+ All Categories
Home > Documents > c Tests(Neuro)

c Tests(Neuro)

Date post: 03-Apr-2018
Category:
Upload: tina-talmadge
View: 221 times
Download: 0 times
Share this document with a friend

of 233

Transcript
  • 7/28/2019 c Tests(Neuro)

    1/233

    Care of Clients withNeurologic Deficit

    By: Elmer G. Organia, RN

  • 7/28/2019 c Tests(Neuro)

    2/233

  • 7/28/2019 c Tests(Neuro)

    3/233

    Organization of the Nervous System

  • 7/28/2019 c Tests(Neuro)

    4/233

  • 7/28/2019 c Tests(Neuro)

    5/233

  • 7/28/2019 c Tests(Neuro)

    6/233

    Gray and White Matter in the Brain

  • 7/28/2019 c Tests(Neuro)

    7/233

    Gray Matter and White Matter in the SpinalCord

  • 7/28/2019 c Tests(Neuro)

    8/233

    Gray and White Matter in the PNS

  • 7/28/2019 c Tests(Neuro)

    9/233

    The Cerebral Hemispheres

  • 7/28/2019 c Tests(Neuro)

    10/233

    Longitudinal Fissure

  • 7/28/2019 c Tests(Neuro)

    11/233

  • 7/28/2019 c Tests(Neuro)

    12/233

    Cerebral Lobes

  • 7/28/2019 c Tests(Neuro)

    13/233

    Figure 13.15

  • 7/28/2019 c Tests(Neuro)

    14/233

    Diencephalon

    Figure 13.16a

  • 7/28/2019 c Tests(Neuro)

    15/233

  • 7/28/2019 c Tests(Neuro)

    16/233

    Midbrain, Pons, MedullaOblongata, Cerebellum

  • 7/28/2019 c Tests(Neuro)

    17/233

    Pons, Medulla Oblongata

  • 7/28/2019 c Tests(Neuro)

    18/233

    Cerebellum

  • 7/28/2019 c Tests(Neuro)

    19/233

  • 7/28/2019 c Tests(Neuro)

    20/233

    Cerebrospinal Fluid (CSF)

  • 7/28/2019 c Tests(Neuro)

    21/233

    Cerebrospinal Fluid (CSF)

  • 7/28/2019 c Tests(Neuro)

    22/233

    Cerebrospinal Fluid

  • 7/28/2019 c Tests(Neuro)

    23/233

    CSF

  • 7/28/2019 c Tests(Neuro)

    24/233

    CSF

  • 7/28/2019 c Tests(Neuro)

    25/233

    Blood Brain Barrier

    S i l C d

  • 7/28/2019 c Tests(Neuro)

    26/233

    Spinal Cord

  • 7/28/2019 c Tests(Neuro)

    27/233

    Spinal Cord

  • 7/28/2019 c Tests(Neuro)

    28/233

  • 7/28/2019 c Tests(Neuro)

    29/233

    Anatomy of Spinal Cord

  • 7/28/2019 c Tests(Neuro)

    30/233

    S i l C d

  • 7/28/2019 c Tests(Neuro)

    31/233

    Spinal Cord

  • 7/28/2019 c Tests(Neuro)

    32/233

    Anatomy of the Spinal Cord

  • 7/28/2019 c Tests(Neuro)

    33/233

  • 7/28/2019 c Tests(Neuro)

    34/233

    M i

  • 7/28/2019 c Tests(Neuro)

    35/233

    Meninges

  • 7/28/2019 c Tests(Neuro)

    36/233

    The Meninges

  • 7/28/2019 c Tests(Neuro)

    37/233

  • 7/28/2019 c Tests(Neuro)

    38/233

  • 7/28/2019 c Tests(Neuro)

    39/233

  • 7/28/2019 c Tests(Neuro)

    40/233

  • 7/28/2019 c Tests(Neuro)

    41/233

    Patellar Reflex

    rgan za on o e ervous

  • 7/28/2019 c Tests(Neuro)

    42/233

    rgan za on o e ervousSystem

  • 7/28/2019 c Tests(Neuro)

    43/233

  • 7/28/2019 c Tests(Neuro)

    44/233

  • 7/28/2019 c Tests(Neuro)

    45/233

    Th 12 P i f C i l

  • 7/28/2019 c Tests(Neuro)

    46/233

    The 12 Pairs of CranialNerves

    12 Pairs of Cranial Nerves

  • 7/28/2019 c Tests(Neuro)

    47/233

    12 Pairs of Cranial Nerves

    CN I (Olf N )

  • 7/28/2019 c Tests(Neuro)

    48/233

    CN I (Olfactory Nerves )

    CN II (Optic Nerve)

  • 7/28/2019 c Tests(Neuro)

    49/233

    CN II (Optic Nerve)

    CN III (Oculomotor Nerve)

  • 7/28/2019 c Tests(Neuro)

    50/233

    CN III (Oculomotor Nerve)

    CN IV (T hl N )

  • 7/28/2019 c Tests(Neuro)

    51/233

    CN IV (Trochlear Nerve)

    CN V (T ig i l N )

  • 7/28/2019 c Tests(Neuro)

    52/233

    CN V (Trigeminal Nerve)

    CN VI (Abd N )

  • 7/28/2019 c Tests(Neuro)

    53/233

    CN VI (Abducens Nerve)

  • 7/28/2019 c Tests(Neuro)

    54/233

  • 7/28/2019 c Tests(Neuro)

