Last week key info Flashcards
In a haemorrhagic stroke what happens in response to high intracranial pressure
Cushing’s triad
Name Cushing’s triad, and when it is seen
In haemorrhagic stroke causing raised intracranial pressure
Bradycardia
Hypertension
Irregular respiration
What is the treatment for raised intracranial pressure (haemorrhagic stoke - Cushing’s triad)
Mannitol - osmotic diuretic
Name the stroke that occurs in the basal ganglia
Intracerebral
Where does an intracerebral stroke occur
Basal ganglia
What is the main risk factor for an intracerebral stroke
Hypertension
What is seen on a non-contrast CT head of a intracerebral stroke
Hyper density (fresh red blood)
Midline shift if large
What is the general management of haemorrhagic strokes except one
ABCDE management
Supportive management
Burr-Hole craniotomy
What stroke has a different management than other strokes
Subarachnoid
Summarise a intracerebral stroke
Occurs
Main risk factor
Seen on Non-contrast CT head
Occurs - basal ganglia
Main rf = hypertension
Hyper density (fresh blood)
Midline shift if large
What are the main risk factors of a subarachnoid stroke
Berry aneurysms - anterior communicating artery
PKD
Which stroke would berry aneurysms/PDK be a risk factor
Subarachnoid
What artery do berry aneurysms affect
Anterior communicating
What stroke is described as a thunderclap headache
Subarachnoid
Describe the investigations of a subarachnoid
Non-contrast CT head - after 48 hours - star sign (cistern and ventricles), hyperdense
Lumbar puncture (12 hours after) - bilirubin to breakdown - xanthochromia
In a subarachnoid haemorrhage how long do you wait before doing a CT head
48 hours
Star sign
Which type of stroke has a star sign
Subarachnoid
What is seen on a lumbar puncture of subarachnoid haemorrhage
Xanthochromia
Describe the treatment of a subarachnoid haemorrhage
Nimodipine (CCB) - prevents vasospasm
Surgery (coiling)
Define a subdural stroke
Dura mater and arachnoid mater
What type of stroke is caused by rupture of the bridging veins
Subdural
What are the 3 reasons there are rupture of the bridging veins and what stroke is it seen in
Subdural
Brain atrophy elderly
Alcohol abuse (brain walls thinner)
Shaken baby
Describe the CT scan of a subdural stroke
Hypodense (old blood)
Crescent shaped (concave)
Bleeding occurs across suture lines
Midline shift
What stroke shows concave (crescent shaped) CT
Subdural
Summarise a subdural stroke
Cause
CT head
Rupture of the bridging veins - elderly, shaken baby, alcohol abuse
Hypodense, concave (crescent shaped), crosses suture lines
Summarise a extradural stroke
Where
Symptoms
CT head
Middle meningeal artery - skull fracture low impact
Lucid interval
Hyperdense (fresh)
Lemon shaped (convex)
Not cross suture lines
Midline shift
What type of stroke causes a lemon shaped (convex)
Extradural
What type of stroke causes a lucid interval
Extradural
Define Bamford classification - total anterior circulation stroke (TACS)
ALL 3
Unilateral weakness
Homonymous hemianopia
Dysphasia, visuospatial disorder
Define Bamford classification - partial anterior circulation stroke (PACS)
2 OF (same category as TACS)
Unilateral weakness
Homonymous hemianopia
Dysphasia, visuospatial disorder
Define Bamford Classification - lacunar stroke
ONE of
Pure sensory
Pure motor
Sensori-motor
Ataxic
No loss of higher
Small vessel disease
Define Bamford Classification - Posterior circulation syndrome (POCS)
One of
Cranial nerve palsy
Bilateral motor/sensory deficit
Gaze (conjugate eye movement)
Cerebellar dysfunction e.g. vertigo
Isolated hemianopia or cortical blindness
What are the 2 tools of strokes
FAST - community
