Psych and Neuro Flashcards
Effects and tx
Extrapyrimadial side effect tx
NMS tx
Serotonin syndrome tx
EPS - Benztropine, DIphenhydramien
NMS - Rigidity Daltrolene, D2 agonist
Serotonin - - clonus - Cyproheptadine
metoclopramide
odansetron
mech?
Met - D2 block
Odansetron - S block
HTN crisis tx? (MAO)
pHENTOLAMINE , NIFEDIPOINE
Brief Psychotic Disorder
Delusional Disorder
Brief - Less tahn 1 mo - stress related usu
DelusionD - 1+ mo. Functionally not impaired
Schioaffective Schizophreniform schizophrenia Schizoid Schizotypal
Schioaffective - 2wk+ w/ mood Schizophreniform - 1-6mo schizophrenia - 6+ mo. DEC dendritic branches. Assoc /w weed in teenagers Schizoid - voluntarily distancing Schizotypal - maginal thinking
Bipolar 1
Bipolar 2
Cyclothymic
Bipolar 1 - 1+ mo
Bipolar 2 hypomanic + depressive
Cyclothymic - 2 y hypomanic + dysthymia
MDD
Dysthymia
MDD - 2+ - single episode = SSRi for 6mo
Dysthymia - 2y mild depression
Panic disodrer
GAD
Adjustment disorder
Panic disodrer - 1mo + - Tx Benzo. Long term SSRI, CBT
GAD - 6+ mo no identifiable stressors - SSRI, CBT
Adjustment disorder - within 6 mo - Identifiable - Tx - Psychotherapy, CBT
Acute Stress Duisorder
PTSD
ASD - 3d - 1mo
PTSD 1mo+
Paranoid
Schizoid
Schizotypal
Paranoid - projection
Schizoid - voluntary distancing
Schizotypal - magical thinking
Antisocial
boderline
Histrionic
narcissistic
Antisocial - 18+. Conduct disrdoer by 15 req.
Boderline - Interpersonal relationship , self harm, splitting
Histrionic - Appearance, sexuality
narcissistic - Demans best. Criticism with rage
Avoidant
O/C
Dependent
Avoidant - desires relationship, hypersentiviet to rejection
O/C- does not realize odd perfectionist way
Dependent - subsmissive, low confidence
Social phobia
Specific phobia
Social phobia - SSRI, Performance issues = BB
Specific phobia - Behavior therapy
Conversion
somatic
Factitious
malingering
Conversion - neuro sign - weakness, blidness, etc Aware but indifferent.
Somatic - somatic
Factitious -Sick role only
malingering - secondary gain.
Brain met - tx?
Single met - surgery
Multiple mets - Whole brain RTx
Adult Brain tumors
GBM Hemangioblastoma meningioma oligodendroglioma pituitary adenoam schwannoma
Adult Brain tumors
GBM - Pseudopalasing, central necrosis, hemoarrhage
Hemangioblastoma - Cerebellar. VHL. w/ retinal angioams . EPO
meningioma - whorled, psamomma. benign . estrogen rec
oligodendroglioma - Fried egg, clear cytoplasm, calcified, chicken wire. Frontal
pituitary adenoam prlactinoma, bilat temp hemi.
schwannoma - spindle, elongated w/ oval nuclei. S100+ Bilat in NF2
Child brain tumors
Pilocytic astrocytoma
Ependymoma
Craniopharyngioma
Medulloblastoma
Pilocytic astrocytoma - Cerebellar/posterior fossa. Rosenthal fibers.
Ependymoma - 4th ventricle. Hydrocephalis. Highly malig
Craniopharyngioma - Ca, Cystic, cholesterol rich, Rathkes. Comes back after resection but BENIGN
Medulloblastoma - Homer Wright rosettes - solid blue, highly malig.. hydrocephalus. Drop mets
Acomm
PCA
Basilar
AICA
PICA
ASA
Acomm - saccular, berry anerysm -> SAH
PCA - Contra heminopia w/ macular sparing (MCA)
Basilar - locked in
AICA - CN 7, lateral pontine (facial droop)
PICA - CN 9, 10, 11, dysphagia, lateral medullary
ASA - CN 12 - contra paresis , medial medullary.
