Chapter 023. Weakness and Paralysis (Part 6)
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Acute Monoparesis If the weakness is predominantly in distal and nonantigravity muscles and not associated with sensory impairment or pain, focal cortical ischemia is likely (Chap. 364); diagnostic possibilities are similar to those for acute hemiparesis. Sensory loss and pain usually accompany acute lower motor neuron weakness; the weakness is commonly localized to a single nerve root or peripheral nerve within the limb but occasionally reflects plexus involvement. If lower motor neuron weakness is suspected, or the pattern of weakness is uncertain, the clinical approach begins with an EMG and nerve conduction study. Subacute or Chronic Monoparesis Weakness and atrophy that develop over...
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