    55/233

    CN VIII

    (Vestibulocochlear Nerve)

  • 7/28/2019 c Tests(Neuro)

    56/233

    CN IX (Glossopharyngeal Nerve)

    CN X (Vagus Nerve)

  • 7/28/2019 c Tests(Neuro)

    57/233

    CN X (Vagus Nerve)

    CN XI (Accessory Nerve)

  • 7/28/2019 c Tests(Neuro)

    58/233

    CN XI (Accessory Nerve)

    CN XII (Hypoglossal Nerve)

  • 7/28/2019 c Tests(Neuro)

    59/233

    CN XII (Hypoglossal Nerve)

    CN DYSFUNCTION INTERVENTIONS

  • 7/28/2019 c Tests(Neuro)

    60/233

    I Decreased sense of smell Is often accompanied by impaired taste and weightloss

    II Decreased visual acuity and

    visual fields

    Frequent reorientation to environment. Position

    objects around client in deference to visualimpairment

    IIIIV,VI

    Double vision (diplopia) Intermittent eye patchingLubricate eyes to protect against corneal abrasions

    V Decreased facial sensationInability to chewDecreased corneal reflexes

    Caution in shaving and mouth care. Choose easy tochew foods with high caloric content. Protectcorneas from abrasion by using lubricant

    VII Facial weakness and

    decreased taste(ant. tongue)

    Oral hygiene. Account for decreased food intake.

    Cosmetic approach to hiding facial weakness.VIII Hearing loss, imbalance,

    vertigo, tinnitusSAFETY! Move slowly to prevent nausea andemesis. Assist ambulation

    IXX

    Dysarthria, Dysphagia,cardiac and respiratoryinstability

    Maintain airway. Prevent aspiration. Swallowtherapy

  • 7/28/2019 c Tests(Neuro)

    61/233

    Structure of Spinal Nerves

  • 7/28/2019 c Tests(Neuro)

    62/233

    Spinal Nerve

    Spinal Nerves Dorsal Root and

  • 7/28/2019 c Tests(Neuro)

    63/233

    Spinal Nerves-Dorsal Root andVentral Root

  • 7/28/2019 c Tests(Neuro)

    64/233

  • 7/28/2019 c Tests(Neuro)

    65/233

  • 7/28/2019 c Tests(Neuro)

    66/233

  • 7/28/2019 c Tests(Neuro)

    67/233

  • 7/28/2019 c Tests(Neuro)

    68/233

    S h i N S

  • 7/28/2019 c Tests(Neuro)

    69/233

    Sympathetic Nervous System

  • 7/28/2019 c Tests(Neuro)

    70/233

  • 7/28/2019 c Tests(Neuro)

    71/233

  • 7/28/2019 c Tests(Neuro)

    72/233

    Autonomic Reflexes

    Control of Autonomic Functions by

  • 7/28/2019 c Tests(Neuro)

    73/233

    yHigher Brain Centers

  • 7/28/2019 c Tests(Neuro)

    74/233

  • 7/28/2019 c Tests(Neuro)

    75/233

    Key Concepts Oxygen Supply - 20% of Oxygen in

    the body.

    Glucose Supply 65 75% of glucosein the body. Blood Supply 1/3 of Cardiac Output

  • 7/28/2019 c Tests(Neuro)

    76/233

    Acid Base Balance

    Acidosis cerebral vasodilation-increase ICP- CNS depressant-COMA.

    Alkalosis Vasoconstriction IncreaseICP CNS stimulant - SEIZURE

  • 7/28/2019 c Tests(Neuro)

    77/233

  • 7/28/2019 c Tests(Neuro)

    78/233

  • 7/28/2019 c Tests(Neuro)

    79/233

    Impairment of short term memory Blood supply lessens Alteration of sleep-wake ratio

  • 7/28/2019 c Tests(Neuro)

    80/233

  • 7/28/2019 c Tests(Neuro)

    81/233

    Diagnostic Tests

    N i i T t

  • 7/28/2019 c Tests(Neuro)

    82/233

    Non-invasive Test

    1.) SKULL &SPINAL X-RAY

    b l

  • 7/28/2019 c Tests(Neuro)

    83/233

    Nsg Responsibilities:

    PREPROCEDURE

    1.)Explain the procedure

    2.)Provide support for the confused, combative and ventilated dependent

    3.)Maintain immobilization of neck if spinal fracture is suspected

    4.)Fasting is not required

    5.)Remove metal items from body parts.

    6.)If the client has thick and heavy hair, this should be documented.

    2 ) COMPUTED TOMOGRAPHY SCAN

  • 7/28/2019 c Tests(Neuro)

    84/233

    2.) COMPUTED TOMOGRAPHY SCAN

    HemorrhageTumors

    Abscess

    EmboliCV disorders

    Fractures

    Degenerative disorders

    b l

  • 7/28/2019 c Tests(Neuro)

    85/233

    Nsg Responsibilities:Preprocedure:

    1. Explain the procedure2. Obtain consent if dye is to be used3. Assess for allergies to the dye4. Instruct the patient the need to lie flat and still during the test5. Remove objects from the head6. Assess for claustrophobia7. Inform the patient about the possible mechanical noise8. Inform about the possible effect of the dye as injected.9. Sedate as ordered

  • 7/28/2019 c Tests(Neuro)

    86/233

    Post procedure:

    1.Provide fluid replacement2.Monitor for allergic reaction3.Assess dye injection site

    3 ) Magnetic Resonance Imaging

  • 7/28/2019 c Tests(Neuro)

    87/233

    3.) Magnetic Resonance Imaging

    Identifies types of braintissues

    Tumors Vascular abnormalities Abnormal degenerative

    disorders Ischemic areas Edema Demyelinization

    Oops! Neurons break

  • 7/28/2019 c Tests(Neuro)

    88/233

    Oops! Neuron s break

    1.) Give one contraindication for MRIand the rationale!

