A left ventricular aneurysm can be diagnosed on ECG when there is persistent ST segment elevation occurring 6 weeks after a known transmural myocardial infarction (usually an anterior MI).

Aneurysms (AN) of right ventricular outflow ... of the 1-2+ group. RV/LV pressure ratios were higher in the 3-4+ pts at post-op cath (.65±.12 vs .42±.05, p<.01). Multiple levels of pre-op ...

Cardiac catheterization pressures were normal in all 8, with angiographic evidence of posterobasal aneurysm in 2/8 and increased LV trabeculation in 1/8. Cardiac biopsy was abnormal in only 2/5.

A left ventricular aneurysm can form after a transmural myocardial infarction and involves dilation of the left ventricular wall in an abnormal fashion. Most commonly, the apex of the heart is ...