NEUROLOGY (ADULT) Flashcards
WHAT ARE THE CAUSES OF UNILATERAL VISUAL LOSS
VASCULA
OPTIC NEURITIS OR PAPILLITIS
RETINAL DETACHEMENT
VITREOUS HAEMORRAGE
RETINOPATHY AND MACULAR DEGENERATION
WHAT ARE SOME EXAMPLES OF VASCULAR CAUSES OF UNILATERAL VISUAL LOSS
OCCLUSION OF CENTRAL RETINAL ARTERY
OCCLUSION OF CENTRAL RETINAL VEIN
TEMPORAAL ARTERITIS (GIANT CELL)
WHAT IS ANTERIOS ISCHEMIC OPTIC NEUOPATHY
OCCLUSION OF POSTERIOS CILLARY ARTERY SUPPLYING THE OPTIC NERVE HEAD
WHAT IS ANTERIOS ISCHEMIC OPTIC NEUOPATHY ASSOCIATED WITH
GIANT CELL ARTERITIS
WHAT WOULD YOU FIND ON FUNDOSCOPY FOR ANTERIOR ISCHEMIC OPTIC NEUOPATHY
SWOLLEN OPTIC DISK
WHAT ARE THE FINDINGS ON FUNDOSCOPY OF CENTRAL RETINAL ARTERY OCCLUSION
A PALE RETINAL DISK W CHERRY SPOTS ON THE MACULA
WHAT DOES THE CENTRAL RETINAL ARTERY SUPPLY
THE WHOLE RETINA
WHAT WOULD YOU FIND ON FUNDOSCOPY OF CENTRAL RETINAL VEIN OCCLUSION
DILATATION OF BRANCH VEINS
COTTON WOOL PATCHES
MULTIPLE HAEMORRAGES
WHAT TESTS WOULD YOU USE TO DIAGNOSE UNILATERAL VISUAL LOSS
MRI
VISUAL EVOKED POTENTIAL
FLUORESCEIN ANGIOGRAPHY
TONOMETRY
USS
WHAT WOULD YOU USE TO DIAGNOSE OPTIC NEURITIS
MRI
VISUAL EVOKED POTENTIAL
WHAT WOULD YOU USE TO DIAGNOSE CENTRAL RETINAL VEIN/ARTERY OCCLUSION
FLUORESCEIN ANGIOGRAPHY
WHAT WOULD YOU USE TO MEASURE INTRAOCCULAR PRESSURE FOR GLAUCOMA
TONOMETRY
WHAT WOULD YOU USE USS TO DIAGNOSE FOR
VITREOUS HAEMORRAGES
RETINAL DETACHEMENT
WHAT IS OPTIC NEURITIS
INFLAMMATION OF THE OPTIC NERVE CAUSING DAMAGE AND SUBSEQUENT VISUAL LOSS
WHAT IS OPTIC NEURITIS ASSOCIATED WITH
MS
TEMPORAL ARTERITIS
SLE
LYME
SYPHILLIS
B12 DEFICIENCE
HOW DOES OPTIC NEURITIS PRESENT
DECREASED VISUAL ACUITY OVER DAYS
PAIN MOVING EYE
VISION LOSS EXACERBATED BY HEAT OR EXCERSISE
AFFERENT PUPILLARY DEFECT
INABILITY TO DISTINGUISH COULOR HUES (DYSCHROMATOPSIA)
HOW WOULD YOU MANAGE OPTIC NEURITIS
STEROIDS TO SPEED UP RECOVERY
RESOLVES ON ITS OVER AFTER AOUND 6W
WHAT IS OPTIC NEURITIS OFTEN A FIRST PRESENTATION FOR
MULTIPLE SCLEROSIS
WHAT IS MULTIPLE SCLEROSIS
A CHRONIC DEMYLENATING DISEASE WHICH IS AUTOIMMUNE AND MAY CAUSE NEURODEGENERATIVE AXONIAL LOSS
WHERE DO MULTIPLE SCLEROSIS LESIONS OFTEN OCCUR
OPTIC NERVE
BRAIN STEM
BASAL GANGLIA
SPINAL CORD
WHAT ARE THE OPTIC NERVE SYMPTOMS OF MULTIPLE SCLEROSIS
REDUCED VISUAL ACUITY OVER DAYS
WHAT ARE THE BASAL GANGLIA SYMPTOMS OF MULTIPLE SCLEROSIS
NYSTAGMUS (OFTEN CONTRALATERAL TO AFFECTED EYE)
TREMOUR
SLOWED MOVEMENTS
ATAXIA
WHAT ARE THE SPINAL CORD SYMPTOMS OF MULTIPLE SCLEROSIS
PINS AND NEEDLES
MUSCLE SPASM AND MUSCLE WEAKNESS
WHAT ARE THE BRAIN STEM SYMPTOMS OF MULTIPLE SCLEROSIS
PYRAMIDAL WEAKNESS ie muscle weakness and spastic parapesis
WHAT ARE SIGNS THAT ARE ASSOCIATED W MULTIPLE SCLEROSIS
UMN LESION SIGNS
- BRISK REFLEXES
- SPASTIC HYPERTONIA
- MUSCLE WEAKNESS
- BABINKKI SIGN AND OTHER PRIMATIVE SIGNS
ALSO
OPTIC ATROPHY
AND CEREBELLAR SIGNS IE ATAXIA AND NYSTAGMUS
WHAT ARE THE CRITERIA REQUIRED TO DIAGNOSE MULTIPLE SCLEROSIS
MULTIPLE CNS LESIONS
PLUS
- LESIONS ARE DISSEMINATED IN SPACE EITHER CLINICALLY OR ON MRI
- ARE DISSEMINATED IN TIME (OVER 1 MONTHS)
- SYMPTOMS LAST LONGER THAN 24HRS
