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Pathology | Nurse Practitioner (NP) School Study Aid
Anterior Cerebral Artery
- Contralateral paralysis of lower limb
- Contralateral loss of sensation in lower limb
1 min
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
1 min
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
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
2 mins
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
3 mins
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
1 min
Increased Intracranial Pressure (ICP) Assessment
- Change in LOC
- Headache
- Cushings Triad
- Irregular Respirations
- Widening Pulse Pressure
- Bradycardia
- Projectile Vomiting
- Abnormal Pupils
- Papilledema
- Posturing
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
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
3 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
2 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
- Abusive Head Trauma (Shaken Baby Syndrome)
2 mins
Left Hemisphere Stroke Assessment
- Opposite Side Weakness (Hemiplegia)
- Side to Side Discrimination
- Aphasia
- Agraphia
- Slow Performance
- Aware of Deficits
- Anxiety
- Depression
2 mins
Hydrocephalus
- Cause
- Increased CSF in Ventricles of Brain
- Assessment
- Signs of Increased ICP
- Infant Assessment
- High Pitched Cry
- Irritability
- Opisthotonus
- Increased Head Circumference
- Bulging Fontanel
- Setting Sun Sign
- Interventions
- Seizure Precautions
- Elevate HOB
- CSF Shunt
2 mins
Basilar Artery Stroke Assessment
- Characteristics
- Brainstem Structures
- Lateral Corticospinal and Corticobulbar Tracts
- Clinical Findings
- Locked-in Syndrome
- Motor Dysfunction
- Preserved Vertical Eye Movements
2 mins
Hydrocephalus Types
- Characteristics
- Cerebrospinal Fluid Accumulation
- Types
- Communicating Hydrocephalus
- Noncommunicating Hydrocephalus
- Variants
- Normal Pressure Hydrocephalus
- Hydrocephalus Ex Vacuo
3 mins
Anterior Inferior Cerebellar Artery Stroke Assessment
- Characteristics
- Anterior Inferior Cerebellar Artery
- Lateral Pontine Syndrome
- Ipsilateral Clinical Findings
- Decreased Facial Pain and Temperature Sensation
- Facial Muscle Weakness
- Decreased Taste from Anterior 2/3 of Tongue
- Deceased Salivation and Lacrimation
- Nystagmus and Hearing Loss
- Horner Syndrome
- Ataxia
- Contralateral Clinical Findings
- Decreased Body Pain and Temperature Sensation
3 mins
Histologic Evolution of Ischemic Stroke
- > 5 Minutes
- Irreversible Neuronal Injury
- 12-24 hours
- Red Neurons
- 1-3 days
- Liquefactive Necrosis (Neutrophils)
- 3–5 Days
- Microglia
- 1-2 Weeks
- Reactive Gliosis (Astrocytes)
- Vascular Proliferation
- > 2 weeks
- Glial Scar
2 mins
Lesions of the Brain and Presentations
- Lesions of the Brain and Presentations
- Frontal Lobe
- Parietal Lobe
- Temporal Lobe
- Occipital Lobe
- Brainstem
- Cerebellum
- Main TBI Lesions
- Epidural Hematoma
- Subdural Hematoma
- Contusion/ Parenchymal Hemorrhage
- Intraventricular Hematoma
- Subarachnoid Hemorrhage
- Diffuse Axonal Injury
3 mins
Concussion
- Cause
- Brain Trauma
- Pathophysiology
- Neurometabolic Cascade
- Signs & Symptoms
- Visual Disturbances
- Cognitive Dysfunction
- Sleep Disturbances
- Emotional Instability
- Diagnosis
- Sport Concussion Assessment Tool 5th Edition (SCAT5)
- Diagnostic Imaging
- Treatment
- Physical and Cognitive Rest
- Monitored Exercise
- Vestibular Rehabilitation
- Considerations
- Second Impact Syndrome
4 mins
Aphasia Post Stroke
- Causes
- Cerebrovascular Accident
- Non-Fluent Aphasia
- Broca’s Aphasia
- Fluent Aphasia
- Wernicke’s Aphasia
- Other Types of Aphasia
- Global Aphasia
- Conduction Aphasia
- Verbal Apraxia
- Dysarthria
- Diagnosis
- Cerebral Angiography
- Computed Tomography
- Magnetic Resonance Imaging (MRI)
- Intervention
- Simple Short Sentences
- Visual and Tactile Cues
- Speech Therapy
4 mins
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