Neuro, rheum, theaputics Flashcards
Mixed UMN/LMN signs, wasting of muscles, sensation intact, mild frontotemporal dementia Sx=? dx?
MND
Nerve conduction studies and electromyography
Adult, muscle weakness, cataracts and ptosis =
myotonic dystophy
Symptoms of subacute degeneration of spinal cord
Ataxia
Loss of proprioception
Spasticity
Reduced reflexes
What type of Ca channel to CCBs affect
L type channel
Myoclonus elicited by a statle should make you think of a
mitochondrial disorder
Lidocaine toxicity presentation
Perioral parasthesia first
SAMS
Slurred speech
Altered mental status
Muscle twitching
Seizures
Long-standing Rheum A
Now diarrhoea, weight loss, plaques in the axilla, proteinuria, hepatosplenomegaly =? Dx?
AA Amyloidosis
Rectal biopsy
60M Progressive dementia over 3 months with prodromal insomnia and depression = ? ix?
Sporadic CJD
Electroencephalography - EEG
Differentiate sporadic and variant CJD on MRI
Sporadic - changes in putamen, cordate and cortex
Variant - pulvinar
variant pulverised
Brittle asthma now acutely painful hip and unable to weight bare = ? ix?
AVN - needs MRI
[Steroid use]
T score for osteoperosis? When is it different?
-2.5
-1.5 if on steroid therapy -> start bisphosphonates
Heavy lifting - now pain over greater tuberosity of shoulder and painful arc on abduction =
supraspinatus
IV nitroprusside, now SOB abdo pain widespread ST depression = ? rx?
Cyanide poisoning from nitroprusside
IV dicobalt edetate
bodybuilder taking steroids hormones?
Raised testosterone
reduced LH (negative feedback from testosterone)
Pure motor or sensory stroke is?
Lacunar
TACS, PACS and lacunar stroke
TACS - Cerebral dysfunction, sensory, motor and visual
PACS - 2 of the 3 above
Lacunar - 1
Exercise then a few hours after weakness =
hypokalemic periodic paralysis
Meningioma of the cerebellar pontine angle
2 options for rx of acute dystonic reaction
Procyclidine
trihexyphenidyl hydrochloride
6-MP What drug can be fatal if co-administered
Allopurinol
[Prevents degradation of 6-MP
Severe headache
hypotension
Low Na raised K
Meningisim, CN VI palsy, visual field defect
Pituitary apoplexy
with compression of optic chiasm
Raynauds on atenolol for BP with creat 180. what should you do
Stop atenolol - worsens Raynaud’s
Start ramipril for renoprotection
avPu, haemodynamically stable
Digoxin overdose what can be given other than fab frgaments?
phenytoin
[plus IV digibind (fab fragments)]
Rheum DMARDs safeish in preg
Azathioprine, sulfasalazine and hydroxycloroquine
ASH is alright this time
28F, Myasthenia, 6 weeks worsening sx with weight gain and ankle oedema
Pregnant - causes MG flares in first trimester
Hx gout new diagnosis UC. Plan to start azathioprine. What do you need to do?
Stop allopurinol
check TPMT
Why do steroids cause bone fractures?
Alter PTH secretion
Stenosis of carotid for endarctectomy
> 50%
ONLY internal carotids
Brain surgery as a kid
Now depression -> cognitive impairment and myoclonic jerks
CJD
When is schirmers test positive
<5mm wetting after 5 minutes
Infection / surgery
-> very painful arm followed by proximal weakness and some sensory changes especially axillary
Brachial neuritis
Which DMARD may cause weakness, difficulty swallowing and a myasthenic picture
Penicillamine
Swollen knee
polarised light of aspirate - needle-shaped
Gout
Rheum A, has paraesthesia of lateral 2 fingers =- key iX?
Carpal tunnel
EMG / nerve conduction studies
On warfarin and given drug for fungus that inhibits mititic spindle of fungus - what happens to inr
Decreases - drug is Griseofulvin
Sudden visual loss affecting eye. Cotton wool spots and flame haeemorrhages in 1 quadrant. Prolonged APTT
BRVO - due to Antiphospholipid syndrome
Young onset ischemic event needs to check what
cocaine use
Rivaroxaban which factor inhibited
10a
Heparin affects
Antithrombin III
MG crisis of weekness unable to swallow needs
IV Ig
Most common side effect of donepezil / ACH inhib
insomnia
anorexia, hallucinations, aggitation
sCJD in 50s what ix first?
