| Ventricular aneurysm | ST elevation in antero-septal leads | Old Q waves | Check old ECG and history of MI |
| Left ventricular hypertrophy | Up-sloping ST elevation in antero-septal leads
Down-sloping ST in lateral leads |
LVH voltage criteria | History of CCF or cardiomyopathy |
| Right ventricular hypertrophy | ST depression, T wave inversion antero-septal leads | Chronic lung disease (‘Cor Pulmonale’) |
