Symptom Information: Sort according to HPO 

1
(HPO:0000508) Ptosis 459 / 7739
2
(HPO:0000590) Progressive external ophthalmoplegia 23 / 7739
3
(HPO:0000833) Glucose intolerance 20 / 7739
4
(HPO:0001250) Seizures rare [HPO:skoehler] 1245 / 7739
5
(HPO:0001263) Global developmental delay rare [HPO:skoehler] 853 / 7739
6
(HPO:0001272) Cerebellar atrophy rare [HPO:skoehler] 197 / 7739
7
(HPO:0001508) Failure to thrive rare [HPO:skoehler] 454 / 7739
8
(HPO:0001510) Growth delay 295 / 7739
9
(HPO:0002019) Constipation rare [HPO:skoehler] 194 / 7739
10
(HPO:0002020) Gastroesophageal reflux rare [HPO:skoehler] 101 / 7739
11
(HPO:0002151) Increased serum lactate 92 / 7739
12
(HPO:0002910) Elevated hepatic transaminases rare [HPO:skoehler] 158 / 7739
13
(HPO:0003236) Elevated serum creatine phosphokinase 214 / 7739
14
(HPO:0003323) Progressive muscle weakness 17 / 7739
15
(HPO:0003326) Myalgia 143 / 7739
16
(HPO:0003546) Exercise intolerance 62 / 7739
17
(HPO:0003688) Decreased activity of cytochrome C oxidase in muscle tissue 20 / 7739
18
(HPO:0003689) Multiple mitochondrial DNA deletions 12 / 7739
19
(HPO:0003690) Limb muscle weakness 41 / 7739
20
(HPO:0010628) Facial palsy 146 / 7739
21
(HPO:0011675) Arrhythmia 226 / 7739
22
(HPO:0100704) Cortical visual impairment rare [HPO:skoehler] 28 / 7739
23
(HPO:0001392) Abnormality of the liver 28 / 7739
24
(OMIM) Delayed gastric emptying 2 / 7739
25
(OMIM) Muscle biopsy shows multiple mitochondrial DNA (mtDNA) deletions 3 / 7739
26
(OMIM) Muscle biopsy shows decreased activity of cytochrome c oxidase 3 / 7739
27
(HPO:0001327) Photomyoclonic seizures 125 / 7739
28
(HPO:0001252) Muscular hypotonia rare [HPO:skoehler] 990 / 7739
29
(HPO:0001324) Muscle weakness 859 / 7739
30
(HPO:0008947) Infantile muscular hypotonia 482 / 7739
31
(HPO:0010547) Muscle flaccidity 466 / 7739
32
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739
33
(HPO:0003581) Adult onset 117 / 7739
34
(HPO:0003676) Progressive disorder 148 / 7739
35
(HPO:0003828) Variable expressivity 130 / 7739