MSRA Clinical 2 Flashcards
L3 nerve root compression
- Sensory loss over anterior thigh
- Weak quadriceps
- Reduced knee reflex
- Positive femoral stretch test
L4 nerve root compression
- Sensory loss anterior knee
- Weak quadriceps
- Reduced knee reflex
- Positive femoral stretch test
L5 nerve root compression
- Sensory loss dorsum of foot
- Weakness in foot and big toe dorsiflexion
- Reflexes intact
- Positive sciatic nerve stretch test
S1 nerve root compression
- Sensory loss posterolateral leg and lateral foot
- Weakness in plantar flexion
- Reduced ankle reflex
- Positive sciatic nerve stretch test
Ottawa rules
Ankle x-ray if there is pain in malleolar zone and one of:
- Bony tenderness at lateral malleolar zone (including distal 6cm fibular)
- Bony tenderness at medial malleolar zone (including distal 6cm tibia)
- Inability to weight bear 4 steps immediately and in ED
Golfer’s elbow
Medial epiondylitis
- Tender medial epicondyle
- Medial wrist pain on resisted wrist pronation
Tennis elbow
Lateral epicondylitis
- Tender lateral epicondyle
- Lateral elbow pain on resisted wrist extension
Causative organism bone infections in SCA/malaria
Non-typhi salmonella
Patellofemoral pain syndrome AKA
chondromalacia patellae
Patellofemoral pain syndrome features
Softening of cartilage of patella
Teenage girls
Anterior knee pain on alking up/down stairs and rising from prolonged sitting
Responds to physio
Infraptellar bursitis
=clergyman’s knee
Associated with kneeling
Prepatellar bursitis
=Housemaid’s knee
Associated with upright kneeling
ACL injury
Caused by twisting of knee + popping noise
Rapid knee effusion
Positive draw test
PCL injury
Anterior force applied to proximal tibia (eg knee hitting dashboard)
Collateral ligament injury
Tenderness over affected ligament
Knee effusion
Mensical lesion
Caused by twisting of the knee
Locking and giving way are common features
Tender joint line
OA of knee
Intermittent swelling, crepitus, limitation of movement
Methotrexate side effects
Myelosuppression
Liver cirrhosis
Pneumonitis
Sulfasalazine side effects
Rashes
Oligospermia
Heinz body anaemia
Interstitial lung disease
Leflunomide side effects
Liver impairment
Interstitial lung disease
Hypertension
Hydroxychloroquine side effects
Retinopathy
Corneal deposits
Prednisolone side effects
Cushingoid Osteoporosis Impaired glucose tolerance Hypertension Cataracts
Gold side effects
Proteinuria
Penicillamine side effects
Proteinuria
Exacerbation of myasthenia gravis
Etanercept side effects
Demyelination
Reactivation of Tb
Infliximab side effects
Reactivation of Tb
Adalimumab side effects
Reactivation of Tb
Rituximab side effects
Infusion reaction
Hip OA findings
Reduction in internal rotation
Referred lumbar spine pain
Femoral nerve stretch positive
Ankylosing spondylitis A features
Apical fibrosis Anterior uveitis Aortic regurgitation Achilles tendonitis AV node block Amyloidosis
Antiphospholipid syndrome clotting screen
Paradoxically prolonged APTT
Low platelets
Drugs which cause drug-induced lupus
- procainamide
- hydralazine
less common causes:
- isoniazid
- minocycline
- phenytoin
Indication for secondary prevention of osteoporotic fracture
After osteoporotic fracture in post-menopausal woman with confirmed osteoporosis (T-score of -2.5 SD or below)
Antibodies associated with diffuse cutaneous systemic sclerosis
anti-scl-70
+ ANA + RF
Antibodies associated with limited cutaneous systemic sclerosis
anti-centromere
+ ANA + RF
Lesch-Nyhan syndrome
Inherited enzyme deficiency.
“juvenile gout”,
self-mutilation behaviour
Pseudogout findings
- calcium pyrophosphate dihydrate crystals
- x-ray: chondrocalcinosis
- aspiration: weakly-positively birefringent rhomboid crystals
Pseudogout risk factors
- haemochromatosis
- hyperparathyroidism
- acromegaly
- low magnesium, low phosphate
- Wilson’s disease
Kocher criteria for septic arthritis
- fever >38.5
- non-weight bearing
- raised ESR
- raised WCC
Common side effect of Amoxicillin
Rash with infectious mononucleosis
Common side effect of Co-amoxiclav
Cholestasis
Common side effect of Flucloxacillin
Cholestasis (usually develops several weeks after use)
Common side effect of Erythromycin
Gastrointestinal upset
Prolongs QT interval
Common side effect of Ciprofloxacin
Lowers seizure threshold
Tendonitis
Common side effect of Metronidazole
Reaction following alcohol ingestion
Common side effect of Doxycycline
Photosensitivity
Common side effect of Trimethoprim
Rashes, including photosensitivity
Pruritus
Suppression of haematopoiesis
Antibiotics harmful in pregnancy
- Tetracyclines
- Aminoglycosides
- Sulphonamides and trimethoprim
- Quinolones
Non-antibiotic drugs which are harmful in pregnancy
- ACEi, ARBs
- Statins
- Warfarin
- Sulfonylureas
- Retinoids (including topical)
- Cytotoxic agents
Statin monitoring
LFTs at baseline, 3 months and 12 months
ACEi monitoring
U&E prior to treatement, after increasing dose, at least annually
Amiodarone monitoring
TFT, LFT, U&E, CXR prior to treatment
TFT, LFT every 6 months
Methotrexate monitoring
FBC, U&E, LFT prior to treatment.
