Emergency Y3 sem 1 Flashcards
middle meningeal artery
extradural haematoma
does not cross suture line
extradural haematoma
does not cross the midline
subdural haematoma
head injury - period of improved neuro symptoms/consciousness followed by rapid decline
extradural haematoma
ruptured bridging vein/ outermost layer of meningeal layer
subdural haematoma
head injury in elderly/alcoholics
subdural haematoma
hyperdense signal in the subarachniod space
subarachnoid haemorrhage
hyperdense biconVEX lens appearance
extradual haematoma
hyeprdense binconcave
subdural haeamtoma
ruptured berry aneurysm
SAH
UMN + LMN MND
ALS
LMN only MND
Progressive muscle atrophy
UMN only MND
primary lateral sclerosis
parkinsonism that doesnt respond to levodopa, affecting LL only
vascular parkinsonism
antipsychotic type causing metabolic syndrome
all atypicals
typical antipsychotic side effect - restlessness, restless legs
akithesia
involuntary spasms early after typical antipyschotic exposure
acute distonia
repetitive involuntary movements usually affecting face/ mouth
tardive dyskinesia
time span for tardive dyskinesia to set in
years after typical use
all of the following:
- unilateral weakness +/- sensory affecting FAL
- homogenous hemianopia
- cerebral dysfunction - dysphagia/neglect
TACS
2/3 of the following:
- unilateral weakness +/- sensory affecting FAL
- homogenous hemianopia
- cerebral dysfunction - dysphagia/neglect
PACS
one of the following:
- cranial nerve palsy + contralateral motor/sensory
- bilateral motor/sensory def
- eye movement disorder
- cerebellar dysfunction
- homonomous hemianopia
POCS
one of the following
- pure sensory stroke
- pure motor
- ataxic hemiparesis
- sensorymotor stroke
LACS
fried egg appearance on histology
oligodendrocytoma
brian tumour in frontal lobe causing seizure
oligodendrocytoma
most common primary brain tumour in kids
astrocytoma
immediate management of TIA
aspirin 300mg
temporal lobe herniates inferiorly - 3rd nerve palsy
uncal herniation
cerebellar herniaties inferiorly compression the medulla - resp depression
tonsillar herniation
Dx for LEMS
nerve conduction studies
anti-VGCC Abs
anti-vccc antibodies
LEMS
1st line for LEMS
3,4-diaminopyridine
1st line tx for Gillian barre
plasma exchange
drug to reduce SSRI side effects
mirtazipine
dry mouth + constipation
anticholinergics s/e
anticholinergic antidepressant
TCAs
1st line to assist detoxification
chlordiazepoxide
scan for parkinsonism
DaT scan
anorexia high risk
BMI<13
temp < 34
HR < 40
systolic < 80
prolonged QT
unable to rise from squat
right testicular vein drainage
IVC
left testicular vein drainage
left renal vein
high kidney is higher?
left
right is compressed by liver
adjacent layers to the kidney
- kidney
- renal capsule
- PERIrenal fat
- renal fascia
- PARArenal fat
testicular lymph drainage
para-aorta lymph nodes
spinal level of kidneys
T12-L3
IgGs directed against alpha-3 subunit of type IV collagen
anti-GBM disease
EM - cellular crescents + focal necrosis
IF - linear IgG deposits
anti-GBM
LM - spike and dome (silver stain)
IF - granular deposits along glomerular BM
membraneous glomerulonephritis
LM - mesangiel hypercellular
IF - IgA deposit in mesangium
IgA nephropathy
LM - hypercellular glomeruli, tram track appearance
MPGN - membranoproliferative glomerulonephritis
MPO / pANCA
microscopic polyangitis
+ Eosinophilic GPA
PR3/ cANCA
GPA
EM - effacement of podocyte not processes
minimal change disease
kimmelstiel wilson lesions
diabetic nephropathy
liver cysts + cerebral aneurysms
polycystic kidneys
scrotal lump associated with renal cell carcinoma
left sided varicocele
“bag of worms”
varicocele
parotid gland swelling + orchitis
mumps
quinalone S/Es
- tendonitis
- lower seizure threshold
causes of epididymo-orchitis?
