Medical Shorts Flashcards

(41 cards)

1
Q

Types of vasculitis

A

Large vessel:
temporal arteritis
Takayasu’s arteritis

Medium vessel:
polyarteritis nodosa
Kawasaki disease

Small vessel:
ANCA-associated vasculitides (Wegener’s, Churg-Strauss, microscopic polyangiitis)
Henoch-Schonlein purpura
cryoglobulinaemic vasculitis

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2
Q

Features of RA on XRAY?

A
LESS
Loss of joint space
Erosions
Soft tissue swelling
Soft bones (Periarticular osteopenia)
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3
Q

Extra articular features of RA

A

aNTI CCP OR RF

Nodules
Tenosynovitis
Immune: vasculitis, amyloidosis
Carditis
Carpal tunnel
Pulmonary fibrosis
Ophthalmic: episcleritis, sjogren's
Raynaud's
Felty's
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4
Q

Blood tests for RA, what is the autoimmune process?

A

FBC: Low Hb and PMN
High ESR and CRP
RF, anti-CCP, ANA, HLA DR3/DR4

RF is IgM against Fc portion of own IgG. Higher titres associated with worse prognosis

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5
Q

Xray features of RA

A
SOLE 
Soft tissue swelling
Osteopenia
Loss of joint space
Erosions
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6
Q

Dx criteria and Tx of RA

A

Dx: American College of Rheumatology Criteria, 4/7 features

MDT; conservative medical surgical

Medical
Analgesia
Steroids
DMARDs
Biologicals
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7
Q

DMARDs and biologicals used in RA

A

DMARDs:
Methotrexate
Sulfasalazine
Hydroxychloroquine

Biologicals
Anti-TNF; infliximab, etanercerpt
B-cell depletion: rituximab

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8
Q

What is tuberous sclerosis?

A

Tuberous sclerosis is a rare, multi-system genetic disease that causes benign tumours to grow in the brain and on other vital organs

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9
Q

Features of tuberous sclerosis

A
ASHLEAF
Ashleaf spots
Shagreen patches
Heart rhabdomyosarcomas
Lung hamartomas
Epilepsy
Angiomyolipomas in kidney
Face angiofibromas
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10
Q

Ix for tuberous sclerosis?

A

Skull films: railroad track calcification
CT/MRI brain: tuberous masses in cortex
Abdo US: renal cysts
Echo: cardiomyopathy

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11
Q

Features and complications of NFT?

A

Skin: neurofibromas, cafe au lait spots, axillary freckling, lisch nodules in iris

Complications: Hypertension, epilepsy, learning difficulties, scoliosis

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12
Q

Differentials for neurofibromatosis?

A

McCune Albright

Tuberous sclerosis

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13
Q

Features of scleroderma

A
CREST MFHH
Calcinosis
Raynaud's
Esophogeal dysmotility
Sclerodactyly
Telangectasia
Microstomia
Fibrosis of lungs
Pulmonary HTN
HTN
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14
Q

Classification of scleroderma

A

Localised
Systemic:
- Diffuse
- Limited (including CREST, is below elbows knees and face)

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15
Q

Ix for scleroderma

A

Bedside:

  • urine show proteinuria and haematuria
  • ECG: RV strain

Bloods:

  • ANA
  • Anti centromere (limited)
  • Anti Scl-70 (diffuse)

Imaging:
CXR/HRCT: fibrosis
Echo: pulmonary HTN

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16
Q

Mx of scleroderma

A

Manage different features; MDT approach with GP, rheumatologist, pulmonologist, cardiologist

Specific: immunosuppression for organ involvement or progressive skin disease

Raynauds: gloves, CCBs and prostacyclin infusion if severe

Renal: aggressive BP control

Reflux: PPIs

Pulmonary hypertension: sildenafil

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17
Q

Features of SLE

A

SOAP BRAIN MD

Serositis
Oral ulcers
Arthritis
Photosensitivity

Blood anaemia
Renal proteinuria
ANA +ve
Neurology (chorea + focal)

Malar rash
Discoid rash

18
Q

What is SLE? Mainstay of mx?