ROSIER - hospital
What stroke do you not want to lower BP and why
Ischemic
Do not want to decrease perfusion to the brain
Describe the management of ischaemic stroke
< 4.5 hours = thrombolysis with alteplase
< 24 hours = medical thrombectomy
Describe the rules on driving after a TIA/stroke
No driving 1 month following a stroke/TIA no need to inform DVLA
Name 2 investigations and why in TIA strokes
MRI head - within 24 hrs
Carotid doppler - determine of suitable for carotid endarterectomy if > 70%
What % occlusion makes a patient suitable for a carotid endarterectomy
> 70%
Describe the management of a review in a TIA
1 or more TIA = urgent seen
Suspected TIA < 7 days = within 24 hours
Suspected TIA > 7 days = within 7 days
Describe the medical management of TIA
Immediate 300mg aspirin
Already on aspirin - wait for review
If on anticoagulant = CT head - check for bleeding
Describe features of Guillain-Barre Syndrome
Symmetrical + ascending muscle weakness
Name the key cause of Guillain-Barre Syndrome
Autoimmune to campylobacter jejuni (gastroenteritis)
What antibody is associated with Guillain-Barre Syndrome
Anti-GM1
Describe the 2 investigations of Guillain-Barre Syndrome
Brighton criteria
Lumbar puncture
What is seen on a lumbar puncture of Guillain-Barre syndrome
Increased protein
Normal WCC + glucose
What is the management of Guillain Barre syndrome
IV IG or plasma exchange
Describe Miller Fisher Syndrome
Variant of GBS
Triad
- ophthalmoplegia
- ataxia
- areflexia
What is a key complication of Gulilain-Barre syndrome and how do you measure it
Resp failure
Monitor FVC
What type of hypersensitivity reaction is multiple sclerosis
4
Name the 3 key symptoms of multiple sclerosis
Optic neuritis
Uthoff’s phenomenon
Lhermitte’s sign
Define Uhthoff’s phenomena
Symptoms worse after heat e.g. shower
What condition may a patient complain that the symptoms are worse after heat e.g. a hot shower
Multiple sclerosis
Uhthoff’s phenomenon
Define Lhermitte’s sign
Electric shock sensation down the spine when flexing the neck
What criteria is used in multiple sclerosis
McDonald’s criteria
Describe McDonalds criteria
> 24 hours apart
Disseminated in time > 1 month apart
Disseminated by space - MRI scan (visualise lesion)
Describe the treatment of acute relapse of multiple sclerosis
Corticosteroids e.g. methylprednisolone
Describe the long term management of multiple sclerosis
Natalizumab, interferon-beta, fingolimod
Define sensitivity
Ability of a test to correctly identify people with the disease
Define specificity
Ability of a test to correctly identify people without the disease
What condition causes ‘worse with activity (fatigability) improves with rest
Myasthenia Gravis
Define myasthenia gravis
Worse with activity. Improves with rest
AchR antibodies - bind to post synaptic receptors of the neuromuscular junction = block and prevent acetylcholine binding
What is myasthenia gravis associated with
Thymomas
What is the GS investigation in myasthenia gravis
AchR (acetylcholine receptor antibodies)
What is the 1st line management of myasthenia gravis
Pyridostigmine
Long acting acetylcholinesterase inhibitor
Name a complication of myasthenia gravis and describe it and why it occurs
Myasthenic crisis
Illness can cause acute worsening of symptoms
Resp failure - measure ABG, FVC
Treatment - IV IG + plasmapheresis
Define lambert Eaton syndrome
Autoimmune affects neuromuscular junction
Muscle contractions get stronger with use
Describe the pathophysiology of lambert eaton syndrome
Antibodies against voltage-gated calcium channels in presynaptic membrane of neuromuscular junction
Less acetylcholine release into the synapse
