Symptom Information: Sort according to HPO 

1
(HPO:0001276) Hypertonia 317 / 7739
2
(HPO:0002104) Apnea 106 / 7739
3
(HPO:0003552) Muscle stiffness 23 / 7739
4
(OMIM) Apneic episodes, neonatal 1 / 7739
5
(OMIM) Breath-holding episodes, infancy 1 / 7739
6
(MedDRA:10048615) Hypertonia neonatal 1 / 7739
7
(OMIM) Exaggerated startle response to tactile or acoustic stimuli 1 / 7739
8
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739
9
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
10
(HPO:0002267) Exaggerated startle response 42 / 7739
11
(HPO:0003593) Infantile onset 249 / 7739