paediatrics anki 1 Flashcards
Describe the anatomy of a patient with androgen insensitivity syndrome
Testes in abdomen/inguinal canal
Absence of uterus, vagina, cervix, fallopian tubes and ovaries
Describe the possibel presentation of a patient with partial androgen insensitivity syndrome
More ambiguous if partial
Micropenis/clitoromegaly
Bifida scrotum
Hypospadias
Diminished male characteristics
Descirbe the symptoms of androgen insensitivity syndrome
can present in infancy with inguinal hernias containing testes’primary amenorrhoea’-puberty
little or no axillary and pubic hair
undescended testes causing groin swellings
breast development may occur as a result of the conversion of testosterone to oestradiol
usually slightly taller than female average
Describe the key symptoms of Kawasaki disease
High grade fever and CREAM:
Conjunctivits (bilateral and non exudative)
Rash (non-bullous)
Edema/erythema of hands and feet
Adenopathy (cervical, commonly unilateral and non-tender)
Mucosal involvement (strawberry tongue, oral fissures etc)
Describe the management of patients with Kawasaki disease
High dose aspirin
IVIG
Echos and close follow up
Describe the rash typically seen in measles
Discrete maculopapular rash becoming blotchy and confluent
Desquamation that typically spares the palms and soles may occur after a week
Rash starts behind the ears then spreads to the whole body
Describe the mangement of measles
Mainly supportive-antipyretics
Admission for immunossuprressed or pregnant patients
Inform public health->notifiable disease
Vitamin A to children under 2 years
Ribavirin may reduce duration of symptoms but not routinely recommended
Describe the management of people who ocme into contact with patients with the measles
If no immunised: offer MMR-should be given within 72 hours
At what age does chicken pox usually occur?
1-9 years
Describe the rash associated with chicken pox?
Starts as raised red itchy spots on face/chest which then spreads to rest of body
Progresses into small, fluid filled blisters over a few days
Crusts over and heals, usually leaving no scars
Describe the management of chicken pox
Trim nails to prevent scratching and infection
Encourage loose clothing
Cooling measures like oatmeal baths and calamione lotion to reduce tiching
Analgesics and antipyretics for symptom relief
If immunocompromised: IV aciclovir and human varicella-zoster immunoglobulin (VZIG)
Describe the epidemiology of rubella
Less common now due to widespread vaccination
Describe the presentation of a patient with rubella
Fever: low grade
Coryza
Arthralgia
A rash that begins on the face and moves down to the trunk
Lymphadenopathy, especially post-auricular and suboccipital
Describe the rash associated with rubella
Maculopapular rash that starts on the face before spreading to the whole body, usually fades by day 3-5
Describe the pathophysiology of diphtheria
Releases an exotoxin encoded by a Beta-prophage
Exotoxin inhibits protein synthesis by catalyzing ADP-ribolysation of elongation factor EF
Describe the presentation of a patient with staphylococcal scalded skin syndrome
Superficial fluid-filled blisters, often leading to erythroderma
Desquamation and positive Nikolsky sign
Perioral crusting or fissuring with oral muscoa unaffected
Skin has a ‘scalded’ look due to loss of superficial layers of epidermis
Fever and irritability common due to underlying infection
Describe how a patient with meningitis might present?
