Muscular Flashcards
Duchenne
X linked recessive
Progressive wasting and weakness
Hypertrophy of calves
Emery-Driefuss
X linked recessive
Weakness of proximal arm and distal leg muscles
Cardiomyopathy
Limb Girdle Dystrophy
Heterogenous
Core Disease
AD
Central core hollowed in type 1 fibres
Nemaline Myopathy
Neonatal hypotonia
Resp insufficiency
Kyphoscoliosis
AR
Malignant Hyperthermia
Inhaled anaesthetics cause rise in intracellular calcium
Get contractions and hyperthermia
Myotonic Dystrophy
AD
Myotonia and facial weakness
Cardiac conduction probs
Atrophy of type 1 and hypertrophy of type 2
Facioscapulohumeral Dystrophy
AD
Affects myocardium
Progressive deafness and blindness
Eaton-Lambert
Rare non metastatic carcinoma
Fibres atrophy
Dermatomyositis
Scaly fash
Fibres necrose and fibrose
T4 cells proliferate
Peri-ocular oedema and erythema
Drug-Induced Myopathy
Due to statins and steroids
Get acute necrotising myopathy (due to heroin and ecstasy)
MND
Degeneration of MNs
Ant horn cells and brain stem nuclei also
Wasting, spasticity and brisk reflexes