Symptom Information: Sort according to HPO 

1
(HPO:0003202) Skeletal muscle atrophy Very frequent [Orphanet] 281 / 7739
2
(HPO:0001250) Seizures Very frequent [Orphanet] 1245 / 7739
3
(HPO:0003457) EMG abnormality Very frequent [Orphanet] 78 / 7739
4
(HPO:0001251) Ataxia 413 / 7739
5
(HPO:0002066) Gait ataxia Very frequent [Orphanet] 327 / 7739
6
(HPO:0000407) Sensorineural hearing impairment Very frequent [Orphanet] 524 / 7739
7
(HPO:0100022) Abnormality of movement Very frequent [Orphanet] 129 / 7739
8
(HPO:0000365) Hearing impairment 539 / 7739
9
(HPO:0001336) Myoclonus 115 / 7739
10
(HPO:0002167) Neurological speech impairment Very frequent [Orphanet] 308 / 7739
11
(HPO:0030089) Abnormal muscle fiber protein expression Very frequent [Orphanet] 64 / 7739
12
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739