Neurology Practice Test (Thanks LT McManus) – Flashcards

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question
32yo male presents with complaint of recurring bouts of pain with lancinating pain to the left cheek and jaw. Eating, light touch, and even drafts severely worsen his pain. What do you suspect?
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Trigeminal Neuralgia (Tic douloureaux)
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What medications would you subscribe to him?
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Baclofen, crabemazepine, phenytoin
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72yo female presents complaining of scalp tenderness as well as jaw pain and stiffness with chewing. What condition do you suspect?
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Giant Cell Arteritis
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What would confirm your diagnosis?
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Biopsy of temoral artery
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What would be your treatment?
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Prednisone
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What is the risk if left untreated?
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Blindness
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Patient is brought in by family to the ER. They stated the patient is suffering from confusion and cognition issues. Denies N/V/D. Family states he's been complaining of a headache over the last day. Vitals show BP 113/72, HR 89, RR 14, Temp 100.7. He has weakness on the left side of the body and difficulty walking. What do you suspect?
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Encephalitis
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What organism is most likely?
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HSV
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What would you expect the LP to show?
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Normal to slightly increased protein with normal glucose.
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What is the timeframe and medication used to tx?
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Acyclovir within 60 minutes
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16yo male brought in C/O fever and chills. Has some neck stiffness and difficulty maintaining open eyes under bright light. You note a purpuric rash on his lower extremities. What is the triad associated with this disorder.
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Fever, AMS, Nuchal Rigidity
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What tests would confirm your diagnosis?
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Brudzinkis and Kernigs
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What is the likely causative organism? What is most common causative organism?
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N. meningitides. S. pneumonia
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What is your treatment and timeframe?
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Rocephin and Vancomycin within 60 minutes
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33yo pregnant female presents to your clinic complaining of her legs itching. Upon further questioning you note that it keeps her up at night and makes falling asleep difficult. It gets better when she gets up and walks around the house a bit. What do you suspect?
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Restless Leg Syndrome
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What treatment would you begin?
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Benzos, Gabapentin, Opiates, Dopamine agonists
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What are some risk factors?
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Iron deficiency anemia, folate deficiency, celiac, rheumatoid arthritis, Parkinson's, varicose veins, thyroid disease...
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A husband accompanies his 37yo wife to the appointment. She complains she's been dropping items and having difficulty picking her sewing items. Upon further questioning her husband claims she's seemed not herself lately. She's been snapping at him for things that would not normally anger her. She's also been forgetting appointments which is very unlike her. What do you suspect?
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Huntington's Disease
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What neurotransmitter excess if responsible for this disease?
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Dopamine
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What areas of the brain are atrophied on CT/MRI?
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Caudate and Cerebral cortex.
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What classes of medications can be used to treat?
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Benzos, SSRIs, Dopamine blockers, Dopamine depletors (Reserpine)
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EMS brings in a 25yo male following an MVA in which he was thrown through the windshield head first. He is unable to recall Purple, Tree, Square after 30 seconds. What memory is affected?
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Working
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What lobe do you suspect has been injured?
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Parietal
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You're following up on a 25yo male 5 days S/P pituitary resection. When speaking with him you realize he is unable to tell you what he had for breakfast. What memory do you suspect has been affected?
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Episodic
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What area of the brain do you think has been affected?
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Hippocampus
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What other type of patient would be at risk for this?
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Alcoholic-thiamine deficiency
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EMS brings in a 25yo male following an MVA in which he was t-boned and hit the side of his head on the passenger side window. What area of the brain are you concerned about and what memory is this affected?
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Temporal and frontal lobe, Lasting memory
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54yo male brought into the ER by EMS after found wandering I-10. He is actively confused. You watch him walk and note an unsteady gait. He has nystagmus. He is unable to recall what he had for breakfast. What condition do you suspect and what is the underlying cause?
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Wernicke's encephalopathy, thiamine deficiency
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How do you treat?
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Thiamine replacement
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What is complications of untreated?
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Korsakoff Syndrome
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35yo woman presents to your clinic S/P 2 months following Gastric Bypass. Routine labs show pernicious anemia. What other symptoms would you expect?
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Confusion, dementia, hallucinations, weakness
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What would you treat her with?
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Monthly B12 injections
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You're doing a routine examination on a coma patient in the ICU. You turn their head side to side and note that the eyes do not remain looking forward. What is this test called and what is your interpretation?
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Oculocephalic reflex, brain stem deat
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In what test is cold or warm water inserted into the external auditory canal. What are the interpretations and results?
