neuro upper limb Flashcards

1
Q

wrist drop?
Ix?
Mx?
differential

A

radial nerve injury -

Ix
fbc - wcc, crp for any inflammatory markers GBS
imaging
Xray to ensure

fall asleep by back of arm compressed - compression of nerve
or injury on basis of fracture of humeral shaft

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2
Q

radial nerve injury

how does it present on examination

A

wrist drop
extension of forearm impacted
extension of fingers and wrist also impacted

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3
Q

Mx radial nerve injury

A

brace
cockup splint
therapy
emg and nerve studies

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4
Q

extensory digitorum

A

MCP - 2-5

flexor digitroum profundus
digitorum superficialis

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5
Q

what muscles aid in abducting and adducting the fingers?

A

lumbricals and interossei

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6
Q

median nerve

A

flexor digitorum suoerficialis
radial 1/2 flexor digitorum profundus

1/2nd lumbricals
thenar eminence - moves thumb

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7
Q

Ulnar nerve

A

ulnar 1/2 flexor digitorum profundus
3/4 lumbricals
interosseous muscles

adductor pollicis

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8
Q

Radial

A

extensor digitorum

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9
Q

claw hand?

A

injury to ulnar nerve

all interosseus muscle loss - so no abduction/adduction

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10
Q

ape hand and sign of benedicton

A

high median nerve when attempt to form a fist

ative attempt to flex digits only pinky and ring finger are flexed

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11
Q

which nerve is associated with carpal tunnel?

A

median nerve

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12
Q

carpal tunnel syndrome
cause?
features

A

idiopathic
tingling and pain lateral arm / hand
waking up from sleep/worse in morning

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13
Q

tinels sign

A

tapping nerve in carpal tunnel to elicit pain

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14
Q

hold the wrist in flexion for 60s to elicit pain ?

A

phalens manouvre

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15
Q

mx of carpal tunnel?

A

splint
steroid injection
surgical decompression

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16
Q

Indomethacin is what?

eg contraindicated in?

A

NSAID

chronic heart failure as it can cause sodium and water retention and = worsen hf

17
Q

candersartan?

A

angiotensin receptor blocker

18
Q

carvedilol

A

beta blocker

19
Q

hydralazine and isosorbide dinitrite

A

vasodilators used in HF for afro-caribbean patients

20
Q

what is the responsibility of a1at?

A

protease protects against neutrophil elastase

it can mean lungs not protected leading to cirrhosis / emphysema

21
Q

primary biliary cirrhosis is associated with what antibody?

A

anti mitochondrial antibodies

22
Q

what antibody is autoimmune hepatitis associated with?

A

anti smooth muscle and anti nuclear antibody

23
Q

what is pagets disease of breast ?

A

of breast - eczema hardening of skin

2 to breast cancer

24
Q

acute causes of pancreatitis

A

gallstone
ethanol
trauma

steroids
mumps 
autoimmune 
scorpion venom 
hyperlipidaemia / calcaemia 
ERCP 
drugs : aza, sodium valproate
25
Q

management of SVT stepwise

and if pt is asthmatics?

A

1- vagal manouveres - valsalva
6mg IV adenosine
6mg
12mg

maybe amioadarone

calcium channel blocker verapamil

26
Q

loop diuretics work where?

A

furosemide

thick ascending limb of loop of henle

27
Q

where do spironolactone work ?

A

act on collecting ducts

28
Q

Carbonic anhydrase inhibitors act on

A

proximal convoluted tubule to increase bicarbonate excretion,

29
Q

thiazide diuretic which inhibits the Na+/Cl- transporter in the ______

A

dct

30
Q

A 70 kg man has a daily sodium and potassium requirement of

A

140 mmol and 60-70 mmol, respectively.

31
Q

High CSF protein in a patient with peripheral neuropathy and myopathy is suggestive of what?

A

GBS

32
Q

hypercalcaemia

raised ESR and back pain is suggestive of?

A

multiple myeloma

33
Q

how can multiple myeloma cause nephrotic syndrome?

A

IgG light chains . amyloid fibrils so multiple myeloma

. amyloidosis

34
Q

target cells associated with?

A

liver disease
hyposplenism
codocyte

35
Q

Spherocyte

A

hereditary or autoimmune haemolytic anaemia