RAD (Right Axis Deviation)
- RAD
- Normal variant (infant, young children, tall and slender young adult)
- Left posterior fasicular block (LPFB)
- Lateral MI
- Chronic obstructive lung disease (COPD). Presence of RA abnormality should help favor the diagnosis
- RVH
- WPW
LAD (Left Axis Deviation)
- LAD
- LAFB
- Primum atrial septal defect and few other congenital heart conditions
- Inferior MI
- LVH
- LBBB
- WPW
- Nonspecific IVCD
- Chronic lung disease with S1S2S3
- Hyperkalemia
- Limb leads switch