- enteric organism - E.coli
- chlamydia
- ghonorrhea
- mumps
Tx of epididymo-orchitis
- olafoxacin
- levo
(quinolones)
testicular torsion picture, longer onset + fever
epididymo-orchitis
benign renal tumour
oncocytoma
malignant renal tumour
chromophobe
clear cell
papillary
collecting duct
mahogany brown + central stellate scar
oncocytoma
raisonoid nuclei
chromophobe
commonest renal cell tumours
- clear cell
- papillary renal
tumour invading renal veins + up vena cava
clear cell renal cell carcinoma
chromosome of ADPCKD
chromo 16
chromosome in ARPCKD
chromo 6
what raises PSA levels
ejaculation
prostate stim
BPH
spironolactone
prostatitis
prostate cancer grading
GLEASON
3+3 - lowest
5+5 - highest grade
crude touch + pressure
anterior spinothalamic
pain + temperature
lateral spinothalamic
DCML sensation
fine touch
proprioception
vibration
pyramidal (vol control) tracts
corticospinal
corticobulbar
tract for most voluntary movement of body
lateral corticospinal
where do corticobulbar fibres synapse
onto motor nucei of cranial nerves
DCML for T6+
lateral DCML
cuneatus
DCML for below T6
medial
fasciculus grascilis
where do anterolateral fibres decussate
basically as soon as they enter the spinal cord
where do DCML fibres decussate
medulla oblongata
party cystic tumour,
heterogenous, bright yellow
clear cell carcinoma
raisonoid nuclei, perinuclear haloes
chromophobe
gold standard for dialysis access
arterivenous fistula
mainly removes solutes via diffusion
haemodialysis
mainly removes solutes via convection
haemofiltration
methods of solute removal in haemodialysis
diffusion > convection > adsorption
MOA for peritoneal dialysis
solute removal by diffusion across peritoneal membrane
when should acute HD be administered
resistant hyperkalaemia
eGFR < 7ml/min
urea > 40 mmol/L
unresponsive or symptomatic acidosis pH 7.15
complication of hyperuricemia
disequilibrium syndrome > cerebral oedema
AKI stage 1
CR
increase > 26
increase >1.5-1.9
URINE
<0.5mL/kg/hr - 6 hours
AKI stage 2
CR
increase >2-2.9
URINE
<0.5mL/kg/hr - 12 hours
AKI stage 3
CR
>3x increase
or to > 354
URINE
<0.3mL/kg/hr - 24 hours or anuria for 12
most common stone
calcium oxalate
kidney stone not visible on XR
uric acid
stone commonly forming stag horn calculus
struvite
pathophysiology for formation of struvite stone
bacteria hydrolyse urea in urine into ammonia - forms struvite
gold standard ix for kidney stones
non contrast CT KUB
pain relief for stones
IM diclofenac
when do stones need a ‘watch and wait’ approach
if less than 5mm
medication helping spontaneous passage of stones
tamsulosin
surgical intervention for stones
- ESWL better
- ureteroscopy + laser lithotripsy available in Tayside
S/E of alpha blockers - tamulosin
postural hypotension
S/E of 5-alpha reductase inhibitors
sexual dysfunction - reduced testosterone
calculate alcohol unit
(volume ml x alcohol %) / 1000
binge drink?
6 units women
8 units men
how long for delirium tremens
24-72 hours after withdraw
how is wernicke-korsakoff prevented - alcohol withdrawal
parbinex / high dose vit B,
then long term oral thiamine
deficiency in wernickes?
B1/ thiamine
confusion
oculomotor disturbance
ataxia
wernickes - encephalopathy
memory impairment
behavioural changes
alcohol withdrawal
Korsakoff