Fever
Neck stiffness
Severe headache
Photophobia
Rash
Focal neurological deficits.signs of raised ICP
Describe the management of meningitis
<3 months: IV amoxicillin(or ampicillin) and IV cefotaxime
>3 months: IV cefotaxime (or ceftriaxone)
Dexamethasone
>3 months and bacterial
Fluids
Cerebral monitoring and supportive therapy
Public health notification and antibiotic prophylaxis
Describe the epidemiology of Fifth disease
Common in late winter and early spring
Describe the management of Fifth’s disease
Supportive: rest, hydration etc
Hospitalisation for severe complications
Describe the epidemiology of pneumonia in children
Highest incidence in infants
Young infants: usually viral
Older children: usually bacterial
Viral causes mroe common in the winter
Describe the symptoms of pneumonia in children
Usually preceded by an URTI
Fever
Difficulty breathing
Lethargy
Poor feeding
Describe the aetiology/risk factors of asthma
Genetics
Atopy(allergy, eczema)
Allergen exposure
Prematurity
Cold air
Low birth weight
Viral bronchiolitis early in life
Parental smoking
Describe the pathophysiology of asthma
Bronchial inflammation->oeadema and increased mucus production and infiltration with eosinophils, mast cells, neutrophils, lymphocytes->bronchial hyperresponsiveness->reversible aurflow obstruction
Describe the stepwise management of asthma in children over 5
SABA PRN(salbutamol)
ICS prophylaxis(beclomethasone)
LTRA(montelukaust)
Stop LTRA and add LABA(salmeterol)
Switch ICS/LABA for ICS +MART(formeterol and ICS)
Add separate LABA
High dose ICS(>400mcg) and referral
Descirbe the stepwise maangement of asthma in children<5 years
SABA PRN(salbutamol)
ICS prophylaxis(beclomethasone)-trial for 8 weeks then refer
LTRA(montelukaust)
Stop LTRA and add LABA(salmeterol)
Switch ICS/LABA for ICS
MART(formeterol and ICS)
Add separate LABA
High dose ICS(>400mcg) and referral
Describe the features of a SABA?
Short acting B2 agonists
Salbutamol/terbutaline
Few side effects, effective for 2-4 hours
Describe the features of a LABA
Long acting B2 agonists
Salmeterol/formoterol
12 hours
Can’t be used without ICS
Describe the features of ipratropium bromide
Anticholinergic bronchodilator
Young infants if other bronchodilators uneffective
Treatment for severe acute asthma
Describe the features of an ICS
Inhaled corticosteroids
Decrease airway inflammation->prophylaxis
Systemic side effects: impaired growth, adrenal suppression, altered bone metabolism
Describe the features of severe acute asthma
Too breathless to talk/feed
Use of accessory neck muscles
O2<92%
Describe the management of a severe acute asthma attack
O2 via facemask/nasal prongs
SABA: 10 puffs nebulised or through spacer
Oral prednisolone/Iv hydrocortisone
Nebulised ipratroprium bromide if poor response
Repeat bronchodilators every 20-30 minutes as needed
Describe the management of a life threatening asthma attack
O2 via face masks/nasal prongs
Nebulised B2 agonist and ipatropium bromide
IV hydrocortisone
Senior clinician involvement
If poor response:
Transfer to HDU->CXR and blood gases
IV salbutamol/aminophylline
Bolus of IV magenisum sulphate
Describe the epidemiology of croup
Children: 6 months-6 years
Peak incidence aged 3
Common in autumn
Highly prevalent-> affects 1/6 children at least once in their life
Describe the presentation of a child with mild croup
Occasional barking cough with no audible stridor
No recession
Child eating and drinking as normal
Describe the presentation of a patient with moderate croup
Frequent barking cough
Prominent stridor
Marked sternal recession
Agitated child
Tachycardia
Describe the management of mild croup
At home with simple analgesia, fluids, rest etc
Single dose dexamethasone in primary care
Minimise crying as this will worsen airway obstruction
Describe the management of moderate/severe croup
Admission to hospital
Monitoring: may need ENT intervention
Nebulised adrenaline for severe symptoms
Minimise crying
Describe the presentation of a patient with bronchiolitis
Sharp, dry cough
Laboured breathing/wheezing
Tachypnoea/tachychardia
Subcostal.intercostal recessions
Cyanosis/pallor
Fine end-inspiratory crackles and high pitched wheezes
Hyperinflation of the chest->prominent sternum, liver displacement downwards
Low grade fever, cough, rinhorrhoea, nasal congestion
Describe the at home management of bronchiolities
Supportive management-> fluids, simple analgesia etc
Describe the management of bronchiolitis in the hospital
Oxygen through nasal cannula/fluids
CPAP if respiratory failure
Suctioning of secretions
If severe: antiviral therapy(ribavarin)
Describe the pathophysiology of bronchiolitis obliterans
Bronchioles injured due to infection/inhalation of harmful substance
