ST segment elevation in anterior precordial leads and right ventricular infarction. Apropos of 6 cases
ST segment elevation in the anterior precordial chest leads may be observed in some cases of right ventricular infarction alone or associated with left ventricular inferior wall infarction. Six out of 700 patients admitted to our Coronary Care Unit over a 2 year period had right ventricular infarcti...
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Published in | Archives des maladies du coeur et des vaisseaux Vol. 85; no. 1; p. 67 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | French |
Published |
France
01.01.1992
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Subjects | |
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Abstract | ST segment elevation in the anterior precordial chest leads may be observed in some cases of right ventricular infarction alone or associated with left ventricular inferior wall infarction. Six out of 700 patients admitted to our Coronary Care Unit over a 2 year period had right ventricular infarction with these electrocardiographic changes. In three cases, isolated right ventricular infarction was due to occlusion of a right marginal artery (N = 2) or of a small right coronary artery (N = 1) which only vascularised the right ventricle. In 2 cases, right ventricular infarction was associated with a recent or chronic left ventricular inferior wall infarct. This type of ST segment elevation may suggest a left ventricular anterior wall infarct especially when there are no changes in the inferior leads, as was the case in our first patient. However, the dome-like appearance of the ST segment, the reduction in amplitude of ST elevation from V2 to V5, the progressive regression of the ST changes without the appearance of Q waves, are more suggestive of the diagnosis of right ventricular infarction. In addition, normal left ventricular dilatation on echocardiographic examination rapidly confirms the diagnosis. |
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AbstractList | ST segment elevation in the anterior precordial chest leads may be observed in some cases of right ventricular infarction alone or associated with left ventricular inferior wall infarction. Six out of 700 patients admitted to our Coronary Care Unit over a 2 year period had right ventricular infarction with these electrocardiographic changes. In three cases, isolated right ventricular infarction was due to occlusion of a right marginal artery (N = 2) or of a small right coronary artery (N = 1) which only vascularised the right ventricle. In 2 cases, right ventricular infarction was associated with a recent or chronic left ventricular inferior wall infarct. This type of ST segment elevation may suggest a left ventricular anterior wall infarct especially when there are no changes in the inferior leads, as was the case in our first patient. However, the dome-like appearance of the ST segment, the reduction in amplitude of ST elevation from V2 to V5, the progressive regression of the ST changes without the appearance of Q waves, are more suggestive of the diagnosis of right ventricular infarction. In addition, normal left ventricular dilatation on echocardiographic examination rapidly confirms the diagnosis. |
Author | Scanu, P Lognoné, T Bureau, G Gofard, M Valette, B Commeau, P Grollier, G Potier, J C |
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BackLink | https://www.ncbi.nlm.nih.gov/pubmed/1550436$$D View this record in MEDLINE/PubMed |
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SubjectTerms | Adult Aged Coronary Angiography Echocardiography Electrocardiography Humans Male Middle Aged Myocardial Infarction - physiopathology Ventricular Function, Left Ventricular Function, Right |
Title | ST segment elevation in anterior precordial leads and right ventricular infarction. Apropos of 6 cases |
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