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COWS (cold opposite, warm same) indicates brainstem function.
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46yo male presents with to your clinic. He has trouble initiating his sentences and putting together a sentence. He expresses frustration in his inability to get his thoughts out. What type of aphasia is he presenting?
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Broca's aphasia
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46yo male presents with to your clinic. He has a free flowing sentence but it does not make sense. He expresses no frustration in his inability communicate. What type of aphasia is he presenting?
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Wernicke's aphasia
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A 28yo female presents to your clinic with medical hx significant medical history to include migraines. She has not had an attack in several years now. She has a new headache today that differs from her typical headaches. What do you suspect?
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Rebound headache from overuse of caffeine containing medications.
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A 40yo woman presents to the ER complaining of a headache that was significantly worse when she was on the toilet having her morning bowel movement. On exam you note papilledema. She complains of a pulsing ringing in her ear. She is worried she will not be able to make her pre-op appointment for her gastric bypass today. What headache to you suspect?
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Pseudotumor cerebri
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What do you expect to find on LP?
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Normal ICP
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What do you expect to find on MRI?
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Slit ventricles
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59yo male presents with a one sided headache that is worse when using the bathroom, coughing, or sneezing. It awakens him from sleep. You not papilledema. What headache do you suspect?
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Brain tumor
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What procedure is contraindicated?
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LP
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29yo female presents with a severe pulsing one sided headache. She complains of increased pain with loud noises and bright lights. Admits to N/V. Tylenol has been unsuccessful. What headache do you suspect?
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Migraine
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What is the first line tx?
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NSAIDS, Midrin, Fiorcet
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What prophylactic treatment would you start?
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Propranolol, TCA, Depakote, Gabapentin
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18yo male presents with a band like headache that occurs daily towards the end of the work day. He denies pounding, N/V, photophobia. What type of HA is this?
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Tension HA
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What is the treatment?
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Analgesics for acute, TCAs for chronic
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Patient presents with a severe headache that awoke him from sleep. He has miosis of the left eye as well as lacrimation. He points to his eye when asked to localize the pain. What type of HA do you suspect?
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Cluster HA
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What is your primary treatment?
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Oxygen, triptans, DHE, or prednisone. Prophylaxis with CCB, Triptans, DHE
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Patient returns from a convoy in Afghanastan. The vehicle ahead of them was hit with an RPG. He presents to your clinic complaining of a constant dull headache that is worse with head movement. No focal changes are noted. What type of headache to you suspect?
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Post-traumatic HA
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A headache that occurs greater than 15 days a month for more than 6 months is described as..?
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Chronic
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What are the reversible causes of dementia?
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ETOH, depression, brain tumors, hydrocephalus
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Generally, is dementia or delirium reversible?
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Delirium
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What are the causes of delirium?
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I-nfection, W-ithdrawal, A-cute metabolic, T-rauma, C-NS pathology, H-ypoxia, D-deficincies, E-ndocrine, A-cute vascular, T-oxins, H-eavy metals
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29yo male presents with a periods of lucidity followed by normal LOC, hallucinations, and inattentiveness. His wife states he can't sleep at night. He see spiders crawling on the walls. What do you suspect he has?
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Delirium
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How would you treat him?
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Tx the underlying cause
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Patient presents with a slow loss of memories, difficulty doing normal activities and personality changes. What do you suspect he has?
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Dementia
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What is the number one risk factor for this?
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Age
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What is the number one cause of this?
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Alzheimers.
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What needs to be ruled out in all patients who present with suspected dementia?
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Depression
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How do you differentiate this from dementia?
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They're aware of their deficiencies, they have primarily vegetative symptoms, no worsening at night, and no neuro changes
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Patient presents with an abrupt onset of confusion and changes in congnition. He is brought in by his wife to the ER. What type of dementia do you suspect?
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Vascular dementia
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66yo male is brought into your clinic by his wife. Her chief complaint is that he has been acting strangely and not himself lately. What type of dementia do you suspect?
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Frontotemporal Dementia
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What is the pathophysiology behind it?
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Tau protein
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What does CT/MRI show?
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Temporal and frontal lobe atrophy
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EMS brings a 56yo male into the ER after he was found screaming in a corner about the spiders on the walls surrounding him. He appears normal upon exam, then suddenly becomes frightened of the bear behind you pointing at him. He gets up to run away but stumbles and falls repeatedly. What do you suspect?