WHAT IS THE INVESTIGATION OF MULTIPLE SCLEROSIS
MRI
LP
EVOKED POTENTIALS (VISUAL)
IN MULTIPLE SCLEROSIS WHAT WOULD YOU FIND ON LP
OLIGOCLONAL BANDS
WHAT ARE THEY TYPES OF MULTIPLE SCLEROSIS
- BENIGN
- RELAPSING REMITTING
- SECONDARY CHRONIC PROGRESSIVE
- PRIMARY PROGRESSIVE
DESCRIBE BENIGN MULTIPLE SCLEROSIS COURSE
NOT NEURODEGENERATIVE. HAS FLARES BUT THEN THERE WILL BE FULL RECOVERY BACK TO NORMAL LEVELS OF ABILITY
DESCRIBE RELAPSING REMITTING CAUSE OF MULTIPLE SCLEROSIS
SLOW STEPWISE DECLINE IN ABILITY WITH EACH FLARE.
THERE IS PARTIAL RECOVERY AFTER EACH FLARE
DESCRIBE SECONDARY PROGRESSIVE COURSE OF MULTIPLE SCLEROSIS
AT THE START THERE IS STEPWISE DECLINE OF ABILITY WITH PARTIAL RECOVERY AFTER EACH FLARE.
LATER IN THE DISEASE CAURSE THERE IS A STEADY PROGRESSIVE DECLINE IN ABILITY WITHOUT FLARES
DESCRIBE PRIMARY PROGRESSIVE COURSE OF MULTIPLE SCLEROSIS
A SLOW AND STEADY DECLINE IN ABILITY WITHOUT FLARES
WHAT IS GIANT CELL ARTERITIS
IN INFLAMMATORY DISEASE OF THE LARGE BLOOD VESSELS OF THE HEAD
WHAT IS THE PRESENTATION OF GIANT CELL ARTERITIS
HEADACHE
JAW AND TONGUE CLAUDICATION (+POSSIBLE TONGUE NECROSIS)
DECREASED VISUAL ACUITY (OPTIC NEURITIS)
SUDDEN VISUAL LOSS (OPTHALMIC ARTERY OCCLUSION)
PAIN AND TENDERNESS BRUSHING HAIR OR TOUCHING SCALP
WHAT IS GIANT CELL ARTERITIS ASSOCIATED WITH
SLE
POLYMYALGIA RHEUMATICS
VARICELLA
RHEUMATOID ARTERITIS
WHAT IS THE DIAGNOSIS OF GIANT CELL ARTERITIS
BRUITS
BLOODS: INCREASE IN - CRP - ALP - ESR
BIOPSY OF TEMORAL ARTERY = GOLD STANDARD
HOW DO YOU TREAT GIANT CELL ARTERITIS
PREDNISOLONE ASAP TO AVOID BLINDNESS
ALSO CAN ADD IMMUNOSUPPRESSIVE TOCILIZUMAB
what is the Px of proximal myopathy
struggle going up and down stairs/hills
crabman syndrome
proximal muscle weakness
what is the commonest causes of proximal myopathy
steriods
in inflammatory diseases (SLE)
alcohol
renal/liver failure
bone marrow transplants/chemo/resp diseases
Myesthic syndromes presentation
repeated movements causing fatigueability
partial ptosis
treatment of myesthenic syndromes
Pyridostigmine
an acetylcolinesterase inhibitor
what do mononeuropathies commonly affect
upper limbs
what is a mononeuropathy
a disease process of a named nerve
what are common mononeuropathies
carpel tunnel syndrome
ulnar nerve palsey
pt reports having pain in their thumb,index and middle finger.
The pain radiates down to the wrist,
worse in the morning
struggles to open jars, texting/taking selfies
what is the diagnosis
carpel tunnel syndrome
what is the presentation of an ulnar nerve palsey
trouble with fine movements
doing up buttons
paying with coins
makeup
what does the ulnar nerve supply
small muscles of the hands
how do oyu check the axillary nerve
deltoid for sensation and movement
when does the radial nerve usually get damaged
humerous fracture
what is the function of the radial nerve
flexion of the wrist
what nerve causes foot drop
common perineal nerve
what pathology usually causes a foot drop
rediculopathy
what are common causes of peripheral neuropathies
diabetes
leprosy
what is the difference between ridiculopathy and neuropathy
rediculopathy is a pinched nerve.