What is lambert eaton syndrome associated with
Small cell lung cancer
What is the GS investigation for lambert eaton syndrome and what would be seen
EMG
Incremental response to repetitive electrical stimulation
What does motor neurone disease not affect
The eyes
What is the diagnosis of MND
Diagnosis of exclusion
What is the treatment of MND
Riluzole - glutamate antagonist
+ non-invasive ventilation
Describe the presentation of Parkinson’s disease
Male 70 + TRAP BF
Tremor - resting tremor
Rigidity - cogwheel rigidity
Akinesia - lack of movement
Postural instability
Bradykinesia - slow and small movements
Festination’s - shuffling gait
What is the mnemonic used to remember the symptoms of Parkinson’s
TRAP BF
Tremor - resting tremor
Rigidity - cogwheel rigidity
Akinesia - lack of movement
Postural instability
Bradykinesia - slow and small movements
Festination’s - shuffling gait
What does TRAP BF stand for
Tremor - resting tremor
Rigidity - cogwheel rigidity
Akinesia - lack of movement
Postural instability
Bradykinesia - slow and small movements
Festination’s - shuffling gait
Symptoms of Parkinson’s
Name the treatment for Parkinson’s
Levodopa +peripheral decarboxylate inhibitor (carbidopa) = co-carbidopa
Name the symptoms of Parkinson’s plus syndrome
Multiple system atrophy
Progressive supranuclear palsy
Dementia Lewy Body
Corticobasal degeneration
Describe the cause of Huntington’s Disease
Degeneration of the nerve cells in the brain
Autosomal dominant - mutation in Huntington (HTT) gene on chromosome 4
Describe why anticipation occurs
Earlier + more severely due to unstable triplet repeat
Name the symptoms of Huntington’s Disease
Chorea
Dysarthria
Dysphagia
Personality changes - irritable, outburst, impulsiveness
Name 3 medications which can help with chorea
Dopamine depleting agent - tetrabenazine
Benzodiazepines - diazepam
Anti-psychotics - olanzapine, risperidone
How is a AKI confirmed
One of
Rise in serum creatinine > 28 micromol/L within 48 hours
> = 50% rise in serum creatinine in 7 days
Urine output < -0.5ml/kg/hour for more than 6 hours
Describe how an AKI is diagnosed off urine criteria
Urine output < 0.5ml/kg/hour
Stage 1 > 6 hours
Stage 2 > 12 hours
Stage 3 > 24 hours or 12 hour anuria
Describe how an AKI is diagnosed off creatinine criteria
Stage 1 - Rise in creatinine > 28 micromol/L in 48 hours
OR
Rise in serum creatinine in last 7 days by
Stage 1 - 50-99%
Stage 2 - 100-199%
Stage 3 - > 200% / creatinine > 354 micromol/L with one other criteria
What is the main cause of an intrinsic AKI
Acute tubular necrosis
Name 7 nephrotoxic drugs
Aminoglyside antibiotics e.g. gentamycin
ACE-i
ARB
Bisphosphonates
NSAIDs
Loop diuretics
Lithium
Name 2 drugs which are renally excreted and should be stopped where possible in an AKI
Metformin
Opiates
What are the functions of the kidney
A WET BED
Acid-base balance
Water removal
Erythropoiesis
Toxin removal
Blood pressure control
Electrolyte balance
Vitamin D activation
What is the mnemonic for remembering kidney functions
A WET BED
Define eGFR
Total amount of fluid filtered through all functioning kidney nephrons within a set unit of time
Based of age, sex etc
Describe the diagnosis of CKD
One of
eGFR < 60ml/min/1.73^2 > 3 months
Urine ACR (albumin: creatinine ratio) > 3 mg/mmol
Presence of kidney damage markers
What does A score indicate
Proteinuria
Describe the main symptoms seen in nephritic syndrome
HOPS (2XHs)
Haematuria
Hypertension
Proteinuria
Oliguria
Describe the main symptoms seen in nephrotic syndrome
HOP
Hypoalbuminemia
Oedema
Proteinuria > 3g/24 hour - measure protein: creatinine ratio
What is the general management of nephritic syndrome