Stokres:
Charcot Bouchard
lacunar
basal ganglia
Charcot - thalamic - sensory, HTN - HTN
Lacunar - Internal capsule - motor , Negative on CT - HTN
Basal ganglia - contra sensory and motor
Ischemic stroke w/o A fib outside of TPA window tx
W A fib?
Aspring indefinitely
If it stroke recurs, add Clopidogrel
W Afib - Anticoagulate.
Pseudotumor dx
LP confirms. CSF > 250. MR to rule out central vein thrombosis. 70% have empty sella.
Tx Acetazolamide
MS - Gold standard dx
tx acute ?
Dx - MRI - not LP (oligoclonal nont sensitive/specific)
Tx acute w/ IV steroids. Not IVIG . Longerterm - Interferon, IVIG, cyclophosphamide.
Spinal cord compression - presentation
Motor and sensory. Decreased rectal tone.
Tx - IV STEROIDS, MRI, neurosurg consult.
Essential tremor
Cerebellar tremor
Parkinsonis tremor
Essential - worse w/ action
Cerebellar - worse w/ action + ataxia
Parkinsons - better w/ action
Menieres - etiology and presentation?
Inner ear endolymph
Ear fullness, vertigo
Prolonged seizure - damages…?
Cortical laminar necrosis
Carbamazapine - tox
Tx
Agran, SIADH, hepatotox, SJS
Tx - Trigeminal neuralgia. Complex partial seizures.
Phenytoin side effects?
Nystagmus, Gingival hyperplaia. LAD. SJS
Phenobarbital use?
DOC neonates. Criglig najar t2 (not as bad one)
Cluser headache prophylaxis?
Acute tx.
Verapamil.
Acute tx 100% o2, NOT sumatript
Alzheimer
Picks
parkinsons
Lewy Body
Multisystems Atrophy
Alzheimer - DEC ACh. Extraceullar B amyloid. Neurofib tagle (intracellular), Hyperphosph Tau.
Picks - FT - disinhibition. Spherical Tau. Early alzheimer
Parkinsons - DEC Dopa (sub Niag)/Basal ganglia. Lewy body (a synuclein).
Lewy Body - Early dementia, hallucination. Parkinsonism late.
Multisystems Atrophy - Parkinsonims w/ autonomic dysfunction.
Huntintons chemical changes, location, presentation.
AD - DEC GABA form caudate/basal ganglia. - Neuronal death via NMDA and glutamate toxicity.
Presentation -
CJD
Pml
CJD - Startle myoclonus - B pleated sheats - spike waves on EEG.
PML - ICH - nonenhancing lesions w/o mass effects
NF1 NF2 SturgeWeber TS VHL
NF1 - cafe au lait, lisch nodules, optic gliomas/iris hamartomas, Pheos, Chr 17
NF2 - BIlat schannomas, meningioma, NF
SturgeWeber - Port wine, ipsi leptomeningial, Hemangioma,
TS - AD - Angiofibromas, Hamartomas, RHabdomyomas, Angiomyolipomas
VHL - Cavernous hemangiomas, Bilat RCC, Pheos.
Chiari 2
Dandy walker
Chiari 2 - cerebellar hernaiation, myelomeningocele, syringomyelia
Dandy Waker - absent Vermis - cystic, 4th
Charcot Marie TOoth - findings
AD - myelin defect - MOTOR AND SENSORY - Scoliosis, arcch/feet problem. DEC conduction of neurons.
Werdig Hoffman
Polio
WerdigH - AR - floppy baby, anterior horn>
Polio - flaccid paralysis - anterior horn
ALS - dm to? presentation, tx?
UMN and LMN. Full sensory.
Tx baclofen, rilouzole
Friederichs Ataxia - signs? genetic problem?
