left electrical axis
right electrical axis
The 6 frontal plane ECG leads form a hexaxial reference system
deviation to the right
Deviation to the left
normal position of the electrical axis of the heart, vertical,
vertical
normal electrical axis position: = +30 +69 ,
horizontal electrical axis position: = 0 +29 |
vertical electrical axis position: = +70 +90 |
(а,б). |
(а,б). |
left electrical axis deviation: = -1 -90 (в) |
right electrical axis deviation: = +91 +180 (в) |