Neurologic Dysfunction Management
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Questions and Answers

What is the main function of the autonomic nervous system?

  • To initiate a 'fight or flight' response only
  • To control voluntary movements
  • To transmit sensory information to the brain
  • To regulate involuntary body functions and maintain internal homeostasis (correct)

    • What is the primary neurotransmitter involved in the sympathetic nervous system?

  • Dopamine
  • Acetylcholine
  • Serotonin
  • Norepinephrine (correct)

    • What is the term for an abnormal sensation of imbalance or movement, or a feeling of falling?

  • Disorientation
  • Lightheadedness
  • Dizziness (correct)
  • Vertigo

    • What is the term for an illusion of movement, usually a spinning sensation?

    <p>Vertigo</p> Signup and view all the answers

    What is the primary purpose of the nursing process in caring for patients with neurologic disorders?

    <p>To use as a framework for care</p> Signup and view all the answers

    What is the term for a posture characterized by adduction and flexion of upper extremities, internal rotation of legs, and plantar flexion of feet?

    <p>Decorticate posture</p> Signup and view all the answers

    What is the primary objective of the health history in neurologic assessment?

    <p>To identify symptoms and assess their impact on daily life</p> Signup and view all the answers

    What are the two main divisions of the nervous system?

    <p>Central Nervous System and Peripheral Nervous System</p> Signup and view all the answers

    What is a potential complication for a patient with an altered level of consciousness?

    <p>Pressure ulcers</p> Signup and view all the answers

    What is a goal of nursing care for a patient with an altered level of consciousness?

    <p>Maintenance of clear airway</p> Signup and view all the answers

    What is a nursing intervention to maintain tissue integrity in a patient with an altered level of consciousness?

    <p>Frequent turning and repositioning</p> Signup and view all the answers

    Why is it important to maintain the patient's dignity and privacy in a patient with an altered level of consciousness?

    <p>To maintain trust and respect</p> Signup and view all the answers

    What is a nursing intervention to prevent aspiration in a patient with an altered level of consciousness?

    <p>Suctioning and oral hygiene</p> Signup and view all the answers

    What is a method to assess fluid status in a patient with an altered level of consciousness?

    <p>Assessing tissue turgor and mucosa</p> Signup and view all the answers

    What is a nursing intervention to prevent corneal irritation in a patient with an altered level of consciousness?

    <p>Using artificial tears</p> Signup and view all the answers

    What is a potential complication of immobility in a patient with an altered level of consciousness?

    <p>Deep Vein Thrombosis</p> Signup and view all the answers

    What should be done to a patient with elevated temperature?

    <p>Use minimum amount of bedding, administer Acetaminophen, use hypothermia blanket, give a cooling sponge bath, and allow fan to blow over patient</p> Signup and view all the answers

    Why is it important to monitor bowel movements in a comatose patient?

    <p>To monitor for potential constipation and bowel incontinence</p> Signup and view all the answers

    What is the purpose of bladder training program?

    <p>To assess for urinary retention and urinary incontinence</p> Signup and view all the answers

    What is the primary goal of sensory stimulation and communication in a comatose patient?

    <p>To encourage family to talk to and touch the patient</p> Signup and view all the answers

    What happens when there is fluid accumulation or a lesion in the cranial cavity?

    <p>The brain is gradually compressed, leading to cessation of life-sustaining functions</p> Signup and view all the answers

    What is the typical respiratory pattern alteration seen in patients with increased ICP?

    <p>Cheyne-Stokes breathing</p> Signup and view all the answers

    What is the role of the family in the care of a comatose patient?

    <p>To provide emotional support and participate in sensory stimulation</p> Signup and view all the answers

    What is the primary goal of restricting fluids in patients with increased ICP?

    <p>To reduce cerebral edema</p> Signup and view all the answers

    Why is it important to maintain a normal day-night pattern of activity in a comatose patient?

    <p>To help the patient maintain a sense of normalcy and orientation</p> Signup and view all the answers

    What is the purpose of using a hypothermia blanket in a comatose patient with elevated temperature?

    <p>To reduce the patient's temperature</p> Signup and view all the answers

    What is the purpose of pupil checks in patients with increased ICP?

    <p>To evaluate neurologic status</p> Signup and view all the answers

    Which medication is NOT typically used to manage increased ICP?

