title: Trading arrhythmia for atrioventricular block.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000601:surgery*; D003452:Cryosurgery / Q000009:adverse effects; D004594:Electrophysiology; D006327:Heart Block / Q000209:etiology*; D006801:Humans; D010138:Pacemaker, Artificial