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Article: Jeopardised inferior myocardium (JIM) score: an arithmetic electrocardiographic score to predict the infarct-related artery in inferior myocardial infarction

TitleJeopardised inferior myocardium (JIM) score: an arithmetic electrocardiographic score to predict the infarct-related artery in inferior myocardial infarction
Authors
Issue Date2012
PublisherAcademy of Medicine Singapore. The Journal's web site is located at http://www.annals.edu.sg
Citation
Annals of the Academy of Medicine Singapore, 2012, v. 41 n. 7, p. 300-304 How to Cite?
AbstractINTRODUCTION: A few electrocardiographic criteria have been described to identify the infarct-related artery in inferior myocardial infarction. The aim of this study was to devise an arithmetic score to further improve the diagnostic accuracy. MATERIALS AND METHODS: From 2004 to 2006, 78 patients who underwent primary angioplasty for inferior myocardial infarction within 6 hours from symptom onset were recruited for electrocardiographic and angiographic analysis. RESULTS: The mean age of patients was 65 +/- 12 years with male predominance (74%). Less ST depression in lead I and aVL, and more prominent ST depression in lead V1-3 were observed in left circumflex artery (LCX) than right coronary artery (RCA) occlusions. In addition, more prominent ST depression in lead I and ST elevation in V1 were found in proximal RCA than distal RCA occlusions. Based on the findings, the Jeopardised Inferior Myocardium (JIM) score was constructed and defi ned as [II-V3/III+V1- I]. The sensitivity and specificity of JIM score 1.5 to predict LCX occlusions were 58% and 85%, 69% and 68%, and 79% and 94%, respectively. The accuracy of prediction is slightly better than the 2 previously reported criteria. CONCLUSION: By taking into account more leads, the JIM score is capable of identifying the infarct-related artery with an improved diagnostic accuracy.
Persistent Identifierhttp://hdl.handle.net/10722/164333
ISSN
2015 Impact Factor: 1.041
2015 SCImago Journal Rankings: 0.425
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorJim, MHen_US
dc.contributor.authorTsui, KLen_US
dc.contributor.authorYiu, KHen_US
dc.contributor.authorCheung, GSHen_US
dc.contributor.authorSiu, CWen_US
dc.contributor.authorHo, HHen_US
dc.contributor.authorChow, WHen_US
dc.contributor.authorLI, SKen_US
dc.date.accessioned2012-09-20T07:58:00Z-
dc.date.available2012-09-20T07:58:00Z-
dc.date.issued2012en_US
dc.identifier.citationAnnals of the Academy of Medicine Singapore, 2012, v. 41 n. 7, p. 300-304en_US
dc.identifier.issn0304-4602-
dc.identifier.urihttp://hdl.handle.net/10722/164333-
dc.description.abstractINTRODUCTION: A few electrocardiographic criteria have been described to identify the infarct-related artery in inferior myocardial infarction. The aim of this study was to devise an arithmetic score to further improve the diagnostic accuracy. MATERIALS AND METHODS: From 2004 to 2006, 78 patients who underwent primary angioplasty for inferior myocardial infarction within 6 hours from symptom onset were recruited for electrocardiographic and angiographic analysis. RESULTS: The mean age of patients was 65 +/- 12 years with male predominance (74%). Less ST depression in lead I and aVL, and more prominent ST depression in lead V1-3 were observed in left circumflex artery (LCX) than right coronary artery (RCA) occlusions. In addition, more prominent ST depression in lead I and ST elevation in V1 were found in proximal RCA than distal RCA occlusions. Based on the findings, the Jeopardised Inferior Myocardium (JIM) score was constructed and defi ned as [II-V3/III+V1- I]. The sensitivity and specificity of JIM score </=0.5 to predict proximal RCA occlusions; 0.5 <JIM score </=1.5 to predict distal RCA occlusions; and JIM score >1.5 to predict LCX occlusions were 58% and 85%, 69% and 68%, and 79% and 94%, respectively. The accuracy of prediction is slightly better than the 2 previously reported criteria. CONCLUSION: By taking into account more leads, the JIM score is capable of identifying the infarct-related artery with an improved diagnostic accuracy.-
dc.languageengen_US
dc.publisherAcademy of Medicine Singapore. The Journal's web site is located at http://www.annals.edu.sg-
dc.relation.ispartofAnnals of the Academy of Medicine Singaporeen_US
dc.subject.meshAlgorithms-
dc.subject.meshCoronary occlusion - diagnosis-
dc.subject.meshCoronary vessels - pathology-
dc.subject.meshElectrocardiography - methods-
dc.subject.meshInferior wall myocardial infarction - diagnosis-
dc.subject.meshCoronary angiography-
dc.subject.meshPredictive value of tests-
dc.subject.meshSensitivity and specificity-
dc.titleJeopardised inferior myocardium (JIM) score: an arithmetic electrocardiographic score to predict the infarct-related artery in inferior myocardial infarctionen_US
dc.typeArticleen_US
dc.identifier.emailYiu, KH: khkyiu@hku.hken_US
dc.identifier.emailSiu, CW: cwdsiu@hkucc.hku.hken_US
dc.identifier.emailJim, MH: jimmanh2002@yahoo.comen_US
dc.identifier.authorityYiu, KH=rp01490en_US
dc.identifier.authoritySiu, CW=rp00534en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.pmid22892607-
dc.identifier.scopuseid_2-s2.0-84865642917-
dc.identifier.hkuros209324en_US
dc.identifier.volume41en_US
dc.identifier.issue7en_US
dc.identifier.spage300en_US
dc.identifier.epage304en_US
dc.identifier.isiWOS:000307679600005-
dc.publisher.placeSingapore-

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