![Atrial septal defect with Crochetage sign presenting with pulmonary artery thrombosis | BMJ Case Reports Atrial septal defect with Crochetage sign presenting with pulmonary artery thrombosis | BMJ Case Reports](https://casereports.bmj.com/content/bmjcr/14/7/e244180/F1.large.jpg)
Atrial septal defect with Crochetage sign presenting with pulmonary artery thrombosis | BMJ Case Reports
![Think beyond right bundle branch block in atrial septal defect Raut MS, Verma A, Maheshwari A, Shivnani G - Ann Card Anaesth Think beyond right bundle branch block in atrial septal defect Raut MS, Verma A, Maheshwari A, Shivnani G - Ann Card Anaesth](https://www.annals.in/articles/2017/20/4/images/AnnCardAnaesth_2017_20_4_475_216253_f1.jpg)
Think beyond right bundle branch block in atrial septal defect Raut MS, Verma A, Maheshwari A, Shivnani G - Ann Card Anaesth
![Anton Helman on Twitter: "Crochetage sign on ECG is sign of PFO/ASD that could be a cause of TIA. Look for it as well as Afib in your TIA patients. @davidcarr333 #EMU2019 Anton Helman on Twitter: "Crochetage sign on ECG is sign of PFO/ASD that could be a cause of TIA. Look for it as well as Afib in your TIA patients. @davidcarr333 #EMU2019](https://pbs.twimg.com/media/D5kuBpyXkAUyefJ.jpg:large)
Anton Helman on Twitter: "Crochetage sign on ECG is sign of PFO/ASD that could be a cause of TIA. Look for it as well as Afib in your TIA patients. @davidcarr333 #EMU2019
![Patrick Zakka, MD on Twitter: "Crochetage sign is a notch on the apex of R waves in the inferior leads. It can be associated with ostium secundum ASDs. https://t.co/U76HtMheLp" / Twitter Patrick Zakka, MD on Twitter: "Crochetage sign is a notch on the apex of R waves in the inferior leads. It can be associated with ostium secundum ASDs. https://t.co/U76HtMheLp" / Twitter](https://pbs.twimg.com/media/FR9z8w-VUAALvbX.jpg:large)
Patrick Zakka, MD on Twitter: "Crochetage sign is a notch on the apex of R waves in the inferior leads. It can be associated with ostium secundum ASDs. https://t.co/U76HtMheLp" / Twitter
![Dr. Smith's ECG Blog: A young woman with epigastric pain. ECG Crochetage sign? What is the significance? Dr. Smith's ECG Blog: A young woman with epigastric pain. ECG Crochetage sign? What is the significance?](https://1.bp.blogspot.com/-Mvj8Q0cLzMU/XhCcS8h4p2I/AAAAAAAAgQE/myC-HWsxqHc-7JxI7ImKV7oMJheJyEu4wCLcBGAsYHQ/w1200-h630-p-k-no-nu/Crochetage_Sign_possible.jpg)
Dr. Smith's ECG Blog: A young woman with epigastric pain. ECG Crochetage sign? What is the significance?
![Crochetage sign may predict late atrial arrhythmias in patients with secundum atrial septal defect undergoing transcatheter closure - ScienceDirect Crochetage sign may predict late atrial arrhythmias in patients with secundum atrial septal defect undergoing transcatheter closure - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0022073621001278-gr2.jpg)