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Dementia with Lewy Bodies
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Patient presents to the ER via EMS. He has been seizing for 30 minutes now without any periods of lucidity. What is this condition called?
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Status epilepticus
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What is your primary treatment?
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Airway, IV, monitors, labs, tx underlying and give ativant and dilantin.
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What do you do if the seizure lasts for 60 minutes?
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Administer anesthesia.
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What are pregnant epileptics fetuses at risk for?
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Congenital deformities, micocephaly, still birth, seizure disorders
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16yo male is brought in by his mother. She complains that in the morning he is unable to get ready for school in a timely manner as he can't seem to hold onto anything. He swings his arms randomly and knocks everything over. Rather than go to school, he pretends to have leg spasm and falls down the stairs. What is in your DDX?
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Myoclonic seizures.
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6mo child is brought to the ER with mom complaining that he's shaking. She said she was in the clinic earlier for an ear infection. VS show temp of 102.3. What do you suspect and what do you tell the mother?
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Febrile seizures, they do not lead to seizure disorders and should grow out of them.
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Patient presents with a sudden LOC after standing up to leave his 2 hour board meeting. Standerbys report he twitched after he fell. He is awake and alert now with no neuro changes. What do you suspect?
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Syncope, no post ictal, muscular twitches normal shortly following LOC
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Patient presents with a sudden LOC after standing up to leave his 2 hour board meeting. Standerbys report he twitched after he fell. He is awake now with mild confusion. He states his ears started ringing and he saw bright lights and a metallic taste before he fell. What do you suspect?
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Seizure, auro and post ictal period present.
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73yo female presents to the clinic for a routine examination. While doing the interview, you note she constantly rubs her thumb and forefinger together. As she reaches for the pen to sign her name, you note the movement is halting and stepwise. She has a slow shuffling gait and seems to have difficulty standing still unassisted. What do you suspect?
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Parkinson's.
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What are the medical terms for the symptoms described?
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Resting tremor, cogwheel rigidity, bradykinsia, postural instability (TRAP).
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What other symptoms would you see?
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Masked faces, turn en bloc, reduced arm swing, propulsion
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What is the underlying pathophysiology?
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Dopamine insufficiency.
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What are treatments?
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Dopamine replacements/agonists, Anticholinergics, Amantadine, PT/OT
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What are the two categories of seizures?
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Generalized and partial
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Patient presents with stiffening and jerking movements throughout his entire body. He is unresponsive at the time. As he returns to consciousness you note he is confused. What type of seizure do you suspect?
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Tonic-clonic
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What hemisphere of the brain is affected?
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Generalized seizure therefore a central focal point radiating to all hemispheres of the brain
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What is your treatment?
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Depakote, then Lamictal/Tegretol/Dilantin
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Mother brings her child in. She states the visit was recommended by the teacher for evaluation for ADHD. She states the teacher complains the child stares out the window and doesn't pay attention in class. He disrupts the other students by smacking his lips and sticking his tongue out at them. He then refocuses and pretends it never happened. What is in your differential diagnosis?
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Absence seizures
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What area of the brain is affected?
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Generalized seizure, therefore both hemispheres
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A 20yo male in basic training presents to you stating he's been having this weird taste in his mouth and then precedes to have a twitching of an arm or leg, or some part of his body. Sometimes, this progresses up his arms and becomes quite severe. What kind of seizure do you suspect?
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Simple partial
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What progressing phenomenon is he describing?
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Jacksonian March
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What category does it fall under and what hemisphere is affected?
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Partial seizure, only one hemisphere is affected.
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Mother brings her child in. She states the visit was recommended by the teacher for evaluation for ADHD. She states the teacher complains the child stares out the window and doesn't pay attention in class. He disrupts the other students by smacking his lips and sticking his tongue, clapping his hands together, and shouting uncontrollably. He seems to pass out temporarily, and then returns to consciousness. What is in your differential diagnosis?
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Complex partial
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What category does it fall under and what hemisphere is affected?
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Partial seizure, only one hemisphere is affected.
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How does it differentiate from simple?
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LOC
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28yo female presents to your clinic. Medical history is significant for Schizophrenia for which she's been complaint with Zyprexa. She complains that she cannot stop moving her tongue and mouth. Sometimes her neck spasms to hard that she has to turn her head. You note her voice seems horse as well. She has stridor during the lung exam. What do you suspect?
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Acute Dystonia
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How do you treat this?
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Cogentin, Benadryl, and ICU admission as airway is involved.