    <p>Insulin</p> Signup and view all the answers

    What is the primary method of invasive monitoring of ICP?

    <p>Intraventricular monitoring</p> Signup and view all the answers

    What is the typical systolic blood pressure change seen in patients with increased ICP?

    <p>Increase in systolic blood pressure</p> Signup and view all the answers

    What is a potential complication of increased intracranial pressure?

    <p>Brain stem herniation</p> Signup and view all the answers

    Which of the following is a major goal of caring for a patient with increased intracranial pressure?

    <p>Maintenance of patent airway</p> Signup and view all the answers

    What is the recommended range for systolic arterial pressure in a patient with increased intracranial pressure?

    <p>100-160 mmHg</p> Signup and view all the answers

    Why is it important to avoid hip flexion in a patient with increased intracranial pressure?

    <p>It may increase intracranial pressure</p> Signup and view all the answers

    What is the purpose of using a cervical collar in a patient with increased intracranial pressure?

    <p>To promote venous drainage and prevent jugular vein distortion</p> Signup and view all the answers

    What should be monitored carefully in a patient with increased intracranial pressure?

    <p>Fluid status and intake and output</p> Signup and view all the answers

    Why is it important to maintain a calm, quiet atmosphere in a patient with increased intracranial pressure?

    <p>To prevent stress and increase intracranial pressure</p> Signup and view all the answers

    What should be avoided in a patient with increased intracranial pressure?

    <p>Extreme rotation of the neck and flexion of the neck</p> Signup and view all the answers

    What is the primary characteristic of decerebrate posturing?

    <p>Extension and internal rotation of the arms, and plantar flexion of the feet</p> Signup and view all the answers

    Which diagnostic test is used to visualize the spinal subarachnoid space?

    <p>Myelography (X-ray of spinal subarachnoid space)</p> Signup and view all the answers

    What is the term for a state of unconsciousness, unarousability, and unresponsiveness?

    <p>Coma</p> Signup and view all the answers

    What is the term for a continuum from normal alertness and full cognition to coma?

    <p>Altered level of consciousness</p> Signup and view all the answers

    What is a potential cause of altered level of consciousness?

    <p>All of the above</p> Signup and view all the answers

    What is a common assessment finding in a patient with altered level of consciousness?

    <p>Unresponsive to voice and pain</p> Signup and view all the answers

    What is the primary purpose of diagnostic tests in neurologic dysfunction?

    <p>To identify the underlying cause of the disorder</p> Signup and view all the answers

    What is the term for a posture characterized by flexion of the arms and legs, and plantar flexion of the feet?

    <p>Decorticate posturing</p> Signup and view all the answers

    What is a primary goal of nursing care for a patient with altered level of consciousness?

    <p>Maintenance of clear airway</p> Signup and view all the answers

    What is a potential complication of altered level of consciousness?

    <p>Respiratory distress</p> Signup and view all the answers

    What is a nursing intervention to prevent corneal irritation?

    <p>Administration of artificial tears</p> Signup and view all the answers

    Why is it essential to maintain the patient's dignity and privacy?

    <p>To respect the patient's autonomy</p> Signup and view all the answers

    What is a method to assess fluid status in a patient with altered level of consciousness?

    <p>Inspecting skin turgor and mucosa</p> Signup and view all the answers

    What is a nursing goal in the care of patients with altered level of consciousness?

    <p>Prevention of complications</p> Signup and view all the answers

    What is a potential consequence of immobility in a patient with altered level of consciousness?

    <p>Contractures</p> Signup and view all the answers

    What is a nursing intervention to maintain patient safety?

    <p>Positioning to prevent aspiration</p> Signup and view all the answers

    What is a potential indicator of altered level of consciousness in a patient?

    <p>Depressed or hyperactive reflexes</p> Signup and view all the answers

    What is a primary concern for a patient with an altered level of consciousness?

    <p>Ineffective airway clearance</p> Signup and view all the answers

    What is a potential complication of immobility in a patient with an altered level of consciousness?

    <p>Risk of infection</p> Signup and view all the answers

    What is a primary goal of nursing care for a patient with an altered level of consciousness?

    <p>Promoting effective airway clearance</p> Signup and view all the answers

    What is a potential indicator of hypermetabolism in a patient with an altered level of consciousness?