Leads to build up of scar tissue from an overactive cellular repair process
Scar tissue obstructs bronchioles-> impaired O2 absorption
Can lead to respiratory failure
Describe the aetiology and pathophysiology of cystic fibrosis
Mutations in CFTR protein on chromosome 7-> defects in chloride transport across cell membranes-> thick mucus secretions and impaired ciliary function
Secretions can block the pancreatic ducts-> enzyme deficiency and malabsorption
Describe the management of acute epiglottitis
Immediate senior involvement: ENT, anaesthetics
Endotracheal intubation
Culturing and examination of throat once airway secure
Oxygen
Nebulised adrenaline
IV antibiotics: 3rd gen cephalosporin: IV cefotaxime/ceftriaxone
Describe the pathophysiology of viral induced wheeze
Small airways->inflammation and oedema-> triggers smooth muscles of airway to constrict-> narrowing->wheeze
Restricted airway-> respiraotry distress
Describe the management of viral induced wheeze
Same as acute asthma treatment
SABA via spacer max 4 hourly up to 10 puffs
LTRA and ICS via spacer
Describe the epidemiology of otitis media
Common, especially in those <4 years
Often occurs post viral URTI
Describe the pathophysiology of otitis media
Secondary to oedema and narrowing of eustachian tube-> prevents middle ear from draining-> predisposing it to colonisation of bacteria
Describe the epidemiology of glue ear
Peaks at 2 years of age
Commonest cause of conductive hearing loss in children
Describe the management of glue ear
Audiometry to assess extent of hearing loss
Conservative-> wait and monitor, give it 3 months to resolve
If not resolved in >3 months: refer for grommets and adenoidectomy
Describe the pathophysiology of strabismus
In childhood before eyes have fully established connections with brain, brain copes with misalignment byy reducing signal from less dominant eye
One dominant eye and one ‘lazy’ eye
Lazy eye becomes progressively more disconnected resulting in ambylopia
Describe the presentation of a patient with impetigo
Erythematous macule that vesiculates or pustulates
Superficial erosion with a characteristic golden crust
Describe the management of localised non-bullous impetigo
Topical hydrogen peroxide
1%Fusidic acid or mupirocin
Describe the management of widespread non-bullous impetigo
Topical fusidic acis/mupirocin OR antibioics for 5 days(flucloxacillin)
Clarithromycin(allergic) or erythromycin(pregnancy) as alternative antibiotics
Describe the management of bullous impetigo
Oral antibiotics or up to 7 days
Flucloxacillin
Clarithromycin or erythromycin as alternatives
Describe the aetiology of toxic shock syndrome
TSS is caused by the exotoxin produced by certain strains of bacteria, acting as a superantigen.
This causes polyclonal T cell activation and massive cytokine release, notably IL-1 and TNF-alpha, leading to shock and multi-organ failure.
Describe the presentation of a patient with toxic shoxk syndrome
Early, non-specific flu like symptoms
Rapid progression to high fever, widespread rash
Multi-organ involvement -hypotension for cardiac depression and confusion for encephalopathy
Describe the management of toxic shock syndrome
DRABCDE
Aggressive fluid and electrolye resusciation
Immediate cessation to persisting infection sources
Antibiotics: clindamycin and cephalosporin
Corticosteroids in some cases
Describe the epidemiology of scarlet fever
Children aged 2-6 years
Peak incidence: 4 years
Describe the rash associated with scarlet fever
Red-pink blotchy macular rash with rough ‘SANDPAPER’ skin
Starts on trunk and spreads outwards
Describe the presentation of a patient with scarlet fever
Fever: 24-48 hours
Malaise, headache, sore throat, n+v
Strawberry tongue
Rash
Describe the pathophysiology of an ASD
Shunt from left to right
Blood continues to flow to lungs so no cyanosis
Increased blood flow to right side-> right side overload,right heart failure and pulmonary hypertension
Over time pulmonary pressure->systemic pressure->right to left shunt and cyanosis(Eisenmenger syndrome)
Describe the pathophysiology of coarctation of the aorta
Narrowing of aortic arch->reduced pressure of blood flowing to distal arteries and increases pressure in the heart and first 3 branches of the aorta(proximal)
Describe the signs of coarctation of the aorta in infancy
Tachypnoea and increased work of breathing
Poor feeding
Grey and floppy baby
Describe the signs of coarctation of the aorta in an older child
Left ventricular heave due to left ventricular hypertrophy
Underdeveloped left arm where there is reduced blood flow to the left subclavian artery
Underdevelopment of the legs
Adults: hypertension
A neonate is found to weak femoral pulses, how would you further investigate?
