmonic Embolism
Myocardial Infarction