Repeat weekly until stabilised.
Thereater every 2-3 months
Azathioprine moniroting
FBC, LFT before treatment
FBC weekly for first 4 weeks
FBC, LFT every 3 months
Lithium monitoring
TFT, U&E prior to treatment
Lithium levels weekly until stabilised, then every 3 months
TFT, U&E every 6 months
Sodium Valproate monitoring
LFT, FBC before treatment
LFT periodically during first 6 months
Glitazones monitoring
LFT before treatment and regularly during treatment
Drugs which may cause urinary retention
- TCAs
- Anticholinergics
- Opioids
- NSAIDs
- Disopyramide
Common side effects of calcium channel blockers
Headache
Flushing
Ankle oedema
Verapamil also causes constipation
Common side effects of beta-blockers
Bronchospasm
Fatigue
Cold peripheries
Sleep disturbance
Common side effects of Nitrates
Headache
Postural hypotension
Tachycardia
Common side effects of Nicorandil
Headache
Flushing
Anal ulceration
Features of organophosphate poisoning
Accumulation of acetylcholine = SLUD
Salivation
Lacrimation
Urination
Defecation/diarrhoea
Hypotension, bradycardia, sall pupils, fasciculation
Management of organophosphate poisoning
Atropine
Common side effects of ACE inhibitors
Cough
Hyperkalaemia
Common side effects of Bendroflumethiazide
Gout
Hypokalamia
Hyponatraemia
Impaired glucose tolerance
Common side effects of Doxazosin
Postural hypotension
Managemeny of beta-blocker overdose
If bradycardic then atropine
Glucagon in resistant cases
Features of beta-blocker overodse
Bradycardia
Hypotension
Heart failure
Syncope
Finasteride - indications
BPH
Male-pattern baldness
Finasteride - mechanism of action
Inhibitor of 5 alpha-reductase, and enzyme which metabolises testosterone to dihydrotestosterone
Finasteride - adverse effects
- impotence
- decreased libido
- ejaculation disorders
- gynaecomastia and breast tenderness
Salicylate overdose management
haemodialysis
Benzodiazepine overdose management
Mainly conservative as flumazenil increases risk of seizures
TCA overdose management
IV bicarbonate may reduce risk of seizure and arrhythmia
Lithium overdose management
Saline
Haemodialysis
Digoxin overdose management
Digoxin-specific antibody fragments
Lead overdose management
Dimercaprol, calcium edetate
Cyanide overdose management
Hydroxocobalamin
Additional ACS treatment in MI secondary to cocaine use
IV benzodiazepine
Metformin and contrast CT
Discontinue metforming for 48 hours following contrast CT
Common side effects of rifampicin
Orange bodily fluids
Rash
Hepatotoxicity
Drug interactions
Common side effects of Isoniazid
Peripheral neuropathy
Psychosis
Hepatotoxicity
Common side effects of pyrazinamide
Arthralgia
Gout
Hepatotoxicity
Nausea
Common side effects of Ethambutol
Optic neuritis
Rash
Common side effects of metformin
GI upset
Lactic acidosis
Common side effects of sulfonylureas
Hypoglycaemia
Increased appetite and weight gain
SIADH
Cholestasis
Common side effects of glitazones
Weight gian
Fluid retention
Liver dysfunction
Fractures
Common side effects of gliptins
Pancreatitis
Side effect bleomycin
lung fibrosis
Side effect doxorubicin
cardiomyopathy
Side effect 5-FU
myelosuppression, mucositis, dermatitis
side effect vincristine
peripheral neuropathy
paralytic ileus
side effects cisplatin
ototoxicity
peripheral neuropathy
hypomagnenaemia
Drugs used in mild to moderate Alzheimer’s: 1st line
Acetylcholinesterase inhibitor: donepezil, galantamine or rivastigmine
Drugs used in Alzheimer’s: 2nd line
Memantine (NMDA antagonist)
Palliative care: hiccups
chlorpromazine