Suspect coarctation of aorta
Perform a 4 limb blood pressure: high blood pressure in limb supplied from arteries that come before the narrowing and lower blood pressure in lumbs that come after the narrowing
Describe the pahophysiology of a ventricular septal defect
Hole in ventricular septum
L-R shunt as pressure in left is greater: no cyanosis
Right sided overload, RHF, increased flow to pulmonary vessels and pulmonary hypertension
Over time, R pressure >L , R->L shunt->cyanosis(Eisenmenger syndrome)
Describe the medical management of tet spells
Oxygen
Beta blockers
IV fluids
Morphine
Sodium bicarbonate
Phenylehrine infusion
Define transposition of the great arterie
Attachments of the aorta and pulmonary trunk to the heart are transposed
RV pumps blood into the aorta
LV pumps blood into pulmonary vessels
Describe the epidemiology of transposition of the great arteries
M>F
Maternal diabetes
Describe the aetiology of transposition of the great arteries
Failure of the aorticopulmonary septum to spiral during septation
Aorta arises from RV and pulmonary vessels arise from LV
2 parallel circuits incompatible with life
Describe the symptoms of transposition of the great arteries
Cyanosis at/shortly after birth
Tachypnoea
Poor feeding/weight gain
Describe the symptoms of Ebstein’s anomaly
Cyanosis
SOB and tachypnoea
Poor feeding
Collapse
Heart failure symptoms like oedema
Describe the pathophysiology of congenital aortic valve stenosis
Aortic valve usually 3 leaflets, may have 1/2/3/4 leaflets isntead
Describe the symptoms of congenital aortic valve stenosis
Asymptomatic
Severe:Fatigue
SOB
Dizziness
Fainting
Symptoms worse one exertion
May present with heart failure a few months after birth
Describe the symptoms of congenital pulmonary valve stenosis
Asymptomatic-picked up accidentally
Fatigue on exertion
SOB
Dizziness
Fainting
Describe the management of congenital pulmonary valve stenosis
Mild-watch and wait-monitor
Ballon valvoplasty via venous catheter to dilate valve
Open heart surgery
Describe the epidemiology of noctunral enuresis
M>F
Roughly 2/3 will have a strong family history
Children generally healthy
Secondary type is associated with psychological stress
Describe the management of nocturnal enuresis
General advice:
Fluid intake
Toileting patterns-> encourage bladder emptying
Reward systems->’Star charts’ use for good behaviour(like using the toilet before bed), not for ‘dry’ night
1st line:
Enuresis alarm
Sensor pads that sense wetness
High success rates
2nd line:Desmopressin(Synthetic ADH)
Describe the aetiology of typical haemolytic uraemic syndrome
Toxin induces damage to the endothelium of glomerular capillary bed causing thrombotic microangiopathy
Describe the aetiology of atypical haemolytic uraemic syndrome
Familial-> dysregulation in complement cascade triggers atypical haemolytic uraemic syndrome
Describe the pathophysiology of haemolytic uraemic syndrome
Endothelial injury-> microvascular thrombosis->AKI+MAHA+thrombocytopenia
Describe the epidemiology of a UTI
Higher prevalence in males until 3 months, then higher prevalence in females
Describe the symptoms of a UTI in infants <3 months
Fever
Vomiting
Lethargy
Irritability
Poor feeding
Failure to thrive
Offensive urine
Describe the symptoms of a UTI in an infant aged between 3-12 months?
Fever
Poor feeding
Abdo pain
Vomiting
Describe the symptoms of a UTI in a child >1yr?
