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
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/