Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Patent foramen ovale electrocardiogram
Introduction
Overview
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
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
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.
- ↑ BelvÃs R, Leta RG, MartÃnez-Domeño A, Planas F, MartÃ-Fà bregas 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.
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]