Frequency
Dysuria
Abdo pain
Haematuria
Describe some signs that would point towards an upper UTI
Fever->38 degrees
Loin pain and tenderness
Describe the management of a UTI in a patient <3 months
Immediate referral to a paediatrician
ABX
Describe the management of a UTI in a child >3 months
If upper: consider admission, oral cephalosporin/co-amoxiclav for 7-10 days
If lower: Oral nitrofurantoin/trimethoprim and safety net(bring back if no improvement in 24-48 hours)
Describe the epidemiology of vesicoureteric reflux
1-3% of children
Often familial predisposition
Describe the presentation of vesicoureteric reflux
Recurrent/atypical UTI’s
Persistent bacteriuria
Unexplained fevers, abdominal/flank pain
If severe: renal scarring-> hypertension and CKD
Describe the conservative management of vesicoureteric reflux
Prophylactic antibiotics to prevent UTIs
Monitor kidney function and growth
Treat constipation
Describe the surgial management of vesicoureteric reflux
Ureteral reimplantation
Describe the epidemiology of Wilms’ tumour
Children <5 years
Incidence peaks 3-4 years
Describe the management of Wilms’ tumour
Urgent review(within 48 hours)
Nephrectomy
Chemotherapy
Radiotherapy if advanced
Describe the pathophysiology of cryptorchidism
Incomplete migration of testis during embryogenesis from original retroperitoneal position near kidneys to final position in scrotum
Describe the management of bilateral undescended at birth testicles
Urgent referral within 24 hours
Genetics/endocrine-> rule out congenital adrenal hyperplasia
Review at 3 months
Refer to surgeons by 6 months
Orchidopexy at 6-18 months
Describe the management of unilateral cryptorchidism at birth
Review at 6-8 weeks
Then review at 3 months
Then review at 5 months
Refer by 6 months
Orchidopexy at 6-18 months
Describe the epidemiology of hypospadias
3/1000
Genetic element
Describe the features of hypospadias
Ventral urethral meatus
Hooded prepuce
Chrodee(ventral curve of penis) in severe cases
Urethral meatus may open more proximally in severe variants
Describe the amangement of hypospadias
Refer to specialist
If very distal, may not need treatment
Corrective surgery at around 12 months-DO NOT CIRCUMCISE
Describe the aetiology of phimosis
STI’s
Eczema
Psoriasis
Lichen planus/lichen sclerosis
Balanitis
Describe the presentation of a patient with phimosis/paraphimosis
Non-retractable foreskin-> may interfere with urination/sexual function
Paraphimosis->swollen and painful glanss, tight band of foreskin->ischaemia->discolouration and severe pain
Describe the management of phimosis
Wait and see
Topical corticosteroids
Stretching exercises
Personal hygiene
Describe the management of paraphimosis
Manual pressure
Osmotic agents
Puncture techniques
Surgical reduction and circumcision
Personal hygiene advice
Describe the pathophysiology of nephrotic syndrome
Damage to glomerular basement membrane and podocytes results in increaed permeability to protein
Lower plasma oncotic pressure->hypoalbuminaemia and oedema
Describe the management for nephrotic syndrome
High dose steroids, taper over time
Diuretics for oedema
Low salt diet
Describe a typical presentation of nephrotic syndrome in a child
Well child, insidious onset of pitting oedema, initially periorbital then generalised
History of recent URTI
Can progress to anorexia, GI changes, ascites, oliguria, SOB
Risk of infection/thrombosis
Descirbe the aetiology of minimal change disease
Idiopathic in most cases
Often seen post viral URTI
Drugs: NSAID’s, rifampicin
Hodgkin’s lymphoma
Infectious mononucleosis
Describe the management of minimal change disease
Oral corticosteroids->prednisolone, tapering regime
If poor response: immunosuppressives like ciclosporin/cyclophosphamide
Fluids restriction and lower salt intake
If high fluid overload: furosemide
Describe the prognosis of minimal change disease
1/3 resolve completely with no other episodes
1/3 have further relapses requiring further steroids
1/3 dependent on steroid therapy
Describe the pathophysiology of IgA nephropathy
IgA immune complexes become lodged in the mesangium of the glomerulus
Combination of IgA deposition, activation of the complement pathway and cytokine release lead to glomerular injury
Describe the management of IgA nephropathy
Isolated haematuria+no/minimal protenuria(<500-1000mg/day)+normal GFR: follow up to check renal function
Persistent protenuria(>500-1000mg/day)+normal/slightly reduced GFR: initial treatment with ACE inhibitors
Active disease: Falling GFR/no response to ACE inhibitors: immunosuppression with corticosteroids