Will see increased CRP and ESR
BP control - ACEi/ARBs
Corticosteroids - inflammation
What is the general management of nephrotic syndrome
Fluid restriction
Loop diuretics - furosemide
ACEi/ARB
Treat cause
Name the conditions which are nephritic
IgA nephropathy
Goodpasture’s
Post-strep
Henoch Schoenlein purpura
SLE
IgA nephritic or nephrotic
Nephritic
Goodpasture’s nephritic or nephrotic
Nephritic
Post-strep nephritic or nephrotic
Nephritic
Henoch Schoenlein purpura nephritic or nephrotic
Nephritic
SLE nephritic or nephrotic
Nephritic
IgA nephropathy
Definition
Symptoms
Investigation
Treatment
Deposition into mesangium
Asymptomatic - microscopic haematuria
Diagnosis = biopsy
General management. > 6 months and persistent proteinuria = fish oil + steroids
Goodpasture’s
Definition
Symptoms
Investigation
Treatment
Autoantibodies to type IV collagen in glomerular + alveolar membranes
SOB, oliguria < 400mL a day
Anti-GBM + biopsy
Plasma exchange, steroids
What is the antibody present in Goodpasture’s
Anti-GBM
Henoch Schoenlein purpura
Definition
Symptoms
Investigation
Treatment
Small vessel vasculitis - effect kidney + joint due to IgA deposition
Purpuric rash on legs, joint pain
Clinical + confirm with biopsy
Corticosteroids, BP
SLE
Definition
Symptoms
Investigation
Treatment
Multisystem disorder
Rash, arthralgia, kidney failure
Anti-nuclear (ds-DNA)
Immunosuppression
What antibody is seen in SLE
Anti-nuclear (ds-DNA)
Name conditions which are secondary to nephrotic syndrome
DDANI
Diabetes
Drugs
Autoimmune
Neoplasia
Infection
Name 2 complications of nephrotic syndrome
Hyperlipidaemia = high cholesterol to compensate for albumin = statins
VTE = Increased clotting factors = heparin
Name the nephrotic syndromes
Minimal change disease
Focal segmental glomerulonephritis
Membranous nephropathy
Minimal change disease
Definition
Investigation
Treatment
Idiopathic nephrotic syndrome
Biopsy - electron microscopy = appearance normal,, function abnormal
Prednisolone
Focal segmental glomerulonephritis
Definition
Causes
Investigation
Treatment
Most common cause
Causes scaring in the kidneys filtering units.
Caused by idiopathic or secondary - HIV, malaria, heroin, lithium
Biopsy - microscopy = scaring of the glomeruli
Steroids, ACEi/ARBs
Membranous nephropathy
Definition
Investigation
Treatment
Immunoglobulin mediated
Renal biopsy - thickened basement membrane
Antiphospholipid A2 receptor antibody (80% patients)
Steroids - prednisolone, ACEi/ARBs, cyclophosphamide
What antibody is linked to membranous nephropathy
Antiphospholipid A2 receptor antibody
In BPH what cells does it affect
Stromal and epithelial cells of the prostate
What is the DRE of BPH
Enlarged, smooth, symmetrical
What are the 2 factors influencing BPH
Static = increase in tissue = narrowing of urethral lumen
Dynamic = increase smooth muscle tone mediated by alpha-adrenergic receptors
Name 3 treatments for BPH
Tamsulosin - alpha blocker (alpha 1 receptor antagonist)
Finasteride - 5-alpha reductase inhibitor
Surgery - transurethral resection of prostate (TURP)
Describe the mechanism of action of tamsulosin
BPH
Alpha blocker - alpha 1 receptor antagonist
Relaxes smooth muscle - relieve symptoms
Describe mechanism of action of finasteride
BPH
5-alpha reductase inhibitor
Slowly reduces the size of the prostate
What type of cancer is prostate cancer
Adenocarcinoma
Name the investigations of prostate cancer
Transrectal biopsy of prostate
DRE - asymmetrical, irregular, firm prostate
Describe the management of prostate cancer
GnRH agonist e.g. leuprolide
Androgen receptor blocker - bicalutamide
Radiotherapy
Prostatectomy
What type of cancer is bladder cancer