    <p>Weight loss</p> Signup and view all the answers

    What is a potential complication of altered nutrition in a patient with an altered level of consciousness?

    <p>Altered tissue perfusion</p> Signup and view all the answers

    What is the primary role of the autonomic nervous system in regulating involuntary body functions?

    <p>To maintain and restore internal homeostasis</p> Signup and view all the answers

    What is the primary function of the peripheral nervous system?

    <p>To transmit and process information from sensory receptors</p> Signup and view all the answers

    What is indicated by a decorticate posture in a patient?

    <p>Damage to the brain and corticospinal tract</p> Signup and view all the answers

    What is the primary goal of the nursing process in caring for patients with neurologic disorders?

    <p>To provide individualized care and support</p> Signup and view all the answers

    What is a potential complication of increased intracranial pressure in patients?

    <p>Respiratory failure and decreased oxygen saturation</p> Signup and view all the answers

    What is the primary purpose of neurologic assessment in patients?

    <p>To identify potential complications and risks</p> Signup and view all the answers

    What is the primary goal of care for patients with altered levels of consciousness?

    <p>To provide individualized care and support</p> Signup and view all the answers

    What is the primary role of the sympathetic nervous system in regulating involuntary body functions?

    <p>To promote the 'fight or flight' response</p> Signup and view all the answers

    What is the primary purpose of invasive ICP monitoring in patients with increased intracranial pressure?

    <p>To monitor the effectiveness of treatment</p> Signup and view all the answers

    What is the term for the respiratory pattern alteration characterized by increasing depth and then decreasing depth of respirations, followed by a period of apnea?

    <p>Cheyne-Stokes breathing</p> Signup and view all the answers

    What is the primary goal of restricting fluids in patients with increased intracranial pressure?

    <p>To reduce cerebral edema</p> Signup and view all the answers

    What is the term for a triad of symptoms that includes bradycardia, hypertension, and bradypnea?

    <p>Cushing's triad</p> Signup and view all the answers

    What is the primary purpose of using osmotic diuretics such as mannitol in patients with increased intracranial pressure?

    <p>To reduce cerebral edema</p> Signup and view all the answers

    What is the term for the posture characterized by adduction and flexion of upper extremities, internal rotation of legs, and plantar flexion of feet?

    <p>Decorticate posturing</p> Signup and view all the answers

    What is a sign of a patient with altered level of consciousness?

    <p>Depressed or hyperactive reflexes</p> Signup and view all the answers

    What is a nursing diagnosis for a patient with altered level of consciousness?

    <p>All of the above</p> Signup and view all the answers

    What is a possible behavioral change in a patient with altered level of consciousness?

    <p>Restlessness and anxiety</p> Signup and view all the answers

    What is a possible motor response in a patient with altered level of consciousness?

    <p>Decorticate posturing</p> Signup and view all the answers

    What is a possible complication of immobility in a patient with altered level of consciousness?

    <p>Risk of injury</p> Signup and view all the answers

    What is a nursing intervention to prevent skin breakdown in a patient with altered level of consciousness?

    <p>Turning and repositioning</p> Signup and view all the answers

    What is the primary characteristic of decerebrate posturing?

    <p>Extension and internal rotation of the arms</p> Signup and view all the answers

    What is the term for a state of unconsciousness, unarousability, and unresponsiveness?

    <p>Coma</p> Signup and view all the answers

    What is the primary purpose of diagnostic tests in neurologic dysfunction?

    <p>To identify the underlying cause of the dysfunction</p> Signup and view all the answers

    What is the term for a posture characterized by flexion of the arms and legs, and plantar flexion of the feet?

    <p>Decorticate posturing</p> Signup and view all the answers

    What is a potential cause of altered level of consciousness?

    <p>All of the above</p> Signup and view all the answers

    What is the term for a continuum from normal alertness and full cognition to coma?

    <p>Altered level of consciousness</p> Signup and view all the answers

    What is the primary function of the nervous system?

    <p>To control all motor, sensory, autonomic, cognitive, and behavioral activities</p> Signup and view all the answers

    What is a common assessment finding in a patient with altered level of consciousness?

    <p>Unresponsive to voice and pain</p> Signup and view all the answers

    What is the term for a state of unconsciousness, unarousability, and unresponsiveness?

