Right ventricular infarction simulating the Brugada syndrome

Ortega-Carnicer, Julián; Martín-Rodríguez, Carmen; Portilla-Botelho, Mariana

doi:10.1016/j.resuscitation.2005.11.006

Cited by 1 publication

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“…Aunque el IAM o la isquemia en el tracto de salida del ventrículo derecho puede causar una E-ST simulando un SB [15][16][17] , este mecanismo no estuvo implicado en los casos presentados, pues la E-ST anterior apareció tras la normalización del ST en la cara inferior y luego permaneció crónicamente elevado a lo largo del tiempo. Un BRD completo también puede causar una repolarización ventricular anormal en las derivaciones precordiales derechas 18 ; sin embargo, en estos casos las anormalidades del segmento ST fueron claramente diferentes a las vistas en los BRD completos no complicados.…”

Section: Discussionunclassified

Infarto agudo de miocardio inferior enmascarando el síndrome de la onda J. A propósito de cuatro observaciones

Carnicer

2008

Medicina Intensiva

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The J wave syndrome is characterized by a prominent J wave accompanied by ST-segment elevation in the absence of structural heart disease. It includes the benign early repolarization syndrome, the highly arrhythmogenic Brugada syndrome and idiopathic ventricular fibrillation. Although acute coronary syndromes are one of the leading causes of ST-segment deviation, no clinical reports that specifically describe the modulating effects of an ischemic injury current on the ECG manifestations of the J wave syndrome have been found. This report describes four cases of patients with acute inferior ST-segment elevation myocardial infarction who had J wave (or negative deplacement of the J point) and ST-segment depression in the right precordial leads. Later, these precordial ECG alterations disappeared and were progressively replaced by prominent J (R') waves and anterior ST-segment elevations, suggesting the presence of a J wave syndrome. In conclusion, the J wave syndrome may be obscured by an acute inferior myocardial infarction with concomitant ST-segment depression in the right precordial leads. In such circumstances, early detection of the J wave (or depressed J point) may be used as ECG marker of the early repolarization syndrome or Brugada syndrome.

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Section: Discussionunclassified

Infarto agudo de miocardio inferior enmascarando el síndrome de la onda J. A propósito de cuatro observaciones

Carnicer

2008

Medicina Intensiva

View full text Add to dashboard Cite

show abstract

Right ventricular infarction simulating the Brugada syndrome

Cited by 1 publication

References 14 publications

Infarto agudo de miocardio inferior enmascarando el síndrome de la onda J. A propósito de cuatro observaciones

Infarto agudo de miocardio inferior enmascarando el síndrome de la onda J. A propósito de cuatro observaciones

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