Patients with genetically confirmed myotonic dystrophy 2 (DM2) who are ≥18 and ≤ 70 years old.
Patients are ambulatory without need of any assistance or device.
Patients have a normal ECG within the 3 months prior to Screening visit (of note, patients with DM2 are recommended to have routine ECG as part of patient care. So, this ECG will be done as part of patient care).
Body mass index (BMI) ≥20 and ≤30.
You may not be if
Subjects younger than 18 years old or older than 70 years old.
Inability or unwillingness of the subject to give written informed consent.
Subjects with pacemaker.
Blood pressure \<90/50 mmHg or \>160 mmHg/90 mmHg at Screening visit
Resting heart rate of \<60 or \>100 beats/minute at Screening visit.
Any fall within the last six months.
Any history of syncopal episodes or family history of sudden death.