motor speech exam 1: Differential Dx

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  1. What is differential diagnosis?
    Why is it important (some examples)?
    What are some questions you'd ask to make your dx?
    • The process of narrowing possibilities and reaching conclusions about the nature of a deficit
    • Important because it can help with localization of a neurological disease; influence decision making; provide strong evidence for presence of neurologic dx; ID other problems
    • Onset of symptoms, level of awareness, medications, patterns of symptoms
  2. What are questions to answer with differential dx?
    • 1. Is a speech disorder present?
    • 2. Is it neurogenic?
    • 3. If so, what type of MSD?
    • 4. What are the implications of the type of MSD for lesion localization?
  3. Guidelines for Differential Dx

    1. Exam: 
    2. If not able to make diagnosis:
    3. If exam inconclusive:
    4. Diagnosis should make sense relative to ____ ____
    5. Co-occuring ____
    6. ____ is determined to be normal
    7. All changes in speech aren't _____
    • Diagnostic attempt
    • Explain why not
    • Don't make diagnosis
    • Lesion location
    • disorders
    • speech
    • pathological
    • **If unsure what it is, say what it isn't
  4. Contributions of Darley, Aronson, & Brown (4)
    • Idea of types of dysarthrias-not singular
    • Different types reflect different neuroanatomic/physiologic structures and/or function
    • Each type presents with its own unique pattern of auditory perceptual characteristics
    • Those patterns of characteristics reflect different neuropathology's and or lesion locations
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motor speech exam 1: Differential Dx
Exam 1: diff. dx
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