MS NEURO 2

Cards (190)

  • Increased ICP
    Occurs whenever there is increase in the bulk of the brain
  • Bulk of the brain
    • Brain tissues
    • Blood supply
    • CSF
  • Disorders that increase the bulk of the brain tissues
    • Space-occupying lesions (e.g., cerebral tumor, abscess, edema (due to infection or trauma))
  • Factors that increase the blood supply to the brain
    • Cerebral hemorrhage
    • Thrombosis
    • Embolism
    • Aneurysm
    • Arteriovenous malformation (AV malformation)
  • Factors that increase the bulk of CSF
    • Obstruction to the flow of CSF caused by a brain tumor or ventricular system defects (hydrocephalus)
    • Overproduction of CSF caused by a tumor in the choroid plexus
  • Increased ICP causes cerebral hypoxia
  • Clinical manifestations of increased ICP
    • Restlessness
    • Headache
    • Nausea and vomiting
    • Diplopia (double vision)
    • Altered level of consciousness
    • Vital signs changes - stimulation of Cushing's reflex in response to cerebral hypoxia
  • Cushing's triad
    • Elevated systolic blood pressure
    • Bradycardia
    • Slow, irregular respiration
  • Widening pulse pressure is more than 40 mm Hg (S-D= PP)
  • Pupillary changes
    • Anisucuria (unequal pupil)
    • Pinpoint pupils
    • Fixed, dilated pupils
  • Papilledema
    Compression of the Cranial nerve II
  • Lateralizing sign
    Contralateral (opposite side) loss of motor function due to decussation of motor fibers at the level of medulla oblongata
  • Brainstem function impairment
    • Doll's Eye sign
    • Decorticate posturing
    • Decerebrate posturing
  • Alterations in sensory function (agnosia), motor function (seizures), language and speech (expressive aphasia, receptive aphasia, alexia), bowel and bladder function (retention or incontinence)
  • Collaborative management for clients with increased ICP
    • Position the client in Semi-fowlers, lateral position
    • Promote adequate oxygenation with mechanical ventilation
    • Promote safety with padded side-rails
    • Promote complete bed rest
    • Avoid activities that increase ICP
  • Pharmacologic management
    • Mannitol (Osmitrol)
    • Dexamethasone (Decardron)
    • Anti-convulsants medications
    • Histamine 2 (H2) Receptor Antagonist
  • Seizures are sudden, excessive, disorderly electrical discharges of the neurons
  • Types of seizures
    • Grand mal seizure
    • Petit Mal (Absence Seizure/Little Sickness)
    • Jacksonian (Focal seizure)
    • Psychomotor seizure
    • Febrile seizure
    • Status epilepticus
  • Collaborative management for seizure disorder
    • Stay with the client
    • Protect the client from injury
    • Promote patent airway
  • Pharmacologic management for seizure disorder
    • Hydantoins (Phenytoin, Dilantin)
    • Nursing interventions in Phenytoin (Dilantin) therapy
  • Side effects and adverse reactions of Phenytoin (Dilantin)
    • Gingival hyperplasia
    • Neurologic and psychiatric effects
    • Bone marrow suppression
    • Hyperglycemia
    • GI effects
    • Drowsiness, headaches, alopecia, hirsutism
    • Urine output discoloration
  • Collaborative management for altered level of consciousness
    • Maintain stimulation
    • Maintain nutrition
    • Maintain elimination
    • Maintain circulation
    • Maintain normal body temperature
    • Promote safety
    • Promote activity
    • Maintain skin integrity
    • Maintain good hygiene
    • Support family
  • Cerebrovascular accident (CVA)

    Disruption of the blood supply to the brain, causing neurologic deficit
  • Causes of CVA
    • Thrombosis
    • Embolism
    • Cerebral hemorrhage
  • CVA due to thrombosis and embolism may occur during sleep or rest period, while CVA due to hemorrhage is associated with activities and occurs during waking hours
  • Transient ischemic attack (TIA)

    Transient cerebral ischemia with temporary episodes of neurologic dysfunction
  • Clinical manifestations of CVA
    • Signs and symptoms of increased ICP
    • Perceptual defects
    • Sensory deficits (Agnosia)
    • Motor deficits (Apraxia, Agraphia)
    • Homonymous hemianopsia
    • Aphasia (Expressive, Receptive, Global)
  • Severely limited

    Spoken output
  • Frontal lobe
    • Broca's area
    • Aphasia
    • Producing speech
  • Temporal lobe

    • Wernicke's area
    • Understanding & processing speech
  • Cleveland Clinic
  • Universidad De Dagupan
  • Arellano St., Dagupan City
  • College of Health Sciences-Nursing Department
  • Nutrition and Gastrointestinal, Metabolism, Coordination, Acute and Chronic
  • Increased ICP

    Increase in the bulk of the brain
  • Bulk of the brain
    • Brain tissues
    • Blood supply
    • CSF
  • Space-occupying lesions
    Disorders that increase the bulk of the brain tissues (e.g., cerebral tumor, abscess, edema)
  • Factors that increase the blood supply to the brain
    • Cerebral hemorrhage
    • Thrombosis
    • Embolism
    • Aneurysm
    • Arteriovenous malformation
  • Factors that increase the bulk of CSF
    • Obstruction to the flow of CSF caused by a brain tumor or ventricular system defects (hydrocephalus)
    • Overproduction of CSF caused by a tumor in the choroid plexus