Friedrech Ataxia - Cerebellar + Spinal findings.
AR - trinucleotide. Chr 9, frataxin. Mitochondrial function. HAMMER TOES. Kyphoscoliosis.
Adrenoleukodystrpohy - problem and findings
CoA to fatty acid.
Dmg to adrenals, testes, white matter. Adrenal crisis, coma.
CNS lymphoma - imaging presenation and dx?
Weakly ring enhacning - Dx EBV CSF
GBS - CSF findings?
Normal cell (normal WBC) and glucose. INC! protein
sensory may be affected as well.
Menieres presentation?
BPPV -
Vestibulopathy
Ear fullness, tinnitus, horizontal nystagmus
BPPV - Calcium crystals in semicircular canal. BRIEF. No tinitus. Vertigo WITH MOVEMENT.
Vestibulopathy - nystagmus with head thrust (may be aminogylcoside induced)
Wernicke
Korsakoff
Wernicke - Encephalopathy, oculomotor, ataxia
korsakoff - Konfabulation, Irreversible amnesia, apathy
Brain death - what signs remain?
No eye reflexes, no breathign drive, no atropine heart reflex.
DTR still intact (spinal cord still works!)
Alz vs NPH
NPH has gait disturbances firstg and most prominent.
Alz may get ataxia and incontinence later
Central cord injury
Anterior Spinal cord injury
Central cord injury - Upper extremity> Lower extremity due to placement in cord.
Anterior spinal Cord - Lower > Upper motor, DEC pain and temp. +-bladder and bowel.
DCML fine.
Bacterial meningitis tx?
STEROIDS (if negative for strep, d/c)
ICH - Vanc, Cefapime, Ampicillin
CP presentation
Tone, spasticity, MR, Gain, feet abnormality.
Preterm risk factors.
Alz tx -
Donepezil, Rivastigmine, Galantamine
All anticholinesterase inhibitors
Uncal herniation - which CN goes first
CN3 first
Cluster headaches - presentation
ppx
Tx?
Cluster headaches - lacrimination, rhinorrhea, conjunctival injection. No n/v
PPx w/ verapamil
tx - 100% 02, Not sumatriptan
Syncope:
Vasovagal
vs
Carotid sinus syncope
Vasovagal - clinical dx. If complciated for whatever reason, Upright table tilt.
Carotid sinus syncope - not vasovagal - Hypersenstiivty of carotids. TIGHT COLLAR.
Astrocytomas – prognosis
based off of GRADE of anaplasia
CSF findings of HSV encephalitis
– WBC 25, , Glucose normal, RBC ~700+, Protein HIGH
BPPV – etiology and tx?
Displaced otoliths or Ca crystals in semicircular. Tx is repositioning head xercises (Epley maneuver) to try to reposition displaced otoliths.
Migraine tx
Triptans, NSaids, Antiemetics, Ergots (Dihydroergotamine). However, do NOT give triptans and Ergots together – can cause prolonged vasospasm.
Migraine ppx
– Topiramate, Valproic, TCA, BB. (don’t confuse w/ cluster headache pp Verapamil)
More than 3/4 hours singe stroke? Tx?
Aspirin
After stroke, what to start everyone on?
Statin
Which medication can low progression of parkinsons?
MAO inhibitor (Rasagiline)
Levo Amantandine pramipexole etc do not slow.
Restless leg syndrome tx?
Pramipexole (dopamine agonist)
GBS - tx?
Acute Myasthenic Crisis tx?
NO STEROIDS
IVIG OR Plasmapheresis - NOT AND.
GBS and Myasthenai both dont take steroids.
ITP has steroids.
ADHD - tx?
Methylpehnidate, dextroamphetamine
BUT SECOND LINE - ATOMOXETINE - NE reptakei has fewer side effects, less abuse - highly lauded on Step 2 CK
Ataxia, dysmetria, nystagmus
cerebellar hemorrhage.
