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Findings of ambulatory ECG monitorings of EDMD (A), AD EDMD2 (B) and LGMD1B (C). (A) Atrial fibrillation with complete AV block and junctional escape rhythm. (B) Slow nonsustained atrial tachycardia at a rate of 120 beats per minute with high grade AV block. (C) Atrial tachycardia and high grade (3:1, 4:1) AV block with the longest R-R interval of 2.06 sec.