    4 )P i E i i T h

  • 7/28/2019 c Tests(Neuro)

    89/233

    4.)Positron Emission Tomography Used to measure cerebral b

    flow Cerebral glucose metabolis Oxygen extraction Epilepsy Tumor

    ELECTOENCEPHALOGRAM

  • 7/28/2019 c Tests(Neuro)

    90/233

    ( EEG)

    Is an amplified recording ofthe electrical activity of the brain.

    Used to dx: Epilepsy Cerebral damage (coma,

    drug overdose, retardation,organic brain syndrome)

    Cerebral death

    N ibili i

  • 7/28/2019 c Tests(Neuro)

    91/233

    Nsg responsibilities:

    1. Explain the purpose of the test2. Wash the clients hair 3. Inform that electrodes are attached to the head4. Withhold stimulants, antidepressants, tranquilizers,

    anticonvulsants5. Breakfast is allowed6. Wash the clients hair

    7. The test will take 45-2 hours.

    Pre-procedure

  • 7/28/2019 c Tests(Neuro)

    92/233

  • 7/28/2019 c Tests(Neuro)

    93/233

    Invasive Diagnostic Test

    LUMBAR PUNCTURE

  • 7/28/2019 c Tests(Neuro)

    94/233

    LUMBAR PUNCTURE

    Introducing a hollow needle intoSAS between L4& L5, is used to:

    Measure CSF pressure Collect CSF for lab exam

    Inject contrast medium Reduce ICP Introduce anesthetics

    Reference Abnormal

  • 7/28/2019 c Tests(Neuro)

    95/233

    ReferenceValue:

    AbnormalFindings

    1.) Color Crystal, clear,colorless Cloudy

    bloody

    2.) Pressure 60-180mmH2O increased

    decreased

    3.) Protein 15-45 mg/dl increased

    4.) Glucose 50-75mg/dl increaseddecreased

    5.) IgG 1-4 mg/dl increased

    N g ibiliti

  • 7/28/2019 c Tests(Neuro)

    96/233

    Nsg responsibilities: Pre-procedure:1. Explain the

    procedure2. Obtain consent3. Have patient

    empty the bladder.

  • 7/28/2019 c Tests(Neuro)

    97/233

    Queckenstedts test

  • 7/28/2019 c Tests(Neuro)

    98/233

    Queckenstedts test

    To test for subarachnoid obstruction. Compression of jugular vein noting

    pressure of spinal fluid.

    MYELOGRAM

  • 7/28/2019 c Tests(Neuro)

    99/233

    MYELOGRAM

    Is a radiograph of the spinalcanal after injection ofcontrast media into the SASthru LP.

    Used to detect: Herniated intravertebral

    disk Spinal cord tumor spondylosis

  • 7/28/2019 c Tests(Neuro)

    100/233

    CEREBRAL ANGIOGRAM

  • 7/28/2019 c Tests(Neuro)

    101/233

    CEREBRAL ANGIOGRAM

    Is an invasive method ofvisualizing the intracranial andextra-cranial blood vessels by

    using an intra-arterial injection ofradiopaque contrast medium

    Used to detect:

  • 7/28/2019 c Tests(Neuro)

    102/233

    Used to detect: Structural abnormalities of BV Malformations

    Aneurysms

    Thrombi

    Occlusions

    Arterio-venous malformation

    Nsg Responsibilities:

  • 7/28/2019 c Tests(Neuro)

    103/233

    Nsg Responsibilities:PRE-PROCEDURE:

    1. Explain the procedure2. Obtain consent3. Assess for allergies4. NPO 4-6 hours prior to the test5. Obtain baseline neurological status6. Mark peripheral pulses7. Remove metal items

    8. Administer pre-medications.

    POST-PROCEDURE:

  • 7/28/2019 c Tests(Neuro)

    104/233

    POST-PROCEDURE:

    1. Monitor Vs and Neurological Status2. Monitor fro swelling in the neck and dysphagia3. Bed rest for 12 hours

    4. Elevate head of the bed 15-30 degrees5. Keep the bed flat if the femoral artery is used6. Assess peripheral pulses7. Immobilize the puncture site for 12 hours8. Apply pressure dressing to the injection site9. Apply ice to the punctured site10.Force fluids

    Electromyography

  • 7/28/2019 c Tests(Neuro)

    105/233

    Electromyography Is used to measure anddocument electrical

    currents produced byskeletal muscles.

    Small needle electrodes areinserted into the muscles

    Used to detectneuromuscular disorder

  • 7/28/2019 c Tests(Neuro)

    106/233

    Neurological Assessment

    I Consciousness & Mental State

  • 7/28/2019 c Tests(Neuro)

    107/233

    I. Consciousness & Mental State

    Cognitivefunctions

    Emotions

    Personality &psychological

    status

    Physiologicchanges

    COGNITIVE FUNCTIONS

  • 7/28/2019 c Tests(Neuro)

    108/233

    COGNITIVE FUNCTIONS

    Attention SpanOrientationMemory & Concentration

    IntellectFlow of SpeechPerception

    CalculationsJudgment & Insight

    II VITAL SIGNS

  • 7/28/2019 c Tests(Neuro)

    109/233

    II.VITAL SIGNS

    Temperature

    Pulses in all ext

    Respiratory rate &Pattern

    Blood pressure

    III LEVEL OF CONSCIOUSNESS

  • 7/28/2019 c Tests(Neuro)

    110/233

    III. LEVEL OF CONSCIOUSNESS

    1.) FULL CONSCIOUSNESS Alert, oriented, comprehends spoken &written words.

