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Y6 Senior Med COPY LaLz > Neuro 2 > Flashcards

Neuro 2 Flashcards

1
Q

Biceps reflex dermatome

A

C5, C6 PICK UP STICK

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2
Q

Triceps reflex dermatome

A

C7, C8 Shut the gate

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3
Q

Dermatomal patch covering the regimental pat h

A

C5

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4
Q

dertmatome to thumb

A

C6

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5
Q

Dermatome to middle finger

A

C7

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6
Q

dermatome to little finger

A

C8

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7
Q

dermatome to medial elbow

A

T1

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8
Q

Where must you touch for UL dermatomal sensation

A

axilla (c5)
thumb (C6)
middle (C7)
little finger (C8)
inside of elbow (T1)

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9
Q

what nerve roots make up the mussculocutaneous nerve

A

C5-C7

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10
Q

fuction of musculocutaenous

A

innervates biceps, brachialis, coracobrachialis > flexion of arm at elbow

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11
Q

nerve roots of median nerve

A

C7-T1

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12
Q

function of median N

A

SENSORY to lat 3.5 fingers
MOTOR to anterior forearm and LOAF muscles of hand (flexion of wrist, thenar eminence)

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13
Q

nerve roots of axillary

A

C5, C6

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14
Q

functions of Axillary N

A

Motor to teres minor and deltoid (abduction of arm beyond first 15 degrees)

Sensory to reegimental patch

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15
Q

Radial nerve roods

A

C5-T1

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16
Q

function of radial nerve

A

posterioor arm and forearm muscles
cutaneous to possterior arm / forearm and dorsal lat 3.5 fingers

17
Q

How do you check radial, median and ulnar nerve sensation in the hand

A

Radiial: side of thumb
median: medial 3.5 fingers
ulnar: at 1.5 fingers

18
Q

how od you commonly damage musculocutaenous nerve

A

breast surgery

19
Q

cause of lateral medullary syndrome

A

OCCLUSION of POSTERIOR INFERIOR CEREBELLAR AARTERY

20
Q

sx lateral medullary syndrome

A

cerebellum:
- ataxia
- nystagmus

brainstem:
- ipsilat: dysphagia, facial numbness, HOrners
- contralat: limb sensory loss

21
Q

when should you refer for specialist review someone with TIA

A

<24h if within 7 days since FIRST TIA
><7 days if more than 7 days from first TIA

22
Q

what should you do if pt presents with more than one TIA

A

CRESCENDO TIA > you need to admit and invesitgatw

23
Q

when should you admit and investigate someone with TIA

A
  • crescendo TIA (more than 1)
  • suspected cardioembolic source
  • severe carotid stenosis
  • patient on warfarin / doac or with bleeding disoorder
24
Q

what must you do if hhaemorrhagic transformation in TIA

A

STOP all anticoagulants
lower BP

25
Q

what does a contralateral homonymous hemianopia with macular sparing suggest?

A

that the lesion is in the occipital cortex

26
Q

how can you tell the difference between prolactimona and craniopharyngioma causing a bitemporal hemianopia

A

prolactinoma: UQ> LQ
craniophharyngioma: LQ>UQ

27
Q

features of neuroleptic malignant syndrome

A

Confusion
Autonomic lability (hypertension, tachycardia and tachypnoea)
Rigidity
Pyrexia

28
Q

what investigations must you do for BELL’s

A

NONE - usually clinical dx

29
Q

what does WHITE on head CT mean

A

HYPERDENSE region = acute clotted blood, from haemorrhage

30
Q

what does BLACK on head CT mean

A

HYPODENSE (dark) region = ishaemic infarct, chronic clotted blood

31
Q

differentials for cerebellar disease

A

V- stroke (vertebrobasilar)
i - encephalitis, abscess
T - Trauma (raised ICP)
A - MS, Paraneoplastic cerebellar dege
M - ethanol, poisons,
N- Posterior fossa tumour

32
Q

ix for cerebellar disease

A

Bloods: ETOH, FBC, UE, LFT, CLotting, Ceruloplasmin (Wilson)

ECG (arrythma)
CSF (oligoclonal bands for MS)
MRI (posterior cranial fossa)

33
Q

what do you see on NC CT for ischaemic stroke

A

hyperdense artery
loss of grey white matter interface
hypodense area

34
Q

how do you treat trigeminal neuralgia

A

carbamazepine

35
Q

complex regional pain sydrome fts

A

PORTS:
Pain
Oedema
Restriction of Movement
Temperature/ colour change
Stiffness

36
Q

what is pituitary aapopexy

A

sudden enlargement of the pituitary gland
usually due to haemorrhage or infarction of tumour

37
Q

fts of pituitary apopexy

A

sudden onset headache similar to that seen in subarachnoid haemorrhage
vomiting
neck stiffness
visual field defects: classically bitemporal superior quadrantic defect
extraocular nerve palsies
features of pituitary insufficiency
e.g. hypotension/hyponatraemia secondary to hypoadrenalism

38
Q

how do you manage pituitary apopexy

A

steroids URGENTLY to replace lack of AACTH
fluid balance > surgery

Y6 Senior Med COPY LaLz (29 decks)

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