The electrocardiographic diagnosis of acute myocardial infarction in the thrombolytic era
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Cited by (58)
Left circumflex occlusion in acute myocardial infarction (from the National Cardiovascular Data Registry)
2011, American Journal of CardiologyCitation Excerpt :STEMI secondary to LCx territory occlusion conferred a greater risk than NSTEMI, which might reflect the more proximal location of the occluded lesion resulting in larger infarcts, a greater risk of hemodynamic complications, and increased mortality. Previous reports have indicated that ST-segment elevation in LCx territory occlusion are detected on the ECG in <50% of cases.1–4,9 It is possible that the greater incidence of STEMI in the present study could be attributed to physician vigilance, with additional diagnostic modalities, including earlier angiography, additional electrocardiographic leads, or bedside echocardiography in trying to detect occlusions not apparent on the 12-lead ECG.
If at first you don't perceive...
2011, American Journal of MedicineAcute myocardial infarction due to left circumflex artery occlusion and significance of ST-Segment elevation
2010, American Journal of CardiologyIncidence, distribution, and prognostic impact of occluded culprit arteries among patients with non-ST-elevation acute coronary syndromes undergoing diagnostic angiography
2009, American Heart JournalCitation Excerpt :Previous studies have shown that classic ST-segment elevation or new left bundle-branch block is absent in up to one third of patients with an acute MI.21,22 The 12-lead ECG is particularly insensitive for circumflex artery occlusions because of the absence of lateral leads and late depolarization of the lateral wall that results in less visible Q waves in that territory.23,24 Classic ST-segment elevation is seen in leads I, aVL, V5, and V6 in only up to 50% of patients with circumflex artery occlusions.25
Acute angiographic analysis of non-ST-segment elevation acute myocardial infarction
2004, American Journal of CardiologyElectrocardiographic algorithm for assignment of occluded vessel in acute myocardial infarction
2003, International Journal of Cardiology
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From the Division of Cardiology, Department of Medicine, Bronx Veterans Administration Medical Center, and the Division of Cardiology, Department of Medicine, Mount Sinai School of Medicine.