    <p>Coma</p> Signup and view all the answers

    Which diagnostic test is used to visualize the spinal subarachnoid space?

    <p>Myelography</p> Signup and view all the answers

    What is the primary objective of the health history in neurologic assessment?

    <p>To identify the patient's needs</p> Signup and view all the answers

    What is the term for a posture characterized by adduction and flexion of upper extremities, internal rotation of legs, and plantar flexion of feet?

    <p>Decorticate posture</p> Signup and view all the answers

    What is the primary goal of caring for a patient with increased intracranial pressure?

    <p>To reduce intracranial pressure</p> Signup and view all the answers

    What is the purpose of pupil checks in patients with increased intracranial pressure?

    <p>To monitor for signs of increased ICP</p> Signup and view all the answers

    What is the primary method of invasive monitoring of intracranial pressure?

    <p>Intracranial catheter</p> Signup and view all the answers

    What is the typical respiratory pattern alteration seen in patients with increased intracranial pressure?

    <p>Bradypnea</p> Signup and view all the answers

    What is the normal range of Intracranial Pressure (ICP)?

    <p>10 to 20 mm Hg</p> Signup and view all the answers

    What is the formula to calculate Cerebral Perfusion Pressure (CPP)?

    <p>CPP = MAP - ICP</p> Signup and view all the answers

    What is the result of increased Intracranial Pressure (ICP)?

    <p>Decreased cerebral perfusion</p> Signup and view all the answers

    What is a common cause of increased Intracranial Pressure (ICP)?

    <p>Head injury</p> Signup and view all the answers

    What is Cushing's Triad characterized by?

    <p>Bradycardia, Hypertension, Bradypnea</p> Signup and view all the answers

    What is a manifestation of increased Intracranial Pressure (ICP)?

    <p>Changes in level of consciousness</p> Signup and view all the answers

    What is the purpose of invasive monitoring of ICP?

    <p>To monitor intracranial pressure</p> Signup and view all the answers

    What is a complication of increased Intracranial Pressure (ICP)?

    <p>Herniation</p> Signup and view all the answers

    What is a common manifestation of increased ICP?

    <p>Increase in pulse pressure</p> Signup and view all the answers

    What is the Monro-Kellie hypothesis?

    <p>An increase in any one of the components of the skull will cause a change in the volume of the others</p> Signup and view all the answers

    What is a management strategy for increased ICP?

    <p>Restricting fluids</p> Signup and view all the answers

    What is autoregulation in the context of cerebral blood flow?

    <p>The brain’s ability to change the diameter of blood vessels to maintain cerebral blood flow</p> Signup and view all the answers

    What is a nursing intervention to assess neurologic status?

    <p>Conducting a Glasgow Coma Scale assessment</p> Signup and view all the answers

    What is the purpose of osmotic diuretics in managing increased ICP?

    <p>To reduce intracranial pressure</p> Signup and view all the answers

    Study Notes

    Complications of Altered Level of Consciousness (LOC)

    • Respiratory distress or failure
    • Pneumonia
    • Aspiration
    • Pressure ulcers
    • Sepsis
    • Deep Vein Thrombosis (DVT)
    • Contractures
    • Disturbed gastrointestinal function

    Nursing Care for Patients with Altered LOC

    Goals

    • Maintenance of clear airway
    • Protection from injury
    • Attainment of fluid volume balance
    • Maintenance of skin integrity
    • Absence of corneal irritation
    • Effective thermoregulation
    • Accurate perception of environmental stimuli
    • Maintenance of intact family or support system
    • Absence of complications

    Interventions

    • Maintaining a clear airway
      • Frequent monitoring of respiratory status
      • Auscultation of lung sounds
      • Ensuring patent airway
      • Positioning to promote accumulation of secretions
      • Suctioning, oral hygiene, and CPT
      • Administering oxygen via nasal cannula or non-rebreathing mask
    • Maintaining tissue integrity
      • Assessing skin frequently
      • Frequent turning (every 2 hours)
      • Careful positioning in correct body alignment
      • Passive ROM
      • Use of splints, foam boots, trochanter rolls, and specialty beds
      • Cleaning eyes with cotton balls moistened with saline
      • Using artificial tears as prescribed
    • Maintaining fluid status
      • Assessing fluid status by examining tissue turgor and mucosa
      • Laboratory test data
      • I&O
    • Promoting bowel and bladder function
      • Assessing for urinary retention and incontinence
      • May require indwelling or intermittent catheterization
      • Bladder training program
      • Assessing for abdominal distention, potential constipation, and bowel incontinence
      • Monitoring bowel movements
      • Promoting elimination with stool softeners, glycerin suppositories, or enemas as indicated
    • Sensory stimulation and communication
      • Talking to and touching the patient
      • Encouraging family to talk to and touch the patient
      • Maintaining normal day–night pattern of activity
      • Orienting the patient frequently
      • Speaking to the patient, using proper name, introducing self, and explaining all care