MRI
Then LP for protein 14-3-3
20s resting tremor and raised transaminases
Wilsons
Polymyalgia key iX
ESR
Dry red patches that became scaly. Areas of hair loss. worse in summer
Discoid lupus
Intention myoclonus following cerebral hypoxia eg OOHCA
lance adams syndrome
Weakness of finger flexors and quadriceps with mild rise in CK
Inclusion body myositis
Sensory loss over middle fingers of hand
T7
Most specific test for sCJD
Real time quaking induced conversion test
RTQuICT
BIG pile of aspirin 30 mins ago
gastric lavage
Excercise induced muscle pain and dark urine? ix?
McArdle sydrome [muscle phosphylase deficiency]
Serum lactate following exercise
Confirmed xanthochromia on LP with normal CT. What next
MRA
Cluster heache but actually 30 episodes per day and in a woman = rx?
Paroyxsmal hemicrania
Indomethcin
S
Neuroleptic malignant syndrome Rx
Bromocriptine
Causes of chronic urticaria
Asprin
NSAIDs
Opiates
Cholinesterase inhibitor toxicity 2 parts Rx
Atropine
Pralidoxime
5/12 of TB rx. now photosensitive ras on face rx?
Has Drug-induced lupus
Stop all meds and monitor
CO posioning 1st line Rx
Non rebreath 100% O2
Toxic alcohol 1st drug
Fomepizole
Fatty with heachache and CN6 palsy
Normal CT
LP raised pressure
Plan?
CT Venography
-Need to exclude thrombus
[IIH is a diagnosis of exclusion]
How to excrete in urine more aspirin in overdose
Sodium bicarb
Stange cause of IIH
Vit A excess
Antidepressant choice if pt on warfarin, aspirin or heparin to avoid increased bleeding risk
Mirtazapine
How to test for testosterone doping
Urinary testosterone:epitesosterone ratio
Liver transplant ref criteria
ph <7.3 or lactate >3 after fluid
within 24hrs
-Cr >300
-PT >100s or INR >6.5
-Grade III/IV encephalopathy
Nodules on hand with DIP joint space erosions
multicentric reticulohistocytosis
Monitoring pagets
6 monthly ALP
AntiGBM rx
plasma exchange + steroids
[not cyclophosphamide]
photosensitivity after recent admission with AF
amiodarone
Rheum arthritis and develops this -
Which drug makes it worse? better?
MTX - worse
Rituxumab - better
HTN comes in with reduced GCS and hypoglycaemia
Bb overdose
Glucagon
Bilateral haemangiomas and left flank mass
VHL
Dermatomyositis high or low dose pred
Higjh
Diagnostic criteria for diabetic nephropathy
GFR <60 for 3 months
Urine ACR >3mmol/L for 3 months
Old houses, anaemia, neuropathy and ckd
rx?
lead poisoning
Any of:
Penicillamine
DMSA
calcium disodium
Best imaging for pagets
Skeletal survey
[Not isotope bone scan]
1st line pyelonephritis oral
Cefalexin
Teenager with fam Hx of PKD normal US
When re scan
when they are 20
Which farm thing if hypersalivation, constricted pupils, sweating
Organophosphate insecticides
[cholinergic intoxication]
Most effective antipsychotic for parkinsons psychosis
Clozapine
Dark urine with pigmentation of ears and sclera
Joint pain
Alkaptonuria
SAH and hypertension 1st line
Labetalol
Which juice worst for wafarin
Cranberry
[not grapefruit]
What National insititute of health stroke scale NIHSS has a 50% risk of haemorrhagic transformation
> 15
Gottrons papules
Cyanide poisoning rx
dicobalt edetate
PFO with TIAs rx
Closure of PFO
what is the trio of miller fisher
Ophthalmoplegia
Ataxia
Areflexia
which diretics -> gout
Thiazides -> reduce renal uric acid excretion
weakness of what causes winging of the scapular
serratus anterior
where are the red macules and papules in fabry
peri umbilical
RTA and now dizziness when moves head
BPPV
Sclerosis sx positive anti centromere why SOBOE
Pulmonary artery HTN
[Fibrosis if positive anti-topoisomerase]
30 with some ataxia then sudden deterioration CT demonstrates hydrocephalus?
haemangioblastoma in cerebellum
Dermatomes c5-t1
Dermatome C7 extends to the middle finger and divides dermatomes C5 and C6 (lateral) from C8 through T1 (medial).
