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Usefulness of ST elevation II/III ratio and ST deviation in lead I for identifying the culprit artery in inferior wall acute myocardial infarction

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  • New ST-segment algorithms to determine culprit artery location in acute inferior myocardial infarction

    2016, American Journal of Emergency Medicine
    Citation Excerpt :

    Rarely, acute inferior myocardial infarction may result from occlusion of the LAD branch [28,29], which is the terminal portion of a “wraparound” LAD, but this was not the case in any of our patients. Among the 274 patients with acute inferior STEMI in the current study, the culprit artery was RCA in 228 patients and LCx in 46 patients, a ratio of 5:1, consistent with previous studies of 2.2:1 to 7.0:1 [12,13,16,26,30]. Inferior myocardial infarction with total occlusion of the proximal RCA often has hemodynamic complications or arrhythmias [3,4], where there is a chance for right ventricular infarction which makes nitroglycerin relatively contraindicated.

  • Right ventricular echocardiographic parameters for prediction of proximal right coronary artery lesion in patients with inferior wall myocardial infarction

    2016, Journal of the Saudi Heart Association
    Citation Excerpt :

    ECG directs the emergency treatment pathways and helps with predicting the culprit artery. However, the sensitivity for conventional ECG criteria is low for identifying the culprit artery in inferior STEMI [20–24]. Echocardiography has become the mainstay in the evaluation of the RV in daily clinical practice.

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