BOF: 69
Myotonia aggravated by cold is a feature of:
a)
Myotonia dystrophica
b)
Myotonia congenita
c)
Chondrodystrophic myotonia
d)
Paramyotonia
e)
Hypothyroidism
Answer:
d)
Myotonia appearing on exposure to cold occurs in
Paramyotonia. Chondrodystrophic myotonia causes choking on cold drinks.