Atrial septal defect An ECG may show the “crochetage”
![Atrial septal defect An ECG may show the “crochetage”](https://img.grepmed.com/uploads/3282/cardiology-crochetage-sign-ekg-ecg-original.png)
Atrial septal defect An ECG may show the “crochetage” pattern (92% specific)—a notch near the apex of the R wave in inferior limb leads Large notches signify a larger shunt #ECG #EKG #Cardiology #Crochetage #Sign #ASD
![](https://ars.els-cdn.com/content/image/1-s2.0-S0022073621001278-gr2.jpg)
Crochetage sign may predict late atrial arrhythmias in patients with secundum atrial septal defect undergoing transcatheter closure - ScienceDirect
![](http://metealpaslan.com/ecg/v/000144-05v.jpg)
pulmonary stenosis and the electrocardiography - ekg - ecg - ankara kardiyoloji - kalp hastalıkları - mete alpaslan - doktorekg.com
![](https://d3i71xaburhd42.cloudfront.net/a2e47f1d2807e5ff8211bab1bdc95707e8bac552/1-Figure1-1.png)
Think Beyond Right Bundle Branch Block in Atrial Septal Defect
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Congenital heart disease detection by pediatric electrocardiogram based deep learning integrated with human concepts
![](https://image.slidesharecdn.com/ecgincongheartdiseasesubramanyam-180722061123/85/electrocardiogram-ecg-in-congenital-heart-diseases-41-320.jpg?cb=1666057469)
electrocardiogram (Ecg) in CONGENITAL HEART DISEASES
![](https://www.ahajournals.org/cms/asset/f1eb4b24-3343-4c8f-bef8-4883b301f79a/hs0780729002.jpg)
An Electrocardiographic Criterion for Diagnosis of Patent Foramen Ovale Associated With Ischemic Stroke
![](https://ars.els-cdn.com/content/image/1-s2.0-S2666084923000906-gr2.jpg)
Crochet Leads the Way - ScienceDirect
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjjTjpfrwGGR-gzN7Z_vX4UnGHMZUFmKNOOrLkHIVhMI3pwt_jQ3_b1WnE351ZX8r5GgmSlSH7QgC49r3FGteR4C1WPwZqjbEaD3GC3axKwaa5x7AJWtry6JxoNFuOCsMI0hVH32B-KzYrjW5CfDu8L1GqbajCMAdFyWhgDd_vpWbVApyIvDi9Pnq8W/s3602/Figure-1%20%20ECG-1%20(6-13.21-2022)-USE.png)
Dr. Smith's ECG Blog: A man in his 30s with chest pain and a normal bedside echo, without wall motion abnormality
![](https://www.researchgate.net/publication/270662719/figure/fig1/AS:295056813641728@1447358434075/Crochetage-R-wave-in-inferior-leads.png)
Crochetage R wave in inferior leads
![](https://d3i71xaburhd42.cloudfront.net/a2e47f1d2807e5ff8211bab1bdc95707e8bac552/1-Figure3-1.png)
Think Beyond Right Bundle Branch Block in Atrial Septal Defect
![](https://www.ahajournals.org/cms/asset/c7d279ad-921d-4a1e-b385-b7cf7fb1b303/hs0780729001.jpg)
An Electrocardiographic Criterion for Diagnosis of Patent Foramen Ovale Associated With Ischemic Stroke