An Electrocardiographic Criterion for Diagnosis of Patent Foramen Ovale Associated With Ischemic Stroke | Zendy

Hakan Ay | Zendy; Ferdinando S. Buonanno | Zendy; Stephen A. Abraham | Zendy; J. Philip Kistler | Zendy; Walter J. Koroshetz | Zendy

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An Electrocardiographic Criterion for Diagnosis of Patent Foramen Ovale Associated With Ischemic Stroke

Author(s) -

Hakan Ay,

Ferdinando S. Buonanno,

Stephen A. Abraham,

J. Philip Kistler,

Walter J. Koroshetz

Publication year - 1998

Publication title -

stroke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.397

H-Index - 319

eISSN - 1524-4628

pISSN - 0039-2499

DOI - 10.1161/01.str.29.7.1393

Subject(s) - medicine , patent foramen ovale , septum secundum , foramen secundum , cardiology , stroke (engine) , migraine , mechanical engineering , engineering

An M-shaped bifid notch on the ascending branch, or on the zenith, of the R wave in inferior ECG leads (II, III, aVF), so called "crochetage," is an indicator of ostium secundum atrial septal defects. The pathophysiology underlying this finding remains unknown. A crochetage pattern has not been previously reported in patients with patent foramen ovale (PFO); however, the location of this defect and the secundum atrial septum are similar. The purpose of this study was to determine the prevalence of crochetage in cryptogenic stroke patients with or without PFO.

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