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Pauses in atrial rhythm in a patient with limb-girdle muscular dystrophy: A case report
Tomonori Miki1, Takeshi Shirayama1, Hirokazu Shiraishi1
1Department of Cardiovascular Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan.
Abstract:
A 58-year-old woman with a history of multi-origin atrial tachycardia and limb-girdle muscular dystrophy was treated for presyncope caused by pauses in atrial rhythm. A dual-chamber pacemaker was implanted. The low-voltage area extended broadly, but 10-V pacing could not capture the large right atrium, including the right atrial appendage, except the coronary sinus ostium. The atrial lead was screwed in using a steerable stylet. A ventricular lead was placed in the right ventricular apex. Atrial pacing at the coronary sinus was required to treat the pauses in the atrial rhythm.
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