• Flaccid Dysarthria (Lower Motor Neuron Lesion)

    • Clinical Features:
      • Lax open mouth
      • Atonia
      • Weakness
      • Wasting
      • Drooling
      • Feeding difficulties
      • Absent jaw, gag, and cough reflexes
    • Causes:
      • Dystrophia myotonica
      • Prader-Willi Syndrome
      • Myasthenia gravis
      • Facio-scapulo-humeral dystrophy
      • Congenital dysplasia of the brainstem (e.g., Moebius)
      • Pontine gliomas
      • Progressive motor neurone diseases (e.g., Fazio-Londe)
      • Vascular lesions of the brainstem
      • Posterior fossa tumour resection
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