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478299
Myotonic disorders
Description
paeds-neurology Mind Map on Myotonic disorders, created by v.djabatey on 12/01/2014.
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paeds-neurology
Mind Map by
v.djabatey
, updated more than 1 year ago
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Created by
v.djabatey
almost 11 years ago
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Resource summary
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
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