Describe the prognosis of IgA nephropathy
30% progress to end stage renal failure
Describe the presentation of post strep glomerulonephritis
Haematuria(visible-ribena/coke), oliguria, hypertension +/-oedema 1-3 weeks post infection(s.pyogenes)
Some may be asymptomatic
Describe the maangement of post strep glomerulonephritis
Usually self resolving
Handle AKI
Describe some symptoms of hypogonadism
Lethargy
Weakness
Weight gain
Loss of libido
Erectile dysfunction
Gynaecomastia
Depression
Describe the management of hypogonadism
Hormone replacement therapy: usualy testosterone injections/oral
Monitoring therapy to check for polycythaemia, changes in bone mineral density, prostate status and LFTs
Describe the symptoms of Klinefelter’s syndrome
Taller height than average
Lack of secondary sexual characteristics
Small, firm testes
Infertile
Gynaecomastia-increased risk of breast cancer
Reduced libido
Wider hips
Weaker muscle
Subtle learning difficulties
Describe the prognosis of Klinefelter’s syndrome
Close to normal
Describe the epidemiology of Turner’s syndrome
Roughly 1/2500
Incidence DOES NOT increase with maternal age
Low risk of recurrence
Describe the clinical features of Turner’s syndrome
Short stature
Shield chest, widely spaced nipples
Webbed neck
High arching palate
Wide carrying angle/cubitus valgus
Delated/incomplete puberty
Primary amenorrhea
Bicuspid aortic valve, coarctation of the aorta
Infertilitiy
Describe the management of Turner’s syndrome
Human growth hormone: during childhood to increase height
Oestrogen replacement therapy: allow development of secondary sex characteristics, prevents osteoporosis
Medical care to manage associated problems, including fertility treatment
Describe the epidemiology of Down’s syndrome
Common
Incidence increases with increasing maternal age, especially if resulting from gamete non-disjunction
Describe the facial features of Down’s syndrome
Upslanting palepbral fissures
Prominent epicanthic folds
Brushfield spots in iris
Protruding tongue
Small, low-set ears
Round/flat face
Brachycephaly(small head with flat back)
Single transverse palmar crease
Describe the management of Down’s syndrome
MDT approach
OT, SALT, Physio, dietitiacn, paeds, GP
ENT and audiologist for ear problems
Cardiologists for congenital heart disease
Opticians for glasses
Describe the inheritance of Fragile X
X-linked dominant
Males always effects, females may or may not be(have spare copy of FMR1 gene on other X chromosome)
Descirbe the features of Noonan syndrome
Webbed neck
Pectus excavatum
Short stature
Pulmonary stenosis
Describe the features of Pierre-Robin syndrome?
Micrognathia
Posterior displacement of the tongue->upper airway obstruction
Cleft palate
Describe the features of Prader Willi syndrome
Hypotonia
Hypogonadism
Obesity
Short stature
Dysmorphic features
Typical history: feeding is a challenge initially due to hypotonia, then becomes hyperphagia
Describe the features of William’s syndrome
Very sociable
Starburst eyes(star like pattern on iris)
Wide mouth with big smile
Short stature
Learning difficulties
Friendly, extroverted personality
Transient neonatal hyperglycaemia
Supravalvular aortic stenosis
Describe the features of a patient with Duchenne muscular dystrophy
3-5 yrs present with progressive proximal muscle weakness
Calf pseudohypertrophy
Gower’s sign
30% also have intellectual impairment
Describe the prognosis of Duchenne muscular dystrophy?
Most can’t walk by age 12 years
Uusally survive until 25-30 years
Associated with dilated cardiomyopathy
Describe the features of myotonic dystrophy?
Progressive muscle weakness
Prolonged muscle contraction: patient can’t let go after shaking someones hand, or release grip on a doorknob
Cataracts
Cardiac arrhythmias
Describe the features of Angelman syndrome
Fascination with water
Happy demeanour
Widely spaced teeth
Also learnign difficulties, ataxia, hand flapping, ADHD, dysmorphic features, epilepsy etc
Describe the management of Angelman syndrome
No cure, MDT holistic care appproach
Physio and OT
CAMHS
Parental education
Educational and social services support
Anti-epileptic medication if needed
Describe the management of prader willi syndrome?
Growth hormone
Dietary management to prevent obesity
PT and exercise problems
Educational interventions to support cognitive development
Describe the features of Noonan syndrome
Turner’s(webbed neck, wide nipples, short, pectus carinatum/excavatum)
Pulmonary valve stenosis
Ptosis
Triangular shaped face
Low set ears
Coagulation problems: Factor 9 deficiency
Describe the management of William’s syndorme?