Transitional cell carcinoma
Aromatic dyes
Name the symptom of bladder cancer
Painless haematuria
Name the investigation for bladder cancer
Cystoscopy + biopsy
Name the management of bladder cancer
TURBT- trans urethral removal of baldder tumour (+/-) intravesical chemo for non-muscle invasive
What type of cancer is testicular
Germ cells in the testes
Seminomas
Non-seminomas (younger)
Describe the symptom of testicular cancer
Lump - dull ache, pain or heaviness
Describe the investigation of testicular cancer
Histology after orchidectomy
AFP = non-seminoma
What is the GS management of testicular cancer
Orchidectomy +/- chemotherapy
Would result in infertility
Testicular torsion - Summarise
Define
Symptoms
Risk factors
Investigations
Management
Acute onset of severe unilateral pain - triggered by activity
Prehn’s sign - absence of cremaster reflex
Ball clapper deformity
Medical emergency. US = spiral appearance to spermatic cord or blood vessels
Surgical
Describe Prehn’s sign
Absence of cremaster reflex
Positive = testicular torsion
What sign is used in testicular torsion
Prehn’s sign
Describe the management of testicular torsion
Nil by mouth
Analgesia
Surgical exploration
- orchiopexy
- orchiectomy
Epididymal cyst - summarise
Define
Symptoms
Risk factors
Investigations
Management
Asymptomatic/lump - soft, round lump at top of testes (head of epididymis)
Middle aged men
US Scrotal
Removal if painful
Surgery - avoided in young men - infertility
Hydrocele - summarise
Define
Symptoms
Risk factors
Investigations
Management
Collection of fluid within tunica vaginalis
Painless, soft, swelling lump - water filled balloon
Common - premature, injury, connective tissue disorder
Testicle palpable with hydrocele, transilluminated
Large/symptomatic = surgery - aspiration, sclerotherapy
Idiopathic = conservative
What are the potential causes of hydrocele
Idiopathic or secondary to - testicular cancer, Epididymo-orchitis, inguinal hernia
What scrotal disease may present was a painless, soft swelling like a water balloon
Hydrocele
What scrotal disease may present as unilateral pain with a positive Prehn’s sign
Testicular torsion
What scrotal disease may present as a soft, round lump at the top of the testes
Epididymal cyst
What scrotal disease may present as a throbbing, dragging, worse on standing, disappears when lying down
Varicocele
Varicocele - summarise
Define
Symptoms
Risk factors
Investigations
Management
Dilated pampiniform plexus = increased resistance + incomplete valves in testicular vein
Throbbing, dragging. Worse on standing, better when laying down. Bag of worms
Tall/low BMI
Doppler ultrasound (diagnosis is usually clinical)
Conservative unless very painful - surgery
Left sided varicocele may by indicative of what condition
Renal cell carcinoma
Describe testicular appendage torsion
Remnant of Mullerian duct
Blue dot sign
Boys 7-12
Describe the difference between testicular torsion and appendage torsion
Testicular torsion = twisting of spermatic cord cutting off blood flow to testicle. Medical emergency
Appendage torsion = affects extra appendage of the testicle (not testicle itself). Pain = less severe. Resolves on own
What scoring system is used in prostate cancer
Gleason’s grading score
How differentiated the cells are from ‘normal’, the amount of cell atypia
How do you remember the typical pathogens of a UTI
KEEPS
Klebsiella
E.coli (most common)
Enterococcus species
Proteus species/pseudomonas
Staphylococcus aureus/staph. saprophyticus
What does KEEPS stand for
Typical bacteria causing UTI
Klebsiella
E.coli (most common)
Enterococcus species
Proteus species/pseudomonas
Staphylococcus aureus/staph. saprophyticus