    2.) CONFUSEDUnable to think rapidly & clearlyPoor Memory & Short attention span.

    3.) DISORIENTED

    Not aware or not oriented to time, place or person.

    CONT

  • 7/28/2019 c Tests(Neuro)

    111/233

    CONT.

    4.) OBTUNDEDLethargic, somnolent; responsive to verbalor tactile stimuli but quickly drifts back tosleep.

    5.) STUPORGenerally unresponsive; maybe brieflyaroused by vigorous, repeated, or painful

    stimuli; may shrink away from or grab @ thesource of stimuli.

  • 7/28/2019 c Tests(Neuro)

    112/233

  • 7/28/2019 c Tests(Neuro)

    113/233

  • 7/28/2019 c Tests(Neuro)

    114/233

    Glasgow Coma Scale

    Eye Opening

  • 7/28/2019 c Tests(Neuro)

    115/233

    Eye Opening4 - Spontaneous3 On Request2 To painful stimuli1 No eye opening

    Verbal Response

  • 7/28/2019 c Tests(Neuro)

    116/233

    Verbal Response5 Oriented to time , place and person.4 Engages in conversation, confused in

    content

    3 Words spoken but conversation notsustained.2 Groans on evoked pain1 No response even evoked with pain.

    Motor Response

  • 7/28/2019 c Tests(Neuro)

    117/233

    Motor Response6 Obeys command5 Localizes painful stimuli4 - Flexion Withdrawal3 Decortication2- Decerebration

    1 No response

  • 7/28/2019 c Tests(Neuro)

    118/233

  • 7/28/2019 c Tests(Neuro)

    119/233

  • 7/28/2019 c Tests(Neuro)

    120/233

    A score of 15 indicates client is awake and

    oriented.A score of 7 to 4 is considered coma.The lowest score is 3,client is considered in deepcoma.

    Assessment of Pupils

  • 7/28/2019 c Tests(Neuro)

    121/233

    Size: 1.5-2mm (2-3mm)Equality: isocuricReaction to light

    Unusual Eye movement

    p

    Assessment of Motor Function

  • 7/28/2019 c Tests(Neuro)

    122/233

    1.) Muscle Strength

    Interpretation:

    5/5: Normal Full Strength

    4/5: Muscle is able to move actively through thefull ROM against effect of gravity with

    weakness to applied resistance

    3/5: Muscle is able to move actively against theeffect of gravity alone

  • 7/28/2019 c Tests(Neuro)

    123/233

    2/5: Muscle is able to move across asurface but cannot overcomegravity

    1/5: Muscle contraction is palpable &visible; trace or flicker movt occurs

    0/5: Muscle contraction or movt isundetectable

  • 7/28/2019 c Tests(Neuro)

    124/233

    Apraxia - inability to perform finemotor activities.

    Agraphia inability to write

    2. Motor Function

  • 7/28/2019 c Tests(Neuro)

    125/233

    General Appearance uncoordinated movements andasymmetry of face.

    Muscle Power Weakness ( paresis )

    Paralesis (plegia )

    CRANIAL SURGERY

  • 7/28/2019 c Tests(Neuro)

    126/233

    CraniectomyExcision of the cranial bone without replacingit.

    Burr hole- A small hole 12 mm less, used for decompression, evacuation of clot, draining,abscess, insertion of ICP monitor.

    Craniotomy An opening to the craniumDrilling 3-six holes and then cutting.

    Approaches of Surgery

  • 7/28/2019 c Tests(Neuro)

    127/233

    Supratentorial- above the double foldsof dura, provide access to the frontal,temporal, parietal, and occipital lobes.

    Head of the bed elevated . gravity will cause displacement of

    remaining tissue into empty space. Headelevation approximates normal ICP.

  • 7/28/2019 c Tests(Neuro)

    128/233

    INCREASED INTRACRANIAL PRESSURE

  • 7/28/2019 c Tests(Neuro)

    129/233

    an intracranial hypertension associated with altered states of consciousness

    Normal ICP: 5-15 mmHg/10-20mmHg

    The brain requires 60-150 mmHg of

  • 7/28/2019 c Tests(Neuro)

    130/233

    Cerebral perfusion pressure for

    adequate function .

  • 7/28/2019 c Tests(Neuro)

    131/233

    Autoregulation: the manner in which

    the brain protects itself frominadequate blood flow. If the ICP willincrease the MAP will increaselikewise to increase CP. This action iscalled CUSHING REFLEX.

  • 7/28/2019 c Tests(Neuro)

    132/233

    Monroe Kelly Hypothesis states thatbecause of the limited space forexpansion within the skull, anincrease in any of the components

    causes a change in the volume of others.