    Neurologic Dysfunction

    Objectives

    • Reviewing the anatomy and physiology of the nervous system
    • Identifying diagnostic tests used to determine neurologic disorders
    • Describing the multiple needs of patients with altered LOC, increased intracranial pressure, and seizures
    • Using the nursing process as a framework for care of patients with neurologic disorders

    The Nervous System

    • Consists of two divisions:
      • Central Nervous System (CNS):
        • Brain
        • Spinal Cord
      • Peripheral Nervous System:
        • Cranial Nerve
        • Spinal Nerve
        • Autonomic and Somatic Systems
    • Functions to control all motor, sensory, autonomic, cognitive, and behavioral activities

    Autonomic Nervous System

    • Regulates involuntary body functions
    • Maintains and restores internal homeostasis
    • Divided into:
      • Sympathetic Nervous System:
        • "Fight or Flight" responses
        • Main neurotransmitter is Norepinephrine
      • Parasympathetic Nervous System:
        • Controls mostly visceral functions
        • Regulated by centers in the spinal cord, brainstem, and hypothalamus

    Neurologic Assessment

    • Health history:
      • Pain and seizures
      • Dizziness and vertigo
      • Visual disturbances
      • Weakness
      • Abnormal sensations
      • Decorticate posture

    Increased Intracranial Pressure (ICP)

    • Compensatory mechanisms:
      • Monro-Kellie Hypothesis:
        • Limited space in the skull
        • Increase in any one component (brain tissue, blood, CSF) causes a change in the volume of the others
      • Autoregulation:
        • Brain's ability to change the diameter of blood vessels to maintain cerebral blood flow
        • CO2 plays a role
    • Manifestations:
      • Late:
        • Respiratory and vasomotor changes
        • VS: increase in systolic blood pressure, widening of pulse pressure, and slowing of the heart rate
        • Temperature increase
        • Cushing's Triad: bradycardia, hypertension, bradypnea
        • Projectile vomiting
        • Further deterioration of LOC
        • Hemiplegia, decortication, decerebration, or flaccidity
        • Respiratory pattern alterations
        • Loss of brainstem reflexes

    Management of Increased ICP

    • Depends on the cause
    • Patient requires invasive monitoring of ICP
    • Interventions:
      • Craniotomy
      • Surgical drainage of hematoma or CSF drainage
      • Restricting fluids
      • Controlling fever
      • Maintaining systemic blood pressure
      • Oxygenation
      • Medications:
        • Osmotic diuretics (Mannitol and Dexamethasone)
        • GI ulcer prophylactics (Tagamet)
        • Anticonvulsants

    ICP Monitoring

    • Normal ICP: below 15 mm Hg mean pressure

    • Cerebral perfusion pressure (CPP): closely linked to ICP

    • CPP = MAP (mean arterial pressure) - ICP

    • Normal CCP/CPP: 70 to 100

    • CCP/CPP less than 50 results in permanent neurologic damage### Altered Level of Consciousness (LOC)

    • Altered LOC is a continuum from normal alertness and full cognition to coma

    • Coma: unconsciousness, unarousable, unresponsiveness

    • Unconscious state in which the patient is unaware of self or the environment and unresponsive to verbal or painful stimuli

    • Causes of altered LOC: neurologic, toxicologic, or metabolic

    • Patient with altered LOC depends on the nurse for maintenance of all basic human needs

    Nursing Process: Assessment

    • Assess verbal response and orientation
    • Alertness and motor responses
    • Respiratory status
    • Eye signs and reflexes
    • Postures and Glasgow Coma Scale

