🎥 Echocardiography Teaching Case 💡 💓 Here we can clearly see an Interatrial Septal Aneurysm (IASA) — a localized bulging of the interatrial septum that moves excessively into either atrium. 🩺 Key Points: 🔹 Best seen in the subcostal or apical four-chamber view. 🔹 Often associated with PFO or small ASD. 🔹 May be an incidental finding — but in some cases, linked with embolic risk. ✨ Always assess with color Doppler to exclude any shunt across the septum! 📘 If you’re interested in learning