Abstract
Persistent ST elevation after healing of myocardial infarction (MI) is often cited as an electrocardiographic sign of left ventrlcular (LV) aneurysm. This sign is rare in patients with coronary artery disease who have normal or only mildly deranged LV function and is most often associated with QRS patterns indicative of large MI, especially anterior wall MI. To determine whether ST elevation identifies a distinctive abnormality of LV function that might be labeled LV aneurysm, global and regional LV function in 12 patients with QRS patterns of anterior MI and ST elevation were compared with that in 12 patients with similar QRS abnormalities but without ST elevation by means of radionuclide ventriculography. All measured parameters of ventricular function were similar in the 2 groups. ST elevation could not be demonstrated to predict a distinctive abnormality that might be labeled LV aneurysm.
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