Symptom Information: Sort according to HPO 

1
 (HPO:0001639) Hypertrophic cardiomyopathy Very frequent [IBIS] 100% (n=4) 21786366 IBIS 137 / 7739
2
 (HPO:0002151) Increased serum lactate Very frequent [IBIS] 100% (n=4) 21786366 IBIS 92 / 7739
3
 (HPO:0008972) Decreased activity of mitochondrial respiratory chain Very frequent [IBIS] 100% (n=4) 21786366 IBIS 34 / 7739
4
 (HPO:0001508) Failure to thrive Frequent [IBIS] 75% (n=4) 21786366 IBIS 454 / 7739
5
 (HPO:0002240) Hepatomegaly Frequent [IBIS] 75% (n=4) 21786366 IBIS 467 / 7739
6
 (HPO:0002910) Elevated hepatic transaminases Frequent [IBIS] 75% (n=4) 21786366 IBIS 158 / 7739
7
 (HPO:0011968) Feeding difficulties Frequent [IBIS] 75% (n=4) 21786366 IBIS 240 / 7739
8
 (HPO:0001522) Death in infancy Frequent [IBIS] 50% (n=4) 21786366 IBIS 275 / 7739
9
 (HPO:0005943) Respiratory arrest Occasional [IBIS] 25% (n=4) 21786366 IBIS 5 / 7739
10
 (HPO:0001695) Cardiac arrest Occasional [IBIS] 25% (n=4) 21786366 IBIS 87 / 7739
11
 (HPO:0001635) Congestive heart failure Occasional [IBIS] 25% (n=4) 21786366 IBIS 232 / 7739
12
 (HPO:0001263) Global developmental delay 21786366 IBIS 853 / 7739
13
 (HPO:0002094) Dyspnea 21786366 IBIS 132 / 7739
14
 (HPO:0003348) Hyperalaninemia 21786366 IBIS 19 / 7739
15
 (OMIM) Cortical hypergyria (in some patients) 21786366 IBIS 1 / 7739
16
 (OMIM) Impaired mitochondrial translation 21786366 IBIS 4 / 7739
17
 (HPO:0011923) Decreased activity of mitochondrial complex I 21786366 IBIS 35 / 7739
18
 (HPO:0008347) Decreased activity of mitochondrial complex IV 21786366 IBIS 31 / 7739
19
 (HPO:0011925) Decreased activity of mitochondrial ATP synthase complex 21786366 IBIS 10 / 7739
20
 (HPO:0002033) Poor suck 21786366 IBIS 37 / 7739
21
 (HPO:0001410) Decreased liver function 21786366 IBIS 59 / 7739
22
 (HPO:0001510) Growth delay 21786366 IBIS 295 / 7739