Why the study?
Does cardiac magnetic resonance imaging help differentiate the etiology of anterior ST elevation in patients with normal coronary angiography and echocardiography?
Does cardiac magnetic resonance imaging help differentiate the etiology of anterior ST elevation in patients with normal coronary angiography and echocardiography?
Cardiac magnetic resonance imaging is a useful modality for identifying overlooked causes of anterior STEMI, such as conus artery occlusion, when standard angiography and echocardiography are unrevealing.
May warrant considering conus branch occlusion in unexplained anterior STEMI; leaves open CMR's diagnostic role pending validation.
Acute ST elevation in the anterior precordial leads typically suggests an anteroseptal infarction due to left anterior descending coronary artery obstruction, but the differential can be broad. Conus branch artery occlusion is a potentially overlooked cause of anteroseptal ST elevation myocardial infraction. Cardiac magnetic resonance (CMR) imaging is an emerging technology which can differentiate the etiology of anterior ST elevation in patients with no apparent coronary abnormalities on coronary angiography and normal echocardiography.
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Lyle et al. (2016) studied this question.
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