  • 7/28/2019 c Tests(Neuro)

    133/233

  • 7/28/2019 c Tests(Neuro)

    134/233

    Head injuryIntracranial Bleeding

    HydrocephalusEdema from surgery

  • 7/28/2019 c Tests(Neuro)

    135/233

    Compensatory Mechanism

  • 7/28/2019 c Tests(Neuro)

    136/233

    1.) Displacement

    2.) Reduction of blood volume

  • 7/28/2019 c Tests(Neuro)

    137/233

    Deterioration of LOC: due to reduced

  • 7/28/2019 c Tests(Neuro)

    138/233

    Deterioration of LOC: due to reducedoxygen supply to the brain.

    Unisocuric: due to varying pressureupon CN III.

    Vomiting: occurring from pressure in thebrainstem

    Seizure

    Cushings triad

  • 7/28/2019 c Tests(Neuro)

    139/233

    Increased SBP: results from ischemia of the vasomotor center , which thenreleases a general sympathetic

    discharge.

    Bradycardia: because heart is trying to

  • 7/28/2019 c Tests(Neuro)

    140/233

    to pump blood into cerebral vessel with

    extreme high resistance.

    Hyperthermia: results from hypothalamicdysfunction but may be due to infection.

    C shings lcer

  • 7/28/2019 c Tests(Neuro)

    141/233

    Cushings ulcer

    - result from hypothalamic stimulationfro ICP with resulting vagal activation.The ulcers results from increasedserum gastrin levels, which stimulateshypersecretion of HLC acid.

    Management

  • 7/28/2019 c Tests(Neuro)

    142/233

    1. Surgery: removal of the cause, or decompression.2. Fluid restriction: kept slightlydehydrated to reduce ICP, 800 ml/dayonly.3. Positioning: Head elevation- toassist on venous return fromintracranial circulation and preventfurther congestion.

  • 7/28/2019 c Tests(Neuro)

    143/233

    4: Meds:MannitolCortecosteroids( dexamethasone)- iseffective in reducing vasogenicedema

    AntacidStool softener( docusate sodium:colace)- to prevent straining

    Acetaminophen: reduce temperature

  • 7/28/2019 c Tests(Neuro)

    144/233

    Acetaminophen: reduce temperatureof the client.

    Chlorpromazine-if hypothermia is

    needed to prevent shivering.

    No antihypertensive if the cause is

    cushings response to IICP.

    Nursing Mgt:

  • 7/28/2019 c Tests(Neuro)

    145/233

    Goal: To

    decrease ICP

    VS & NVS monitoringElevate head of bed 30-40

    Avoid Trendelenburg positionPrevent flexion of the knee & hipsMonitor respiratory statusMaintain body temp

    Avoid shiveringDecrease environmental stimuli

    Avoid valsalva maneuver

  • 7/28/2019 c Tests(Neuro)

    146/233

    Etiology

  • 7/28/2019 c Tests(Neuro)

    147/233

    ETIOLOGY:Pathologically acquired epilepsy-cerebral birth injuries, CNS infections,high fever, trauma, tumors.Idiopathic

  • 7/28/2019 c Tests(Neuro)

    148/233

    Biochemical epilepsy: alcohol ingestion,drug overdose, metabolic disorders,electrolyte imbalances.

    Posttraumatic : results from cerebraltrauma.

    Clinical Findings: TYPES OFSEIZURE

  • 7/28/2019 c Tests(Neuro)

    149/233

    S U

    I. PARTIAL SEIZURE1.) SIMPLE-PARTIAL

    Originate in the motor cortex of the frontallobe.

    2. ) COMPLEX-PARTIAL Originate in the temporal lobe and limbic

    system

    II. Generalized Seizure

  • 7/28/2019 c Tests(Neuro)

    150/233

    1.) GRANDMAL SEIZUREBegins with an Aura 2 phases:

    TONIC- muscular rigidity/

    extension of extremitiesCLONIC- muscular jerking.

    Post-ictal sleep

    It would last for 2 minutes

  • 7/28/2019 c Tests(Neuro)

    151/233

    It would last for 2 minutes

    The patient is is generally in deepsleep, confused and lethargic.

  • 7/28/2019 c Tests(Neuro)

    152/233

  • 7/28/2019 c Tests(Neuro)

    153/233

  • 7/28/2019 c Tests(Neuro)

    154/233

    3.) MYOCLONICInvolve a sudden uncontrollable jerkingmovements of either a single musclegroup.

    4.) ATONIC Associated with total loss of muscletone. Will cause the person to dropsuddenly to the floor.

    TREATMENT

  • 7/28/2019 c Tests(Neuro)

    155/233

    Medications:Phenytoin- the drug of choicePhenobarbitalCarbamazepine- when seizure is notcontrolled by phenytoin.Ethosuximide( Zarontin)- drug of choicefor Absence seizure

    Valproic acid (Depakene)Diazepam

  • 7/28/2019 c Tests(Neuro)

    156/233

    Provide oxygen

  • 7/28/2019 c Tests(Neuro)

    157/233

    patient may become hypoxic

    turn to side when possible this positions allow secretions to drain

    Remove pillow and top sheets

    elevation of head in the pillow may blockthe airway.Do not restraint

    resistance against strong muscle

    contraction may cause injury.Reorient the client.

  • 7/28/2019 c Tests(Neuro)

    158/233

    Complication:STATUS EPILEPTICUS- continuous

    seizure lasting for more than 30minutes without full recovery inbetween.

    TRIGEMINAL NEURALGIA

  • 7/28/2019 c Tests(Neuro)

    159/233

    IdiopathicCN 5 disorder characterized by pain alongone or more branches of the CN 5.