Why are women more susceptible to cystitis
Shorter urethra than men
Closer proximity of urethral opening to anus
What age group may be non-specific for symptoms of UTI - what may the symptoms be
Fever
New urinary incontinence
New or worsening delirium
What is the GS investigation for UTI
MSU/CU microscopy, culture and sensitivity testing
Describe antibiotics given for a UTI in pregnancy
NO 1st trimester - Trimethoprim - inhibits folate
NO 3rd trimester - Nitrofurantoin - risk of neonatal haemolysis
When can trimethoprim NOT be given for a UTI in pregnancy and why
NOT in 1st trimester
Inhibits folate
When can Nitrofurantoin NOT be given for a UTI in pregnancy and why
NOT in 3rd trimester
Risk of neonatal haemolysis
What is the triad of symptoms in pyelonephritis
Unilateral flank pain
N&V
Fever
How is the diagnosis of pyelonephritis made
Loin pain +/- fever + positive urine culture
What is urethritis caused by
STI - gonococcal/ non-gonococcal
Post traumatic
Describe the symptoms of urethritis
Dysuria
Urethral discharge = main
Pruritis
Define urethritis
Inflammation/infection of urethra
What is used to test for gonorrhoea or chlamydia
NAAT - nucleic acid amplification test
Define Epididymo- orchitis
Inflammation or infection in epididymis + testicles on one side
What are the causes of Epididymo - orchitis
E.coli
Chlamydia
Gonorrhoea
Mumps
What are the symptoms of Epididymo - orchitis
Testicular pain
Urethral discharge
Dragging/heavy sensation
What is an extra test that may be done for epididymo - orchitis
Salvia mumps - serum antibodies
IgM = acute
IgG = previous
Define prostatitis
Inflammation or infection of prostate with evidence of recent or ongoing infection
Common cause = e. coli
Name the management of prostatitis
Acute - 2-4 weeks oral antibiotics
Chronic = alpha blockers e.g. tamsulosin
Define nephrolithiasis
Stones in the collecting ducts - deposited anywhere renal pelvis to ureter
What is the most common renal stone and name the other causes
Calcium oxalate
Others
Calcium phosphate
Uric acid
Struvite
Cysteine
What is a key symptom of renal colic
Colicky loin to groin pain in peristaltic waves
Describe the management of renal stones
< 5mm = pass spontaneously
> 5mm
Extracorpeal shock wave lithotripsy (ESWL) - break smaller fragments using shock waves
Percutaneous nephrolithotomy (PCNL) - percutaneous access, use nephoscope to remove stones
What are the two forms of PKD
Autosomal dominant = more common
- PKD1 - 16 (85%)
- PKD2 - 4 (15%)
Autosomal recessive
- PKHD1 - 6
- Severe
- Often picked up on antenatal scans
- End stage renal failure before adulthood
How is diagnosis of PKD made
Renal ultrasound + genetic testing
What is th prognostic factor for PKD
Fasting lipid profile
What is the management of autosomal dominant PKD
Tolvaptan
Vasopressin receptor antagonist - can slow development of cysts + progression to renal failure
What bacteria causes chlamydia
Chlamydia trichromatic bacteria
Name the 1st line treatment for chlamydia
Doxycycline for 7 days oral
CI pregnancy/breastfeeding
Name the 2nd line treatment for chlamydia
Azithromycin oral for 3 days
What causes gonorrhoea
Neisseria gonorrhoea
-ve diplococci
What is the treatment for susceptibility known gonorrhoea
1x ciprofloxacin 500mg oral
What is the treatment for susceptibility unknown gonorrhoea
Ceftriaxone 1g IM
What STI causes reactive arthiritis
Chlamydia
Gonorrhoea causes septic arthritis
What are the stages of syphilis
Primary - ulcer
Secondary - symmetrical, non-itchy, maculopapular rash
Tertiary - neurological, cardiovascular, Guthmata syphilis
What is the test for syphilis
Dark field microscopy + PCR