Neuropathy is a damaged nerve for whatever reason and can present similarly to a rediculopathy
what are the two types of symptom groups of periferal neuropathy
small fibre (C fibre)
early onset symptomsburning pain, numbness
Large fibres (A fibres)
loss of motor function
what is a classic presentation of a diabeteic neuropathies
thin, dry, shiny skin,
pigmented skin
hair loss
callusus+ulcers
aka trophic changes
what is the presentation of vertebral pain syndrome
pain in neck, radiating to shoulder
ache and discomfort
decreased ROM
no sensory loss or muscle weakness
what is vertebral pain syndrome
a myelopathy commonly caused by osteoarthritis of the neck
what would vertebral pain syndrome in the thoracic spine be indicative of
cancer mets
wedge fracture
RED FLAG!
what is the presentation of a rediculopathy
sharp shooting painful joins in dermatomal pattern
worse on coughing or sneezing
sudden onset usually after doing something manual
not many neurological symptoms
what rediculopathy would cause bicep, thumb and index finger presentations of
pins and needles, weakness
6
(biceps has 6 letters, thumb is sixth finger )
what nerve root would cause tricep and middle finger weakness
C7
tricep has 7 letters
middle finger (8th finger) = fuck you = 8 letters
what rediculopathy would cause foot drop
L5
for dorsi flexion (nnervates dorsum of food)
what rediculopathy would cause innability to raise on tip toes
s1
innability to plantar flex
s1 innervates, small toes, side of foot
sole of foot
what normally causes rediculopathies
disc prolapse
what would occipital lobe disorder present as
contralateral visual disturbances
what would parietal lobe disorder present as
contralateral
disturded sensations (not pain)
impared higher sensory processes ie dysgarthia, feeling 3D of objects Dyslexia (reading)
what would frontal (back of) lobe disorder present as
hemiparesis
what would frontal (front) lobe disorder present as
personality and executive function disorders
must be bilateral for Sx
what would basal ganglia disorders cause
if decreased Dopamine (paskinsonianism) there too high control = ridgidity
if increased dopamine = dereased control causing chorea + dystonia (ie hontingtons)
what can cause meningism
blood (subarachnoid haemorrage)
pus (infection0
what is the Px of meningism
headaches, photophobia, neck stiffness, N+V, systemic Sx
What are causes of raised IC pressure
headaches worse in morning, decreased conciousness, N+V,blurred vision (papilloedema), Double visison (paralytic squint).
just not quite right
what can the presentation of pituitary tumour be in males
bilateral hemienopia
ED
less body hair
gynecomastia
fatgiue
what can the presentation of pituitary tumour be in females
bilateral hemienopia
irregular periods
fatigue
what is a migrane
a headache causing moderate to svere pain lasting from hours to days and if often preceeded by an ‘aura’
what is the pain description of a migrane
moderate/severe
throbbing + pulsating
worse on moving, photophobia and aversion to sound
what causes an aura
unregulated neuron (electic) activity on surface on the brain causing altered perceptions of sensation
often lasting less than an hour
what associated symptoms are there with migranes
N+V
tingling in arm or face
speech difficulties
difficulty moving limbs
triggers for migranes
bright lights
strong smells
weather changes
stress
lack of sleep
missed meals
alcohol
what parts of a migrain history would you ask
date of attach
severiy
duration
treatment used
deatils of associated sx
Ix fir migranes
MRI/CT
Mx of migranes
PROFYLAXIS:
propranolol
topiramate (antiepileptic)
Amitriptyline (TCA)
ACUTE:
analgesia : paracetamol/aprin/ibruprofen
triptans: sumatriptan (taken at onset)
anti emetics: metoclopramide
what is a cluster headache
a severe headache which occurs on one side of the head typically around the eye. PAin lasting for 15mins to 3hrs
pain tends to occur daily for a few weeks then there will be a pain free period
sympoms of cluster headache
severely paunful one sided headache with pain ususally behind one eye/temple
lasting form 15min-3hrs
cranial autonomic sx
agitation and restlessness
1-4 attacks every day
pain usually at same times daily
what are cranial autonomic Sx
reddening and tearing of eye
drooping of eyelid
smaller pupil o one eye
blocking/running on nose
facial sweating or flushing
who typically gets cluster headaches
male
20-40
smoker/drinkier
what are RF for cluster headaches
poor sleep
smoking
alcohol
what causes cluster heaaches
abnormal activity of the hypothalamus
Mx of cluster headaches
oxygen (12-15l/min) for 15-20 min
sumatriptan injections
sumptriptan nasal spray
profylactic Mx of cluster headaches
verapamil (CCB)
lithium
corticosteroids
GABApentin