    ( Maxilary, ophthalmic, mandibular)Classic Finding: intense, lightning-like painin paroxysms about hundred times daily.Trigger zone; cold breeze, talking or chewing.

    CN V (Trigeminal Nerve)

  • 7/28/2019 c Tests(Neuro)

    160/233

    Treatment:C b i ( l) li f f

  • 7/28/2019 c Tests(Neuro)

    161/233

    Carbamazepine(tegretol)- relief from

    paroxysm of pain:Nerve block for 8-16 monthsPercutaneous radiofrequency rhizotomy-heat controlled electrocoagulation of thepain fibers without compromising touchsensation and motor control.

  • 7/28/2019 c Tests(Neuro)

    162/233

    Avoid food and beverages of extremetemperatureChew on unaffected side

    Oral care

    BRAIN ATTACKS (STROKE)

  • 7/28/2019 c Tests(Neuro)

    163/233

    Is a syndrome of a group of suddenfocal neurological deficit resultingfrom interruption

    Major Predisposing factors

    http://www.ucalgary.ca/UofC/Others/CAN/frames.html
  • 7/28/2019 c Tests(Neuro)

    164/233

    Atherosclerosis- thickens the intimallayer of arteries over a period of 20-30 years.

    - Cerebral vessel have a thinner intima with less elasticity thanextracranial vessel and are severely

    affected by atherosclerotic changes.

    Emboli- Aggregate of platelets at an

  • 7/28/2019 c Tests(Neuro)

    165/233

    Emboli Aggregate of platelets at an

    atheromatous site such as carotidartery.

    Arrhytmias

    Hypertension

  • 7/28/2019 c Tests(Neuro)

    166/233

    Intracranial hemorrhageDM

    Polycythemia- causes increased

  • 7/28/2019 c Tests(Neuro)

    167/233

    y yblood viscosity.

    Classification of Brain Attacks:

  • 7/28/2019 c Tests(Neuro)

    168/233

    Classification of Brain Attacks:

    Ischemic (emboli, Thrombus)Hemorrhagic

    Pathophysiology

  • 7/28/2019 c Tests(Neuro)

    169/233

    An abrupt interruption of circulationfro 4-8 minutes will producepermanent brain damage, because

    neurons are unable to regenerate.

    When circulation to an area isimpaired gradually collateral

  • 7/28/2019 c Tests(Neuro)

    170/233

    impaired gradually, collateral

    circulation is often able to developand maintain an adequate supply of blood to that area of the brain.

    Once infarction occurs, the damage is

  • 7/28/2019 c Tests(Neuro)

    171/233

    girreversible. Cellular death occur within 5 minutes. Symptoms such asLOC occurs when oxygen isinterrupted fro 10 seconds butirreversible when circulation isreestablished.

    TIME COURSE CLASSIFICATION

    1 TRANSIENT ISCHEMIC

  • 7/28/2019 c Tests(Neuro)

    172/233

    1. TRANSIENT ISCHEMIC

    ATTACK

    2. REVERSIBLE ISCHEMIC

    NEUROLOGIC DEFICIT

    3. STROKE IN EVOLUTION

    4. COMPLETED STROKE

    A.) TRANSIENT ISCHEMIC ATTACK

  • 7/28/2019 c Tests(Neuro)

    173/233

    Are sudden, brief,episode of neurologicdysfunction caused

    by temporary, focalcerebral ischemia

  • 7/28/2019 c Tests(Neuro)

    174/233

    Usually last for 5-30 minutes andoccasionally up to 24 hours but never longer.

    B.) REVERSIBLE ISCHEMIC NEUROLOGIC

    DEFICIT (RIND)

  • 7/28/2019 c Tests(Neuro)

    175/233

    Signs andsymptoms areconsistent with butmore pronounced

    than TIAs

    Also c lled s sm ll stroke s me s

  • 7/28/2019 c Tests(Neuro)

    176/233

    Also called as small stroke, same asTIA but the signs persist for longer than 24 hours.

    c.) STROKE IN EVOLUTION

  • 7/28/2019 c Tests(Neuro)

    177/233

    Worsening of neurologic signsand symptomsover several

    minutes or hours.This is aprogressing stroke.

  • 7/28/2019 c Tests(Neuro)

    178/233

    Generally, large artery disease exists.

    4.) COMPLETED STROKE

  • 7/28/2019 c Tests(Neuro)

    179/233

    Stabilization of theneurologic sign andsymptoms

    Thrombotic stroke occurs during sleep

  • 7/28/2019 c Tests(Neuro)

    180/233

    Thrombotic stroke occurs during sleep.

    Embolic stroke occurs suddenly during

    waking activities.

    Left Hemisphere Right Hemisphere

    Aphasia Spatial percept al deficits

  • 7/28/2019 c Tests(Neuro)

    181/233

    Aphasia

    Agraphia (loss of ability towrite) Alexia (Loss of ability toread, word blindness) Acalculia Dysarthria Hemiplegia Homonymous hemianopsia Short-term memory Depression frustration

    Spatial-perceptual deficits

    Lack of inhibitions Inappropriate social

    behavior Short attention span Poor judgment Hemiplegia Hemiparesis Anosognosia (Denial of

    affected Side) Apraxia (Inability to use

    objects or words)

    Medical Management

  • 7/28/2019 c Tests(Neuro)

    182/233

    Prevention of strokePrevention of recurrenceImmediate brain resuscitation

    Stabilization and Rehabilitation

    Medications

  • 7/28/2019 c Tests(Neuro)

    183/233

    Antihypertensive- used to graduallyreducing the hypertension so thatcerebral infarction does not occur

    from inadequate CP because of decreasing Bp rapidly.The immediate elevation of BP after infarct is a compensatory mechanismand is not treated.

