Symptom Information: Sort according to HPO 

1
(HPO:0000602) Ophthalmoplegia Very frequent [IBIS] Very frequent [Orphanet] hallmark [HPO] 25540845 IBIS 56 / 7739
2
(HPO:0001638) Cardiomyopathy Very frequent [IBIS] 25540845 IBIS 192 / 7739
3
(HPO:0003200) Ragged-red muscle fibers Very frequent [IBIS] 25061332 IBIS 37 / 7739
4
(HPO:0007703) Abnormality of retinal pigmentation Very frequent [IBIS] Very frequent [Orphanet] 3192850 IBIS 21 / 7739
5
(HPO:0000544) External ophthalmoplegia Very frequent [Orphanet] hallmark [HPO] 25540845 IBIS 40 / 7739
6
(HPO:0000597) Ophthalmoparesis Very frequent [Orphanet] 25368789 IBIS 71 / 7739
7
(HPO:0003560) Muscular dystrophy Frequent [Orphanet] 1755871 IBIS 88 / 7739
8
(HPO:0100295) Muscle fiber atrophy Frequent [Orphanet] typical [HPO] 1934767 IBIS 22 / 7739
9
(HPO:0000365) Hearing impairment Frequent [Orphanet] 11422310 IBIS 539 / 7739
10
(HPO:0001252) Muscular hypotonia Frequent [Orphanet] 1305030 IBIS 990 / 7739
11
(HPO:0001324) Muscle weakness Frequent [Orphanet] typical [HPO] 25540845 IBIS 859 / 7739
12
(HPO:0000830) Anterior hypopituitarism Frequent [Orphanet] 22284844 IBIS 9 / 7739
13
(HPO:0001678) Atrioventricular block Very frequent [Orphanet] hallmark [HPO] 25061332 IBIS 59 / 7739
14
(HPO:0011675) Arrhythmia Very frequent [Orphanet] 25540845 IBIS 226 / 7739
15
(HPO:0011710) Bundle branch block Very frequent [Orphanet] 25061332 IBIS 14 / 7739
16
(HPO:0004374) Hemiplegia/hemiparesis Occasional [Orphanet] 9404143 IBIS 158 / 7739
17
(HPO:0001265) Hyporeflexia Frequent [Orphanet] typical [HPO] 9435373 IBIS 208 / 7739
18
(HPO:0001315) Reduced tendon reflexes Frequent [Orphanet] 22875312 IBIS 160 / 7739
19
(HPO:0004322) Short stature Frequent [Orphanet] 25540845 IBIS 1232 / 7739
20
(HPO:0003457) EMG abnormality Frequent [Orphanet] 22875312 IBIS 78 / 7739
21
(HPO:0001251) Ataxia Frequent [Orphanet] typical [HPO] 25540845 IBIS 413 / 7739
22
(HPO:0002141) Gait imbalance Frequent [Orphanet] 3179091 IBIS 55 / 7739
23
(HPO:0002311) Incoordination Frequent [Orphanet] 12640554 IBIS 84 / 7739
24
(HPO:0002321) Vertigo Frequent [Orphanet] 8151637 IBIS 58 / 7739
25
(HPO:0003236) Elevated serum creatine phosphokinase Frequent [Orphanet] 21996807 IBIS 214 / 7739
26
(HPO:0000510) Rod-cone dystrophy Very frequent [Orphanet] 25540845 IBIS 266 / 7739
27
(HPO:0000407) Sensorineural hearing impairment 22875312 IBIS 524 / 7739
28
(HPO:0000508) Ptosis 25540845 IBIS 459 / 7739
29
(HPO:0001488) Bilateral ptosis 25540845 IBIS 42 / 7739
30
(HPO:0000580) Pigmentary retinopathy 25540845 IBIS 49 / 7739
31
(HPO:0000590) Progressive external ophthalmoplegia 25540845 IBIS 23 / 7739
32
(HPO:0000726) Dementia 25540845 IBIS 131 / 7739
33
(HPO:0000763) Sensory neuropathy 25540845 IBIS 78 / 7739
34
(HPO:0000819) Diabetes mellitus 11422310 IBIS 131 / 7739
35
(HPO:0000829) Hypoparathyroidism 1424198 IBIS 22 / 7739
36
(HPO:0001250) Seizures 9404143 IBIS 1245 / 7739
37
(HPO:0001709) Third degree atrioventricular block 25061332 IBIS 3 / 7739
38
(HPO:0001924) Sideroblastic anemia 1407387 IBIS 12 / 7739
39
(HPO:0001947) Renal tubular acidosis 2234434 IBIS 21 / 7739
40
(HPO:0001994) Renal Fanconi syndrome 22875312 IBIS 12 / 7739
41
(HPO:0002135) Basal ganglia calcification 1424198 IBIS 37 / 7739
42
(HPO:0002922) Increased CSF protein 22875312 IBIS 27 / 7739
43
(HPO:0003128) Lactic acidosis 25540845 IBIS 116 / 7739
44
(HPO:0000846) Adrenal insufficiency 25061332 IBIS 24 / 7739
45
(HPO:0008207) Primary adrenal insufficiency 22875312 IBIS 26 / 7739
46
(HPO:0011735) Adrenocorticotropin deficient adrenal insufficiency 9701704 IBIS 3 / 7739
47
(MedDRA:10016219) Fanconi syndrome 22875312 IBIS 3 / 7739
48
(OMIM) Diffuse signal abnormality of central white matter 8151637 IBIS 1 / 7739
49
(OMIM) Decreased cerebrospinal fluid folic acid 20388557 IBIS 1 / 7739
50
(OMIM) Decreased serum and muscle coenzyme Q 25061332 IBIS 1 / 7739
51
(MedDRA:10051403) Mitochondrial DNA deletion 25061332 IBIS 6 / 7739
52
(HPO:0004308) Ventricular arrhythmia 25540845 IBIS 46 / 7739
53
(MedDRA:10049447) Tachyarrhythmia 25540845 IBIS 1 / 7739
54
(HPO:0000859) Hyperaldosteronism 1424198 IBIS 17 / 7739
55
(HPO:0002917) Hypomagnesemia 1424198 IBIS 19 / 7739
56
(HPO:0011705) First degree atrioventricular block 25061332 IBIS 13 / 7739
57
(HPO:0011706) Second degree atrioventricular block 25061332 IBIS 2 / 7739
58
(MedDRA:10000032) Cardiac conduction disorders 23549648 IBIS 5 / 7739
59
(HPO:0001738) Exocrine pancreatic insufficiency 23549648 IBIS 23 / 7739
60
(OMIM) Bulbar dysfunction 23549648 IBIS 4 / 7739
61
(HPO:0001611) Nasal speech 23549648 IBIS 48 / 7739