MDT approach
Echos and BP monitoring for cardiac complications: aortic stenosis and hypertension
Low calcium diet and avoid calcium and vitamin D supplements: hypercalcaemia
Describe the inheritance pattern of osteogenesis imperfecta?
Autosomal dominant
Describe the aetiology of osteogenesis imperfecta
Mutations in COL1A1 and COL1A2 which code for the alpha chains of type 1 collagen
Decreased synthesis of pro-alpha 1 or pro-alpha 2 collagen polypeptides
Describe the features of a patient with osteogenesis imperfecta
Presents in childhood
Fractures following minor trauma
Blue sclera
Deafness secondary to osteosclerosis
Dental imperfections
Bone deformities like bowed legs and scoliosis
Ligament laxity leading to joint hypermobility
Describe the management of osteogenesis imperfecta
Orthopaedic interventions: treat fractures and bone deformities
Medical management: bisphosphoonates to increase bone density
Physio, dental care, hearing aids, education and counselling
Describe the epidemiology of rickets
Most common cause: vitamin D deficiency for a long time
Can be caused by: poor nutrition, insufficiency sun exposure and malapbsorption syndromes
Describe the features of rickets
Aching bones and joints
Lower limb abnormalities(genu varum-bow legs, genu valgum-knock knees)
Rickety rosary: swelling at costochondral junction
Kyphoscoliosis
Craniobates(soft skull bones in early life)Harrison’s sulcus
Describe the mangement of rickets
Oral vitamin D:
400IU/day for children and young people,
6000IU for 8-12 weeks in children <12 years
Calcium and phosphorus supplements may be advised
Prevention:
breastfeeding babies have formula fortified with vitamin D, breastfeeding woman and children should all take vitamin D supplement
Describe the epidemiology of transient synovitis?
3-11 years
2x as common in males
Describe the aetiology of transient synovitis
After URTI
1-2 weeks prior
Describe the presentation of a patient with transient synovitis
Acute onset of limp, often with an avoidance of weight bearing
Pain in hip or referred knee pain
Mild to absent fever
Describe the management of transient synovitis
Self-limiting, requiring only rest and analgesia
Typically significant improvement within 24-48 hours
Fully resolve within 1-2 weeks
If fever/no improvement, immediate A&E
Should be followed up at 48 hours and 1 week to check for improvement
Describe the presentation of osteomyelitis
Fever
Pain at rest, worse when weight bearing
Swelling
Erythema of the affected site
If chronic: can have history of pain, soft tissue damage etc
Describe the management of osteomyelitis
6 weeks flucloxacillin
Clindamycin for pencillin allergy
Vancomycin if MRSA
Surgical debridement may be needed
Describe the symptoms of septic arthritis
Acute onset of tender swollen joint
Reduced range of movement
Systemic symptoms: fever, malaise, chills
Describe the management of septic arthritis
Epirical IV abx for 4-6 weeks total as IV first then oral
Flucloxacillin 1st line
Clindamycin if penicillin allergy
Vancomycin if MRSA
Describe the epidemiology of Perthes’ disease
Predominantly males
Aged 4-8 years
Describe the aetiology of Perthes’ disease
Multifactorial: genetics, trauma and other environemntal factors
Disruption in blood supply to the femoral head->avascular necrosis
Disruption can be due to clot formation, increased pressure within the bone or damage to the vessels
Describe the presentation of a patient with Perthes’ disease
Gradual onset of limp
Hip pain, which may be referred to the knee
No history of trauma(SUFE)
Persists for >4 weeks
Resitricted hip movements
Describe the diagnosis of Perthes’ disease
x-ray: -can be normal, may show sclerosis and fragmentation of epiphysis
Blood tests normal
MRI and technetium bone scan may be done
Describe the management of Perthes’ disease
Depends on extent of necrosis:
<50% of femoral head involved: conservative(bed rest, non-weight bearing and traction)
>50%: plaster cast to keep hip abducted or even osteotomy
If <6yrs: observation
Analgesia
Describe the prognosis of Perthes’ disease
Most resolve with conservative management
Describe the Catterall staging for Perthes’ disease
Clinical and histological features only