What is the treatment for syphilis
1x IM penicillin
3 weeks (1x a week) if late
Name 2 crystal arthropathy’s
Pseudogout
Gout
What crystals are seen in gout
Monosodium urate crystals
What crystals are seen in pseudogout
Calcium pyrophosphate dihydrate crystals
What is an xray finding in pseudogout
Chondrocalcinosis - white line hovering in the space in the middle of the joint space
Describe the treatment of pseudogout/gout in an acute attack
1st line - NSAIDs e.g. naproxen + PPI
2nd line - colchicine - run before walk - severe diarrhoea suggests toxicity
3rd line - steroids
Describe the prophylaxis of gout/pseudogout
Xanthine oxidase inhibitors - lower uric acid levels. 2-3 weeks after attack
- Allopurinol
- Febuxostat
+ lifestyle changes
What can happen in the prophylaxis of gout/pseudogout
Paradoxical affect
Can trigger gout flare - offer colchicine or NSAIDs to cover
Define the diagnosis of osteoarthritis
Diagnosis + no investigation if > 45, pain associated with activity + no morning stiffness (< 30 minutes)
‘Wear and tear’
Worse at the end of the day
Name 3 features that may be seen on the hand in osteoarthritis
Heberden’s nodes = DIP (Hebrides = far away)
Bouchard’s nodes = PIP
CMC joint = squaring of CMC joints
Name 4 general signs of osteoarthritis
Bulky, bone enlargement of the joint
Restricted range of movement
Crepitus on movement
Effusions (fluid) around the joint
Describe the x-ray signs of osteoarthritis
LOSS
Loss of joint space
Osteophytes (bone spurs)
Subchondral cysts (Increase density of bone along joint line)
Subarticular sclerosis (fluid-filled holes in bone)
Describe the key hand changes in rheumatoid arthiritis
Symmetrical polyarthritis - can spare DIP
Boutonniere
Swann-neck deformity
Z-thumb deformity
Ulnar deviation of fingers
Rheumatoid nodules
Describe the x-ray of rheumatoid arthritis
Periarticular osteopenia
Bony erosions
Soft tissue swelling
Joint destruction + deformity (in advanced disease)
What can be done in rheumatoid arthiritis to detect synovitis and help in acute flares to guide treatment
Ultrasound scan
Summarise the treatment of rheumatoid arthritis
- DMARDS - methotrexate, sulfalazine, leflunomide
- 2 of above
- Methotrexate + biologic - e.g. infliximab (TNF-a inhibitor)
- Methotrexate + rituximab (B-cell direct)
Describe 2 tests which can monitor the success of treatment in rheumatoid arthiritis
C-reactive protein
DAS28
Describe Felty’s syndrome as a complication of rheumatoid arthiritis
Triad of
Rheumatoid arthiritis
Neutropenia
Splenomegaly
Do an abdominal ultrasound
Describe fibromyalgia - what points does it affect
Characterised by widespread pain + tender points
At
Occiput - connect brain to spine
Low cervical regions
Trapezius
Second rib
Greater trochanter
Gluteal region
Often co-occurs with many rheumatology diseases
Describe the diagnosis of fibromyalgia
31 point questionnaire - widespread pain index
> 3 months
Not have a condition which could explain the pain
Describe the treatment of fibromyalgia
1st line - physical therapy, graded exercise therapy
Severe pain - duloxetine, pregabalin, amitriptyline
Pain related depression - CBT, antidepressants
What are the antibodies for rheumatoid arthritis
Anti cyclic citrullinated peptide (anti-CCP)
What are the antibodies for vasculitis
c-ANCA - Granulomatosis with polyangiitis
p-ANCA - Eosinophilic granulomatosis with polyangiitis
Name the antibodies for SLE
Main= ds-DNA
ANA
Anti-smith
Name the antibody for scleroderma
Anti-centromere
Name the antibody for antiphospholipid syndrome
Anticardiolipin
Name the antibodies for Sjogren’s
Anti-Ro
Anti-La
What would be seen in a joint aspiration of septic arthritis