Contra hemiparesis and sensory loss, upgaze palsy
thalamic
After stroke give what ppx - Algorith with past strokes, afib etc
Aspirin. If on aspirin with stroke, give clopidogrel OR dipyridamole. If with afib, give anticoagulation.
Social Anxiety Disorder (Social Phobia)–
THIS IS DIFFERENT CATEGORY THAN SPECIFIC PHOBIA. Fear of scrutiny, embarrassment about performance, social situations.
Does not respond to Sertraline. What to do
Same class SSRI. If fail 2 trials, switch to different class
Ataxia, dysmetria, nystagmus
Contra hemiparesis and sensory loss, up gaze palsy
Contralateral hemiparesis and sensor, gaze palsy
Ataxia, dysmetria, nystagmus – cerebellar hemorrhage.
Contra hemiparesis and sensory loss, up gaze palsy- thalamic
Contralateral hemiparesis and sensor, gaze palsy - basal ganglia
Restless leg tx
Pramipexole(dopa ago) or Gabapentin (CC)
Parkinson gait?
Narrow based, hypokinetic. NOT Broad/wise based gait. Wide base is more cerebellar or sensory ataxia.
Absence seizures 2 tx
Ethosuximide, valproic.
Somatic disorder vs Illness anxiety Disorder
Somatic has sx 1 or more. Illness anxiety is worry with minimal/no sx.
Location fo Brocas and Wernickes
Brocas (frontal lobe), Wernickes (Temporal)
neuro/psych drugs assoc w/ pancreatitis?
Valproic associated with actue pancreatitis, as are other anti epileptics
Acute mania tx of choice –
Antipsychotics (Haloperidol as well as risperidone, olanzapine etc). Mood stabiliers Lithium,
Valproate Carbamazepine take longer to kick in.
Pseudotumor concerns
BLINDNESS. Seizures, bleeds, urinarny incontienc unlikely. May shut or optic nerve seath fenestration to prevent blindness (also why you see papilledema)
Sexual assault associated with what risk?
PTSD, depression, suicidality. Nicotine and drugs NOT assoc risk.
Friedrichs Ataxia vs CP
do not mix up! Both have odd feet findings and gait/weaknes sin lower limbs. BUT friedrichs will have heart issues as well.
Posterior vermis syndrome
– gait, trunk dystaxia!, horizontal nystagmus, papilledema (medulloblastoma
Epidural hematoma algorithm
emergent craniotomy. Steroids have no role (unlike spinal compression and bacterial meningitis)
Fibromyalgia first line
TCA, then SSRI
Manic breaks and cessation of meds
If one, can stop after 1 year. If 2 -> years/lifetime. 3-> lifetime recommended.
Imaging findings in autism, OCD, Panic, PTSD, Sschizoprhenia:
Autism: INC total brain volume;
OCD: Orbitofrontal cortex and stgriatum;
Panic: Amygdala DEC;
PTSD dec Hippocampal;
Schizophrenia ENLARGEDMENT OF VENTRICLES.
Normal protein CSF levels
less than 40
Classic migraine picture (even in kids) without foacl neuro problems algorithm
counsel on migraines and nsaids. Triptains if these don’t work.
Tourette tx
– Antipsychotuic, clonidine, behavioral therapy. NOT SSRI.
Edpitural hematoma what to do
emergenct craniotomy for all edidurals.
Benzo vs Barbiturates mech?
Benzo GABA Cl INC FREQ. Barbiturates Cl INC DURATIOn.
Most effective therapy for prevent PTSD after traumatic event?
Group counseling
Antidepressant with weight loss/fewest sexual side effects
Buproprion. Assoc w/ seizures in anorexics.
Easiest way to differeniate anorexia from bulimia
Anorexia underwegith, bulimia normal weight. Both may have purging hx. Olanzapine great for anorexia (antipsychotic + weight gain)
Tx for
anorexia
bulemia
body dysmorphic
anorexia - antispychotic (olanzapine)
bulemia - SSRI
body dysmorphic - SSRI/cbt