Chapter 29 - Chapter 29 Neurology Nervous System Central...

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Chapter 29 : Neurology Nervous System Central Nervous System (CNS) o Sensory Input (Afferent) o Motor Output (Efferent) Peripheral Nervous System o Afferent Division (Sensory) o Efferent Division (Motor) Autonomic Nervous System (involuntary/visceral) Peripheral Neuropathy - any malfunction or damage of the peripheral nerves. Results may include muscle weakness, loss of sensation, impaired reflexes, and internal organ malfunctions. Sympathetic Division (fight or flight) Parasympathetic Division (feed or breed) Somatic Nervous System (voluntary) Altered Mental Status (AMS) is the hallmark sign of CNS injury or illness. Coma - a state of unconsciousness from which the patient cannot be aroused. Patient Mental Status A- Pt. is Alert and aware of his surroundings V- Pt. responds to Verbal stimuli P- Pt. responds to Pain stimuli U- Pt. is Unresponsive . Cerebral Functioning Mood Thought Perception Judgment Determine the pattern of respirations Kussmaul’s respirations - deep, slow or rapid, gasping breathing. Associated w/ diabetic ketoacidosis Cheyne-Stokes respirations - progressively deeper, faster breathing alternating gradually w/shallow, slower breathing, indicating brain stem injury. Ataxic/Biot’s respirations - irregular pattern of rate and depth w/ sudden, periodic episodes of apnea, indicating increased ICP. Central neurogenic hyperventilation - deep, rapid respirations, indicating increased ICP. Apneustic respirations
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Chapter 29 - Chapter 29 Neurology Nervous System Central...

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