    Platelet Aggregant

  • 7/28/2019 c Tests(Neuro)

    184/233

    Aspirin

    AnticoagulantHeparinWarfarin

    Thrombolyticsurokinase- convert plasminogen to

  • 7/28/2019 c Tests(Neuro)

    185/233

    urokinase convert plasminogen to

    plasmin, which lysis fibrin and releasesfibrin degeneration which inhibits clotformation.

    Calcium channel blockers-due tocell death secondary to ischemiarelated to calcium influx.MannitolDexamethasone

    Nursing Care

  • 7/28/2019 c Tests(Neuro)

    186/233

    Positioning;MHBRPatent airway-to prevent hypoxiaOxygen Admin

    Suctioning

    Guillain-Barr syndrome

  • 7/28/2019 c Tests(Neuro)

    187/233

    Is an autoimmune neuromuscular disorder in which there is chronic,progressive decreased amplitude of

    the nerve impulse at the myoneural junction.

    an autoimmune disorder affecting the

  • 7/28/2019 c Tests(Neuro)

    188/233

    an autoimmune disorder affecting theperipheral nervous system, usuallytriggered by an acute infectious process.

  • 7/28/2019 c Tests(Neuro)

    189/233

    Signs and Symptoms

  • 7/28/2019 c Tests(Neuro)

    190/233

    Bilateral weakness or tingling in thelegs.Loss of reflexes

    ParalysisMuscle weakness on both sides of the body in the legs, arms, and face.

    Difficulty speaking, chewing, andswallowing.

  • 7/28/2019 c Tests(Neuro)

    191/233

    Inability to move the eyes.Back pain.Horners syndrome - ipsilateral ptosis

    due to sympathetic damage

    Diagnosis

  • 7/28/2019 c Tests(Neuro)

    192/233

    CSF ANALYSIS As opposed to infectious causes, thisis an elevated protein level (100 -1000 mg/dL).PA

    Nerve conduction velocity (NCV) test

  • 7/28/2019 c Tests(Neuro)

    193/233

    Nerve conduction velocity (NCV) test can figure out how well nerves are sendingsignals down to the arms and legs.

    Treatment

  • 7/28/2019 c Tests(Neuro)

    194/233

    Supportive careEarly intubationhigh-dose intravenous

    immunoglobulin (IVIg)GlucocorticoidsPlasmapheresis

  • 7/28/2019 c Tests(Neuro)

    195/233

  • 7/28/2019 c Tests(Neuro)

    196/233

    Analgesics AntibioticsChest physiotherapy

    Suctioning

    Prognosis

  • 7/28/2019 c Tests(Neuro)

    197/233

    80% of patients have a completerecovery within a few months to ayear

    20 50 years

  • 7/28/2019 c Tests(Neuro)

    198/233

    20-50 years Female>male Impaired transmission of nerveimpulse to muscle cells

    possibly because of acetylcholinedeficiency

    Pathophysiology

  • 7/28/2019 c Tests(Neuro)

    199/233

    Normally: Acetylcholine attach to receptor

    sites.

    Contraction

    Myasthenia Gravis:

  • 7/28/2019 c Tests(Neuro)

    200/233

    Impaired transmission of impulses.

    Decrease receptor for stimulation

    Muscle weakness

  • 7/28/2019 c Tests(Neuro)

    201/233

    Signs and symptomsMuscle weakness

  • 7/28/2019 c Tests(Neuro)

    202/233

    FatiguePtosisSnarl smileMass like faceDroolingRespiratory difficulty

    Thymus gland enlargement (antibodyproduction).

    MedicationsNeostigmine Pyridostigmine

  • 7/28/2019 c Tests(Neuro)

    203/233

    Neostigmine , PyridostigminePrednisoneThymectomy

    http://en.wikipedia.org/wiki/File:Myasthenia.jpg
  • 7/28/2019 c Tests(Neuro)

    204/233

    http://en.wikipedia.org/wiki/File:Myasthenia.jpg
  • 7/28/2019 c Tests(Neuro)

    205/233

    DiagnosisEdrophonium chloride

  • 7/28/2019 c Tests(Neuro)

    206/233

    (Tensilon Test).

    (+) increase muscle strength.

    It is important that pt does not know themeds.Administer 2mg IV one at a time = 10 mg

    Ptosis and facial weakness must be solvedin 5 min.

    Myasthenic Crisis Cholinergic CrisisCaused by under medication.

    Caused byovermedication. Extreme

  • 7/28/2019 c Tests(Neuro)

    207/233

    Extreme weakness.Relieved by Tensilon Test.Managed by cholinergics

    weakness.Worsens by Tensilon Test.Managed byanticholinergics (atropine)

    Stop the medication

  • 7/28/2019 c Tests(Neuro)

    208/233

    Steroids (dec. antibody production)

  • 7/28/2019 c Tests(Neuro)

    209/233

    Thymectomy Assess gag/swallowing reflex Administer meds on time. (resp. arrest).

    Protect from falls. Adequate ventilation.