Yellow, cloudy, WCC > 50,000
Describe the treatment of septic arthiritis
IV antibiotics 2 weeks + 4 weeks oral
1st = flucloxacillin
MRSA = vancomycin
Neisseria = ceftriaxone
Surgery = laparoscopic washout or surgical debridement
Name 2 complications of septic arthritis
Osteomyelitis
Permanent joint destruction
Describe the difference between osteomyelitis and septic arthiritis
Osteomyelitis - inflammation of bone and bone marrow
Septic arthiritis = inflammation of the joint (is not inside the bone)
What is the common cause of osteomyelitis
S. aureus
Salmonella infection is associated with sickle cell disease
Describe the management of osteomyelitis
6 week IV antibiotics (12 week if chronic) - flucloxacillin
Surgical debridement of bone
May require prosthetic joint revision
Describe polymyalgia rheumatica
Bilateral shoulder +/- pelvic girdle pain
Stiffness over 45 minutes after walking
Low grade fever
Decrease weight
Describe the diagnosis of polymyalgia rheumatica
ESR/CRP = increased
Diagnosis of exclusion
Name a complication of polymyalgia rheumatica
Giant cell arteritis
Long term steroid use
Define Giant cell arteritis
Inflammation in the walls of large size arteries
Sore when brushing hair
What is a key risk factor of giant cell arteritis
History of polymyalgia rheumatica
What is seen on a USS temporal artery of giant cell arteritis
Halo sign + stenosis of temporal artery
Describe the treatment of giant cell arteritis
Steroids
No visual symptoms = oral prednisolone
Visual symptoms = methylprednisolone
Describe the features of long term steroid use
Don’t STOP
Don’t - steroid dependence - occurs after 3 weeks. Risk of adrenal crisis. Wean down
S - Sick day rules - steroid doses need to be increased if unwell e.g. surgery, infection, mental stress
T - Treatment card - steroid treatment card alert
O - Osteoporosis prevention. Bisphosphonates + calcium/vitamin D score. Calculate FRAX score. DEXA scan
P - PPI required. Risk of reflex, ulcers, bleeding. Give omeprazole
What is the mnemonic for long term steroid use
Don’t STOP
Name the 2 key features of long term steroid use
Use PPIs
Risk of osteoporosis
Define osteoporosis
Decrease in trabecular mass/density + disruption of bone architecture
Define FRAX tool
Predicts risk of major osteoporotic fracture and hip fracture
What are the two sections of the DEXA scan
Dual energy x-ray absorptiometry
Z-score = their age
T-score = healthy a young adult
Define Z-score
Number of standard deviations patient’s bone density falls below the mean for their age
Think z = later in alphabet = older
Define T-score
Number of standard deviations patient’s bone density falls below the mean for a health young adult
Classify the T-scores at hip
Normal > -1
Osteopenia = -1 to -2.5
Osteoporosis = < -2.5
Severe osteoporosis = < -2.5 + fracture
Describe the treatment for osteoporosis
1st line = bisphosphonates (alendronic acid or zoledronic acid)
2nd line
Denosumab = 6 months sub cut - blocks osteoclasts
Raloxifene = oestrogen stimulator
Teriparatide = increases osteoblast activity, PTH analogue
What are the 4 spondyloarthropathy
Ankylosing spondylitis
Reactive arthiritis
Psoriatic arthritis
Enteropathic arthiritis
What antibodies are linked to ankylosing spondylitis
HLA B27 serotype positive
What is the features of ankylosing spondylitis
Young man + back pain + stiffness worse at night
Describe what the features of HLA B27 serotype causes
Attacks entheses - causes inflammation, bone erosion + syndesmophyte formation - body growth inside a ligament
What test is used for ankylosing spondylitis
Schober’s test
Marks L5 - 2nd line 10cam above 1st line
Touch toes and see difference