Emilio Constán

🔍 #EHRATopicWeek on Atrial Tachycardias Atrial Tachycardia is more complex than we once thought Traditionally, rapid regular atrial arrhythmias were divided into “atrial tachycardia” and “atrial flutter” based mainly on ECG appearance. Today, high-resolution mapping shows these distinctions are often oversimplified. 📌 Current concepts classify all regular atrial rhythms >100 bpm as AT: • Non-reentrant AT • Reentrant AT (localized or macro-reentrant) Importantly, many arrhythmias previously labeled as “flutter” may actually represent different AT mechanisms. ⚡ Differentiating AT from organized AF can be challenging, especially in scarred atria or after ablation. ECGs, EP studies, intracardiac mapping, and even wearable devices all play an important role in diagnosis. 💡 Precise classification matters — for diagnosis, treatment strategy, and improving ablation outcomes. Find out more in the #EHRA_ESC Consensus document on Management of patients with atrial tachycardia 🔗bit.ly/4wk5sBn @escardio @EuropaceEiC