    Nursing Diagnosis

    • Ineffective airway clearance
    • Risk of injury
    • Deficient fluid volume
    • Impaired oral mucosa
    • Risk for impaired skin integrity and impaired tissue integrity (cornea)
    • Ineffective thermoregulation
    • Impaired urinary elimination and bowel incontinence
    • Disturbed sensory perception
    • Interrupted family processes
    • Altered Tissue Perfusion
    • Risk of Infection
    • Altered Nutrition: less than body requirements

    Neurologic Assessment

    • Decerebrate Posture: extension and internal rotation of the arms, plantar flexion of the feet
    • Decorticate Posturing: adduction and flexion of upper extremities, internal rotation of legs, plantar and feet flexion

    Diagnostic Tests of Neurologic Dysfunction

    • Computed Tomography Scanning (CT)
    • Magnetic Resonance Imaging (MRI)
    • Positron Emission Tomography (PET)
    • Cerebral Angiography
    • Myelography (X-ray of spinal subarachnoid space)
    • Electroencephalography (EEG)
    • Lumbar Puncture (LP)
    • Cerebrospinal Fluid Analysis (CSF)
    • Nerve conduction studies
    • Neurologic physical examination

    Neurologic Dysfunction

    • Etiology: Head and Neck Trauma, Meningitis, Encephalitis, Drug Overdose, Toxic Exposure, Diabetic Ketoacidosis, Insulin Shock, Liver Failure, Renal Failure (Uremia), Cardiac Arrest, Cerebrovascular Accident (CVA)
    • Assessment and Diagnostic Findings: Unresponsive to voice and pain, Dilated or pinpoint pupils, Fixed pupils, Involuntary movements, Flaccidity or rigidity of muscles

    Management of Patients with Neurologic Dysfunction

    • Increase Intracranial Pressure (ICP)
    • Objectives: Review the anatomy and physiology of the nervous system, Identify the diagnostic tests used to determine neurologic disorders, Describe the multiple needs of the patients with altered level of consciousness, increased ICP, and seizures in terms of their clinical manifestation, complications, and medical and nursing management

    Neurological Dysfunction

    • The nervous system consists of two divisions: Central Nervous System (CNS) and Peripheral Nervous System
    • The function of the nervous system is to control all Motor, Sensory, Autonomic, Cognitive, and Behavioral Activities

    Autonomic Nervous System

    • Regulates involuntary body functions
    • Its function is to regulate activities of internal organs and to maintain and restore internal homeostasis
    • Sympathetic Nervous System: "Fight or Flight" responses, Main neurotransmitter is Norepinephrine
    • Parasympathetic Nervous System: Controls mostly visceral functions, Regulated by centers in the spinal cord, brainstem, and hypothalamus

    Neurologic Assessment: Health History

    • Pain and Seizures
    • Dizziness and Vertigo
    • Visual disturbances
    • Weakness
    • Abnormal sensations
    • Decorticate Posture: adduction and flexion of upper extremities, internal rotation of legs, plantar and feet flexion

    Manifestations of Increased ICP: Late

    • Respiratory and Vasomotor changes
    • VS: Increase in systolic blood pressure, widening of pulse pressure, and slowing of the heart rate; pulse may fluctuate rapidly from tachycardia to bradycardia; temperature increase
    • Cushing's Triad: Bradycardia, Hypertension, Bradypnea
    • Projectile vomiting
    • Further deterioration of LOC; stupor to coma
    • Hemiplegia, decortication, decerebration, or flaccidity
    • Respiratory pattern alterations including Cheyne-Stokes breathing and arrest
    • Loss of brainstem reflexes: pupil, gag, corneal, and swallowing

    Management of Increased ICP

    • Depends on cause
    • Patient requires invasive monitoring of ICP
    • ICP Monitoring: Craniotomy, Surgical drainage of hematoma, or CSF drainage (ventricular; continuous or intermittent) or Lumbar (intrathecal)
    • Restricting Fluids
    • Controlling Fever
    • Maintaining Systemic BP
    • Oxygenation
    • Medications: Osmotic Diuretics, GI ulcer prophylactics, Anticonvulsants

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    6. 1- Neurologic Dysfunction. (1).pptx

    Description

    Review the anatomy and physiology of the nervous system and identify diagnostic tests used to determine neurologic disorders. Describe the needs of patients with altered level of consciousness, increased intracranial pressure, and seizures.

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