ECG: Leads and Axis Flashcards
1
Q
Which leads correspond to the antero-septal area of the heart?
A
V1-V2
2
Q
What are the 3 inferior leads?
A
Lead II, III, avF
3
Q
What are the 2 anterior leads?
A
V3-V4
4
Q
What are the lateral leads?
A
V5-V6; I; avL
5
Q
What are 4 reason the axis may be shifted?
A
- physical change
- chamber hypertrophy
- conduction block
- infarction
6
Q
What degree of axis is NAD?
A
-30 to +90
7
Q
What degree of axis is LAD?
A
-30 to -90
8
Q
What degree of axis is RAD?
A
+90 to +180
