Patent foramen ovale electrocardiogram
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editors-In-Chief: Ifeoma Odukwe, M.D. [2], Priyamvada Singh, M.B.B.S. [3], Kristin Feeney, B.S. [4]
Overview
Stroke patients with patent foramen ovale may be identified with the crochetage pattern seen on ECG. The crochetage pattern is described as an M-shaped bifid notch on the ascending branch, or on the zenith, of the R wave in inferior ECG leads (II, III, aVF).
Electrocardiogram
Findings on ECG that may be seen in patients with patent foramen ovale include:[1][2]
- Crochetage pattern: An M-shaped bifid notch on the ascending branch, or on the zenith, of the R wave in inferior ECG leads (II, III, aVF).
- Right bundle branch block (RBBB)
- P wave abnormalities
References
- ↑ Ay H, Buonanno FS, Abraham SA, Kistler JP, Koroshetz WJ (1998). "An electrocardiographic criterion for diagnosis of patent foramen ovale associated with ischemic stroke". Stroke. 29 (7): 1393–7. doi:10.1161/01.str.29.7.1393. PMID 9660393.
- ↑ Belvís R, Leta RG, Martínez-Domeño A, Planas F, Martí-Fàbregas J, Carreras F; et al. (2007). "Electrocardiographic findings in patients with cryptogenic ischemic stroke and patent foramen ovale". J Electrocardiol. 40 (2): 168–71. doi:10.1016/j.jelectrocard.2006.07.005. PMID 16963068.