A

SLE is a multisystem inflammatory disease characterised by a T3 hypersensitivity reaction against circulating immune complexes

Mx: MDT with steroids +/- azathioprine

19
Q

Key investigations in SLE

A

Raised ESR, low C3 and C4 in disease activity

Antibodies:
ANA
dsDNA
Anti cardiolipin and lupus anticoagulant

20
Q

Features of ankylosing spondylitis?

A

Morning stiffness
Back pain relieved by exercise
Thoracic kyphosis and neck hyperextension; question mark posture
Reduced ROM through spine

21
Q

Findings on examination of ank spond

A

Increased occiput to wall distance >5cm
Schober’s test <5cm
Reduced chest expansion

22
Q

Extra articular features of ankylosing spondylitis

A
Anterior uveitis
Apical pulmonary fibrosis
Aortic regurgitation
Achilles tendonitis
Atlanta axial subluxation
23
Q

What are the seronegative arthropathies?

A
PEAR
Psoriatic arthropathy
Enteropathic arthritis
Ank spond
Reactive arthritis
24
Q

Ix for ank spond?

A

Bloods: ESR, CRP, HLA-B27

Imaging
Spine XRAY: Bamboo spine, sacroileitus
CXR: fibrosis

DEXA scan: osteoporosis

25
What is gout?
Asymmetrical oligoarthritis of small joints of hands and feet, caused by the deposition of urate crystals in the synovium. It is caused by chronic hyperuricaemia
26
Gout vs pseudogout
Gout: negatively bifringent needle shaped crystals, urate crystals Pseudogout: positively bifringent, calcium pyrophosphate crystals
27
Causes of gout
``` Urate excess: Drugs Drinking Diet: purine rich foods Decreased excretion: CRF Death of cells; leukaemia, lymphoma, psoriasis ```
28
Gout mx
Acute: pred, indomethacin, diclofenac, colchicine Chronic: allopurinol
29
Acromegaly features
Hands: spade like, tight rings, sweaty and boggy if active Arms: HTN Face: coarse facial features, prominent supra orbital ridges, macroglossia, prognathism, widely spaced teeth Extras: acanthosis nigerians, goitre, organomegaly, bitemporal hemianopia
30
acromegaly Ix
Bedside: urine dip for glycosuria Bloods: IGF-1, OGTT (fails to suppress GH), pituitary hormones (test, TFT) Imaging: CXR showing cardiomegaly MRI showing pituitary adenoma
31
management of acromegaly
1st line: trans sphenoidal excision, complications include meningitis, diabetes insipidus, panhypopituitarism ``` 2nd line: medical therapy: somatostatin analogues (octerotide) GH antagonists (pegvisomant) Da agonists (cabergoline) ``` 3rd line: radiotherapy
32
Osler Weber Rendu features
Autosomal dominant disease Multiple telangiectasia AVMs in lungs, liver and brain Complications: haemorrhage
33
Peutz Jeghers features
Small pigmented macule on lips, oral mucosa, palms and soles Autosomal dominant mutation causing mucocutaneous macules and GI hamartomatous polyps and pancreatic endocrine tumours Complications: high cancer risk
34
Cushing's syndrome investigations
Bedside; - Urine dip; glycosuria Imaging: - MRI pituitary fossa Special tests: - 24 hour urinary free cortisol (loss of diurnal variation) - High dose dexamethasone suppression test - ACTH levels
35
Mx of Cushing's disease
Treat cause, i.e. adrenalectomy or tumour excision BP control DM control Biphosphonates
36
Causes of Cushing's syndrome
ACTH independent - Iatrogenic steroids - Adrenal adenoma/carcinoma/hyperplasia ACTH dependent - Cushing's disease - SCLC
37
Addison's disease features What Sx might they complain of?
Hyperpigmentation Postural hypotension Signs of AI disease +/- TB Dizziness, faints, lethargy, wt loss and anorexia
38
Causes of Addison's
Other AI disease; DM | Tuberculosis
39
Ix for Addison's
Bloods - Low Na and glucose - Anti 21 hydroxylase abs - SynACTHen test; no increase in cortisol
40
Mx of acute addisonian crisis
0.9% normal saline rehydration 100mg IV hydrocortisone Rx cause
41
Indications for steroids in sarcoidosis?
- patients with chest x-ray stage 2 or 3 disease who have moderate to severe or progressive symptoms - hypercalcaemia - eye, heart or neuro involvement