Catheter navigation by intracardiac echocardiography enables zero-fluoroscopy linear lesion formation and bidirectional cavotricuspid isthmus block in patients with typical atrial flutter. - Luani, Blerim; Basho, Maksim; Ismail, Ammar; Rauwolf, Thomas; Kaese, Sven; Tobli, Ndricim; Samol, Alexander; Pankraz, Katharina; Schmeisser, Alexander; Wiemer, Marcus; Braun-Dullaeus, Rüdiger C.; Genz, Conrad (Cardiovascular Ultrasound, 2023)