
We highlight a diagnostic challenge in a patient with dyspnea on exertion due to radiation therapy-induced severe first-degree atrioventricular block and how permanent His bundle pacing was helpful in overcoming these symptoms. (Level of Difficulty: Intermediate.).
shortness of breath, electrocardiography, RC666-701, cardiac resynchronization therapy, Diseases of the circulatory (Cardiovascular) system, Mini-Focus Issue: Electrophysiology, electrophysiology, cardiac pacemaker, electroanatomic mapping
shortness of breath, electrocardiography, RC666-701, cardiac resynchronization therapy, Diseases of the circulatory (Cardiovascular) system, Mini-Focus Issue: Electrophysiology, electrophysiology, cardiac pacemaker, electroanatomic mapping
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