Michelle Shared "neuro" - 56 Picmonics

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neuro

Multiple Sclerosis Features and Mechanisms
Features
Twice as often in Women
Presents in 20's and 30's
Northern Europeans
Mechanism
Unknown mechanism, genetic factor
HLA-DRB1
Autoimmune Demyelination of CNS
White Matter of Brain and Spinal Cord
T Cell Mediated Inflammation
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2 mins
Multiple Sclerosis Symptoms and Diagnosis
Symptoms
Optic Neuritis
Internuclear Ophthalmoplegia
Scanning Speech
Urinary and Fecal Incontinence
Motor Issues (Intention Tremor, Paresis)
Numbness and Pain
Depression
Relapsing Symptoms
Diagnosis
Gold Standard = Plaques on MRI
Increased CSF Immunoglobulins (IgG)
Oligoclonal Bands
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4 mins
Multiple Sclerosis Interventions
Drug Therapy
Corticosteroids
Interferon Beta
Dimethyl Fumarate (Tecfidera)
Fingolimod (Gilenya)
Mitoxantrone (Novantrone)
Natalizumab (Tysabri)
Considerations
Increase Exercise
Identify Triggers
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2 mins
Guillain-Barre Syndrome Assessment
Assessment
Ascending Paralysis
Muscle Weakness
Paresthesias (Pins and Needles)
Diplopia
Difficulty Speaking
Dysphagia
Labile Blood Pressure
Loss of Bowel and Bladder Control
Considerations
Aggressive Airway Management
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2 mins
Lambert-Eaton Syndrome
Mechanism
Autoantibody to the Presynaptic Calcium Channel on Motor Neurons
Inhibits Acetylcholine (ACh) Release at Neuromuscular Junction
Paraneoplastic Syndrome
Small Cell Lung Cancer
Symptoms
Proximal Muscle Weakness
Improves with Muscle Use
Autonomic Symptoms
Extraocular Muscle Sparing
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2 mins
Autonomic Dysreflexia
Injury Above T6
Assessment
Paroxysmal Hypertension
Bradycardia
Diaphoresis
Flushing Above Lesion
Piloerection
Nasal Congestion
Headache
Interventions
Elevate Head of Bed
Remove Noxious Stimuli
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2 mins
Types of Strokes
Warning Signs
Transient Ischemic Attack (TIA)
Reversible Ischemic Neurologic Deficit (RIND)
Types
Ischemic
Thrombotic
Atherosclerosis
Embolic
Atrial Fibrillation
Hemorrhagic
Severe Hypertension
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3 mins
Left Hemisphere Stroke Assessment
Opposite Side Weakness (Hemiplegia)
Side to Side Discrimination
Aphasia
Agraphia
Slow Performance
Aware of Deficits
Anxiety
Depression
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2 mins
Right Hemisphere Stroke Assessment
Opposite Side Weakness (Hemiplegia)
Poor Proprioception
Disoriented to Person, Place, Time
Can't Recognize Faces (Prosopagnosia)
Loss of Judgement and Awareness
Impulsiveness
Personality Changes
Tonal Hearing Loss
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2 mins
Middle Cerebral Artery
Contralateral paralysis upper limb and face
Contralateral loss of sensation of upper limb and face
Affects Wernicke's area and Broca's area
Aphasia if Lesion in Dominant (Left) Hemisphere
Hemineglect if lesion in nondominant (right) hemisphere
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1 min
Anterior Cerebral Artery
Contralateral paralysis of lower limb
Contralateral loss of sensation in lower limb
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1 min
Epidural Hematoma
Mechanism
Middle Meningeal Artery Rupture
Temporal Bone Fracture
Hematoma Between Skull And Dura Mater
Transtentorial Herniation
Lucid Interval
Imaging
Lens-shaped on CT
Does Not Cross Suture Lines
Treatment
Craniotomy
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1 min
Subarachnoid Hemorrhage
Bleeding into Subarachnoid Space
Mechanisms
Trauma
Aneurysm Rupture
AVM Rupture
Vasospasm causes Ischemia
Signs & Symptoms
"Worst Headache Of My Life"
Diagnosis
Noncontrast Head CT
Lumbar Puncture
Angiography
Considerations
Surgery
Blood Pressure Control
Intracranial Pressure Control
Nimodipine for Vasospasm Prophylaxis
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3 mins
Subdural Hematoma
Mechanism
Tear of Bridging Veins
Slow Bleeding, Over Time
Imaging
Subdural Space
Crescent-shaped on CT
Crosses Suture Lines
Midline Shift
Causes
Elderly
Whiplash
Shaken Baby Syndrome
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2 mins
Traumatic Brain Injury Assessment
Assessment
Change in LOC
Personality Changes
Amnesia
Increased Intracranial Pressure
Diplopia
Posturing
Location of Injury
Basilar Skull Fracture
Halo or Ring Sign
Considerations
Intracranial Bleeding
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2 mins
Increased Intracranial Pressure (ICP) Assessment
Change in LOC
Headache
Cushings Triad
Irregular Respirations
Widening Pulse Pressure
Bradycardia
Projectile Vomiting
Abnormal Pupils
Papilledema
Posturing
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2 mins
Increased Intracranial Pressure (ICP) Interventions
Interventions
Elevate Head Of Bed
Foley Catheter
Mannitol (Osmitrol)
High Dose Barbiturates
Passive Hyperventilation
Dexamethasone (Neoplasm or Infection)
Considerations
Neuro Assessment
Maintain Normal Temperature
Avoid Activities That Increase ICP
Intracranial Monitoring System
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2 mins
Types of Head Injuries
Open Head Injury
Linear Fracture
Comminuted Fracture
Depressed Fracture
Open Fracture
Basilar Skull Fracture
Closed Head Injury
Coup and Contrecoup
Brain Contusion
Concussion
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2 mins
Circle of Willis
Characteristics
Anterior Cerebral Artery (ACA) Supplies Motor/Sensory Parts of the Cortex for Lower Extremities
Anterior Communicating Artery (Acomm) Connects ACA to ACA
Internal Carotid Arteries (ICA)
Middle Cerebral Arteries (MCA) Supply Cortex for Upper Limbs and Face
Posterior Communicating Artery (Pcomm) Connects ICA to PCA
Posterior Cerebral Arteries (PCA) Supply Occipital Cortex
Basilar Artery Supplies Medulla, Pons, and PCA
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3 mins
Myasthenia Gravis
Mechanism
Antibodies to Acetylcholine Receptor
Symptoms
Ptosis
Diplopia
Weakness with Muscle Use
Respiratory Death
Thymus Associated
Treatment
Acetylcholinesterase Inhibitors
Plasmapheresis
Thymectomy
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1 min

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