What is Chapman's sign?

Chapman's (electrographic) sign is of a notch on the ascending limb of the R wave in leads I, aVL and V6. It has been used in the diagnosis of myocardial infarction (MI) during left bundle branch block (LBBB) and cardiac pacing. A number of studies have yielded divergent results about its diagn...

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Veröffentlicht in:	Journal of electrocardiology 2024-11, Vol.87, p.153811, Article 153811
1. Verfasser:	Barold, S. Serge
Format:	Artikel
Sprache:	eng
Schlagworte:	Bundle-Branch Block - diagnosis Bundle-Branch Block - physiopathology Cardiac pacing Chapman's sign Diagnosis, Differential Electrocardiography Humans Left bundle branch block Myocardial infarction Myocardial Infarction - diagnosis
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Beschreibung
Zusammenfassung:	Chapman's (electrographic) sign is of a notch on the ascending limb of the R wave in leads I, aVL and V6. It has been used in the diagnosis of myocardial infarction (MI) during left bundle branch block (LBBB) and cardiac pacing. A number of studies have yielded divergent results about its diagnostic usefulness. However, the sign can be helpful in the diagnosis of MI during LBBB or pacing in the absence of other manifestations of MI.
ISSN:	0022-0736 1532-8430 1532-8430
DOI:	10.1016/j.jelectrocard.2024.153811