C5: lateral aspect of arm
C6: lateral aspect of forearm and hand
C7: middle finger and ray
C8: medial aspect of hand
T1: medial aspect of forearm
Dermatomes L2-S5
2, 3, 4, 5, stand on S1, lie on S2, sit on S3, wipe S4/S5
Slap thigh lateral then medial: L2 then L3
Slap lower legs medial then lateral: L4 then L5
Stand on sole of foot: S1
Lie on back of thigh and calf: S2
Sit on buttocks: S3
Wipe perianal area: S4, S5
Why hyperGycaemia with steroids
increased glucomeogenesis
Diabetes old shoulder injury now swelling and loss of function
Charcot joint
Want to make a Dx of common peroneal palsy
nerve conduction studies
Night blindness and sensorineural deafness =? ix?
Refsum disease
phytanic acid levels
On carbamazepine and wants to start COCP
Higher dose of COCP as carbamazepine is a liver inducer
PCI on Aspriin fonda and clopi then has a UGI bleed which shouldd you stop
Fonda only at first
[aspirin and clopi to stop stent thrombosis]
Farmer spraying crops now dowsy, profuse sweating and salivation rx?
Wash contaminated areas
Atropine + pralidoxime
]May need ventilation if no response]
Atery for parietal lobe
MCA
Confirm lambert eaton syndrome
EMG + nerve condiction
Key finding to differentiate fredricks and Charcot marine tooth
Only fredricks has dysarthria
Diarrhoea, myalgia, anterior uveitis and superficial thrombophlebitis
Bechets
Patches of hairloss with scaring and plaques behind ears / cheeks
discoid lupus
Gynecomastia medications
DISCO MTV
Digoxin
Isoniazid
Spironolactone
Cimetidine
Oestrogen
3 weeks fevers, oligoarthritis, and pericarditis
Adult onset juvenile chronic arthritis
T2DM, hypercholesterol and long standing pain and swelling
Gout
Unilateral parkinsonism with apraxia and ‘alien limb’
Corticobasal syndrome
Gym goer gets sick and needs intubated then recovers after 3 hrs
Gamma-hydroxybutyrate overdose
Cluster headache prevention
Verapamil
Bechets with DVT rx
Pred + azithro/cyclo/ciclo
What does osteomalacia look like on xray
Low density bands extending from the cortex
Wrist and ankle swelling with pustular lesions. Aspirate demonstrates lots of white cells
Gonococcal
Poor conrolled diabetes
cerebral abscess
Weakness, sensory ipsilateral sx and headache ix?
MRI brain
Homeless with HAGMA and blurred vision
Methanol poisioning
Amiodarone develops thyrotoxicosis with positive thyroid antibodies and multinodular goitre ? rx?
Amiodarone TYPE 1
Antithyroid drugs
Test for EPO abuse
Urine
Compression fracture of L4 in 74F. rx?
bisphosphonates§
Weepy unilateral reaction affecting 1 nipple rx?
Likely Padgets -> refer breast clinic
Left sided TIAs with 100% occlusion Right carotid rx?
Clopi
[complete occlusion is a CI to endarctectomy
Key ix for vertebral artery dissection
MRA
Frontal balding, myotonia, cataracts, wasting of sternocleidomastoid, dysphagia and general muscle weakness =? ix?
Myotonic dystrophy
EMG
[not biopsy]
Quads and forearm weakness
Inclusion body myositis
Pre eclampsia how to redue BP
Labetalol
[Mg is for seizure prevention]
2 key antiemetics in preg
Cyclizine
promethazine
sclerosis which antibodies highest risk for renal crisis
Anti RNA polymerase III
Amlodipine overdose rx?
Calcium chloride ….CCBs
TB rx develops this rash due to?
Isoniazid - drug-induced lupus
Better than beta interferon for MS relapse prevention
fingolimod
myasthenia best Ix
EMG
Painful swolllen joints Rx?
MTX + steroids
hypertensive stroke target systolic bp
140mmHg