A 56‐year‐old man without any structural heart disease underwent a second ablation procedure for a recurrent atrial tachycardia (AT). He had undergone cryoballoon pulmonary vein isolation, left atrial roof, and… Click to show full abstract
A 56‐year‐old man without any structural heart disease underwent a second ablation procedure for a recurrent atrial tachycardia (AT). He had undergone cryoballoon pulmonary vein isolation, left atrial roof, and mitral isthmus linear ablation of atrial fibrillation 2 years prior. A 6‐Fr duo‐decapolar catheter was inserted into the coronary sinus (CS) from the jugular vein, and an ultrahigh resolution mapping
               
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