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What movement disorder is described as rhythmic oscillatory that gets worse with stress of fatigue, and better when the patient sleep or drink alcohol.
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Tremors
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What are the types of tremors?
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Postural, Benign Essential, Intentional, and Resting
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How can you treat this?
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Propranolol, gabapentin, lyrica, benzos
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What movement disorder is described as slow and writhing with alternating flexion, extension, and rotation?
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Athetosis
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Is it present during sleep?
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No
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Involuntary movements of the face and tongue typically associated with long term use of Dopamine blockers or anti-psychotics are called what?
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Tardive dyskinsia
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The movement disorder described as involuntary, arrhythmic, rapid, jerking, purposeless movements is called what? Sometimes
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Chorea, St Vitus Dance
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What do they have difficulty with during the neuro exam?
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Strength testing
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What diseases are associated with this?
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Wilson's, Huntingtons, Iron deficiency anemia, Acute rheumatic fever
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A sustained muscle contraction with twisting, repetitive movements or abnormal postures is known as what?
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Dystonia
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What is blepharospasm?
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Dystonia of the eyelid
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What is opishtotonus?
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Dystonia of the paravertebral muscles
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What movement disorders involves only a single muscle group and can occur spontaneously or with initiation of movement.
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Myclonus
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Patient presents with a sudden headache that he complains is the worst of his life. What do you suspect?
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Subarachnoid hemorrhage
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What are the two risk factors for this?
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AVM and Berry Aneurysm
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What is the blood pressure goal for your patient?
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Less than 140mmHg
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What type of stroke involves bleeding into the brain, presents with vomiting and gradual onset of headache associated with depression of consciousness.
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Intracerebral hemorrhage
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What is the blood pressure goal for your patient?
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140-160mmHg, initiate drugs at 170mmHg (Labatelol)
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What is the blood pressure goal associated with ischemic strokes?
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Less than 220/120
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What are the top findings associated with an acute stroke?
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Asymmetric facial paralysis, arm drift/weakness, and abnormal speech (dysarthia)
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What findings on CT are consistent with a subdural bleed?
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Initially midline shift, later downward displacement of the cerebrum, late is herniation of hippocampus through tentorial notch then cerebellar tonsils through the foramen magnum.
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What results are seen on a non contrast CT associated with ischemic stroke?
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Dark spots that can take as long as 24 hours to show
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What results are seen on a non contrast CT associated with a hemorrhagic stroke?
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Bright white spots that appear soon
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A stroke in this area would affect the side of the face, affect eyesight in one eye and cause the opposite eye to drift?
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Putamen, from MCA occlusion
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A pure motor stroke is seen in what?
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Lacunar stroke, contralateral side affected
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Profound abulia (motor and verbal delay) with bilateral pyramidal signs indicates a stroke where?
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Anterior Cerebral Artery (ACA)
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Third nerve palsy with contralateral ataxia (Claude's syndrome) is seen in what type of stroke?
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PCA affecting the thalamus and subthalamus
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Contralateral homonymous hemianopia with macular sparing indicates a stroke where?
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PCA affecting the medial temporal and occipital lobes.
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What other complication may occurs?
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Anton's syndrome. They're blind but don't know it, PERRLA intact...from bilateral PCA occlusion
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A soldier undergoes a blast injury. He has confusion for approximately 23 minutes following the event, but suffered no loss of consciousness. What grade of concussion does he have?
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Grade 2
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What are his care instructions?
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RTD in one week, CT or MRI only S/S persist
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A soldier undergoes a blast injury. He has confusion for approximately 12 minutes following the event, but suffered no loss of consciousness. What grade of concussion does he have?
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Grade 1
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What are his care instructions?
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RTD once cleared.
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A soldier undergoes a blast injury. He has confusion for approximately 22 minutes following the event and suffered no loss of consciousness. What grade of concussion does he have?
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Grade 3
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What are his care instructions?
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RTD no sooner than 2 weeks, CT or MRI STAT
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Memory involved in planning, initiating, and regulating behavior is known as?
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Executive function, involved in working memory
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Memory that contains unchanging facts, principles, associates, and rules (days of the week) is what?
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Semantic memory
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Memory that deals with facts about the world, and past personal events that must be consciously retrieved to be remembered?
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Declarative (explicit) memory
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What type of memory is involved in learning and retaining a skill or procedure, such as riding a bike, getting dressed, or driving a car?
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Procedural (Implicit) memory
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What are the four stages of memory development?
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Registration, retention, stabilization, and retrieval
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