    Avoid Drugs

    Muscle Relaxant

  • 7/28/2019 c Tests(Neuro)

    210/233

    Muscle RelaxantBarbiturates

    Morphine

    Tranquilizer Neomycin

    Increases weakness

    Survival Guide

    Secure handicapped sticker

  • 7/28/2019 c Tests(Neuro)

    211/233

    Secure handicapped sticker.Frequent restTake meds on time (alarm clock)

    BELLS PALSY

  • 7/28/2019 c Tests(Neuro)

    212/233

    Is a sudden loss of motor control onone side of the face.Causing flaccid paralysis of facial

    muscles, loss of taste.

    Occurs in 20-60 years old

  • 7/28/2019 c Tests(Neuro)

    213/233

    Inflammation, capillary damage, andischemia develops and nerve

    degeneration may result

  • 7/28/2019 c Tests(Neuro)

    214/233

    Due to GBS, viral infection, genetics,s/sx: pain behind the ear 1-2 daysprior to paralysis, unable to smile,

    frown, close eyelids, puff out cheeks,close the lips.

    TX: Steroids for 7 days Analgesics

  • 7/28/2019 c Tests(Neuro)

    215/233

    gWarm or moist applicationElectrical nerve stimulation to preventfacial sagging and stimulate muscle

    tone.

    Chew on unaffected side

  • 7/28/2019 c Tests(Neuro)

    216/233

    Oral care Artificial tear

    Soft diet

  • 7/28/2019 c Tests(Neuro)

    217/233

    Myasthenia Gravis

    HEADACHE

  • 7/28/2019 c Tests(Neuro)

    218/233

    Classification & Etiology:

    1.) TENSION HEADACHE

    results from muscle contraction

    describe as a tight band-like discomfort that isunrelenting; with few h/a free intervals

    d/t fatigue/stress

    2.) CLUSTER HEADACHE have cyclical pattern of 1-3 short-

    lived attacks of periorbital pain

  • 7/28/2019 c Tests(Neuro)

    219/233

    lived attacks of periorbital pain

    occurs more often in men

    triggered by ROH consumption

    pain described as deep, boring,intense pain of such severity that

    the client has difficulty remainingstill

    3.) MIGRAINE HEADACHE

    considered as vascular h/a vasospasm

  • 7/28/2019 c Tests(Neuro)

    220/233

    -considered as vascular h/a , vasospasm& ischemia of intracranial vessel being thecause of pain

    h/a is most often unilateral, but pain mayoccur on alternate sides with differentattack

    Etiology: IdiopathicPATHOPHYSIOLOGY:

  • 7/28/2019 c Tests(Neuro)

    221/233

    Menstrual Cycle Stress Depression Sleep Deprivation Fatigue Overuse of Meds Tyramine-rich foods

    Dysfunction of brainstem pathway

    Abnormal metabolism of serotonin

    Increase plasma serotonin level

    Dilates cerebral blood vessel

    4 Phases of Migraine:

  • 7/28/2019 c Tests(Neuro)

    222/233

    Prodrome

    Aura

    Headache phase

    Recovery Phase

    4.) Lumbar Puncture H/Aloss of CSF volume with LP

  • 7/28/2019 c Tests(Neuro)

    223/233

    decreases the brain supportivecushion

    5.)Post Concussion H/Aafter seemingly trivial head injuries &particularly after rear-end motor

    Vehicle collisions

    NURSING MANAGEMENT

  • 7/28/2019 c Tests(Neuro)

    224/233

    M -I -

    G -

    R -

    A -

    I -

    N -

    E -

    Seizure Disorder

  • 7/28/2019 c Tests(Neuro)

    225/233

    is a sudden, abnormal electrical discharge from the brain that results in changes in sensation,behavior, movts, perception or consciousness

    Epilepsy Greek word. epilepsia seizure

    - is a chronic disorder of recurrent

    seizure.

    Status Epilepticus

  • 7/28/2019 c Tests(Neuro)

    226/233

    involves rapid succession of epileptic spasm without intervalof consciousness

    Etiology: Idiopathic

  • 7/28/2019 c Tests(Neuro)

    227/233

    Severe penetrating trauma Tumor Infection

    Circulatory & metabolic disorders Toxicity Brain surgery Hypoglycemia

    STROKE

  • 7/28/2019 c Tests(Neuro)

    228/233

    TIME COURSE CLASSIFICATION

    1. TRANSIENT ISCHEMIC

  • 7/28/2019 c Tests(Neuro)

    229/233

    ATTACK

    2. REVERSIBLE ISCHEMICNEUROLOGIC DEFICIT

    3. STROKE IN EVOLUTION

    4. COMPLETED STROKE

    A.) TRANSIENT ISCHEMIC ATTACK

    Are sudden, brief,

  • 7/28/2019 c Tests(Neuro)

    230/233

    , ,episode of neurologicdysfunction causedby temporary, focal

    cerebral ischemia

    B.) REVERSIBLE ISCHEMICNEUROLOGIC DEFICIT

    Signs and symptoms

    http://www.ucalgary.ca/UofC/Others/CAN/frames.html
  • 7/28/2019 c Tests(Neuro)

    231/233

    g y pare consistent withbut more pronouncedthan TIAs

    c.) STROKE IN EVOLUTION

    Worsening of

  • 7/28/2019 c Tests(Neuro)

    232/233

    gneurologic signs andsymptoms over several minutes or

    hours. This is aprogressing stroke.

    4.) COMPLETED STROKE

    Stabilization of the

  • 7/28/2019 c Tests(Neuro)

    233/233

    neurologic sign andsymptoms


Recommended