Symptom Information: Sort according to HPO 

1
(HPO:0001265) Hyporeflexia 23084291 IBIS 208 / 7739
2
(HPO:0001266) Choreoathetosis 23084291 IBIS 57 / 7739
3
(HPO:0001332) Dystonia 23084291 IBIS 197 / 7739
4
(HPO:0001510) Growth delay 23084291 IBIS 295 / 7739
5
(HPO:0003202) Skeletal muscle atrophy 23084291 IBIS 281 / 7739
6
(HPO:0100660) Dyskinesia 23084291 IBIS 19 / 7739
7
(OMIM) Liver shows mitochondrial respiratory chain deficiencies of complexes III and IV 23084291 IBIS 1 / 7739
8
(OMIM) Muscle biopsy shows peripheral accumulation of abnormal mitochondria 23084291 IBIS 1 / 7739
9
(OMIM) Encephalomyopathy 23084291 IBIS 2 / 7739
10
(OMIM) Motor regression 23084291 IBIS 3 / 7739
11
(OMIM) Inability to sit or stand independently 23084291 IBIS 1 / 7739
12
(OMIM) Inability to hold head up 23084291 IBIS 2 / 7739
13
(OMIM) Lack of speech 23084291 IBIS 17 / 7739
14
(OMIM) Loss of purposeful hand movements 23084291 IBIS 2 / 7739
15
(OMIM) T2-weighted hyperintensities in the putamen and caudate nuclei 23084291 IBIS 1 / 7739
16
(HPO:0000762) Decreased nerve conduction velocity 23084291 IBIS 36 / 7739
17
(OMIM) Increased serum and CSF lactate 23084291 IBIS 7 / 7739
18
(HPO:0001344) Absent speech 23084291 IBIS 57 / 7739
19
(MedDRA:10058799) Mitochondrial encephalomyopathy 23084291 IBIS 5 / 7739
20
(HPO:0001290) Generalized hypotonia 23084291 IBIS 51 / 7739
21
(HPO:0001324) Muscle weakness 23084291 IBIS 859 / 7739
22
(OMIM) No head control 23084291 IBIS 2 / 7739
23
(HPO:0002421) Poor head control 23084291 IBIS 23 / 7739
24
(HPO:0008936) Muscular hypotonia of the trunk 23084291 IBIS 77 / 7739
25
(HPO:0200125) Mitochondrial respiratory chain defects 23084291 IBIS 6 / 7739
26
(HPO:0001252) Muscular hypotonia 23084291 IBIS 990 / 7739
27
(HPO:0002013) Vomiting 23084291 IBIS 191 / 7739
28
(HPO:0008872) Feeding difficulties in infancy 23084291 IBIS 153 / 7739
29
(HPO:0002151) Increased serum lactate 23084291 IBIS 92 / 7739
30
(HPO:0002490) Increased CSF lactate 23084291 IBIS 28 / 7739
31
(HPO:0012103) Abnormality of the mitochondrion 23084291 IBIS 7 / 7739
32
(HPO:0003803) Type 1 muscle fiber predominance 23084291 IBIS 12 / 7739
33
(HPO:0003554) Type 2 muscle fiber atrophy 23084291 IBIS 14 / 7739
34
(HPO:0011924) Decreased activity of mitochondrial complex III 23084291 IBIS 22 / 7739
35
(HPO:0008347) Decreased activity of mitochondrial complex IV 23084291 IBIS 31 / 7739
36
(HPO:0011922) Abnormal activity of mitochondrial respiratory chain 23084291 IBIS 1 / 7739
37
(HPO:0001263) Global developmental delay 23084291 IBIS 853 / 7739
38
(HPO:0002015) Dysphagia 23084291 IBIS 301 / 7739
39
(HPO:0011471) Gastrostomy tube feeding in infancy 23084291 IBIS 3 / 7739
40
(HPO:0001298) Encephalopathy 23084291 IBIS 72 / 7739