Zusammenfassung der Ressource
Myotonic disorders
- myotonia= delayed
relaxation after sustained
mm contraction
- IDed clinically and on EMG
- dystrophia myotonica
- dominantly inherited
- caused by nucleotide triplet
expansion
- so there can be
anticipation through
the generations
- esp when
maternally
transmitted
- presentation
- newborns
- hypotonia
- resp &
feeding
difficulties
- due to mm weakness
- good to
examine mum
for myotonia
- manifestation
- slow release
of
handshake
- difficulty
releasing tightly
clasped fist
- older kids
- myopathic
facies
- LD
- myotonia
- diagnosis
- imp to be sensitive
while giving diag in
the neonate
- adults
- cataracts
- males
- baldness
- testicular atrophy
- death usually
due to
cardiomyopathy