Sclerosis with/without cystic changes and preservation of the articular surface
Loss of structural integrity of the femoral head
Loss of acetabular integrity
Describe the epidemiology of Slipped Upper Femoral Epiphysis
Increasing with growing rates of childhood obesity
Describe the presentation of a patient with slipped upper femoral epiphysis
Typicallly adolescent, obese male going through a growth spurt
May be a history of minor trauma
Hip groin, thigh or knee pain
Restricted range of movement in hip: restricted internal rotation in flexion
Painful limp
Can be bilateral in 10-20% of cases
Trendelenburg gait
Describe the management of slipped upper femoral epiphysis
Surgical: internal fixation-cannulated screw
Prompt treatment important to prevent avascular necrosis of the femoral head
Describe the epidemiology of osgood schlatter disease
Adolescents ages 10-15
M>F
Higher prevalence in athletes and sports such as gymnastics and basketball
Describe the aetiology of osgood schlatter disease
Mechanical stress due to repetitive traciton on tibial tubercle from patellar tendon during rapid growth periods in adolescence
Other contributing factors: tight quadriceps muscle and poor flexibility
Describe the presentation of a patient with osgood schlatter disease
Anterior knee pain, often localised to tibial tubercle
Pain exacerbated by running, jumping, kneeling relieved by rest
Describe the prognosis of osgood schlatter
Resolves over time
Patient often left with a bony lump on their knee
Rarely avulsion fracture
Aside from positive Barlow and ortolani tests what should be checked on examination of a patient with developmental dysplasia of the hip?
Leg length symmetry
Level of knees when hips and knees are bilaterally flexed
Restricted abduction of the hip in flexion
Describe the management of developmental dysplasia of the hips
Can self-resolve in 3-6 weeks
Pavlik harness: keeps hips in flexed and abducted position
If severe: surgical intervention
Describe the epidemiology of juvenile idiopathic arthritis
Most common cause of chronic joint pain in children
Describe the features of Still’s diseasd (systemic juvenile idiopathic arthritis0
Slamon pink rash
Fevers
Lymphadenopathy
Weight loss
Joint pain and inflammation-swelling, stiffness, limited ROM
Splenomegaly
Muscle pain
Pleuritis/pericarditis
Describe the presentation of a patient with polyarticular JIA
Symmetrical inflammatory arthritis in >=5 joints
Can affect small joints of hands and feet as well as large joints like hips and knees
Minimal systemic symptoms: may have mild fever, anaemia and reduced growth
Describe the epidemiology of oligoarticular JIA
Girls <6 yrs most commonly
Describe the presentation of a patient with oligoarticular JIA
Monoarthritis-pain, stiffness, swelling etc
Anterior uveitis->refer to ophthalmology
Usually no systemic symptoms
Describe the presentation of enthesitis related JIA
Enthesitis
Anterior uveitis->refer to opthalmology
Check for symptoms of psoriatic arthritis
IBD symptoms
Describe the signs and symptoms of juvenile psoriatic arthritis
Psoriatic arthrtiis
Nail pitting
Onycholysis
Dactylitis
Enthesitis
Describe the management of juvenile idiopathic arthritis
Paediatric rheumatology with specialist MDT
NSAIDS: e.g. ibuprofen
Steroids: oral, IM or intra-articular in oligoarthritis
DMARDS: methotrexate, sulfasalazine, leflunomide
Biologics: TNF inhibitors: etenercept, infliximab, adalimumab
Describe the aetiology of torticollis
Unclear
Often thought to be related to posture or hevay carrying loads
Describe the management of torticollis
Reassurance: self resolve within 24-48 hours
Simple anaglesics
Physio
Intermittent heat or cold packs to reduce pain and spasms, sleep on firm pillow and maintain good posture
Advice against cervical collar
Describe the epidemiology of adolescent idiopathic scoliosis
10-18 years
Describe the signs and symptoms of a patient with scoliosis
Postural asymmetry
Absent or minimal pain
No neurological symptoms
Paraspinal prominences on forward bending
Shoulder asymmetry
Waist line asymmetry
Describe the management of scoliosis
Determined by Cobb angle
<10 degrees: regular exercise
11-20 degrees: observational monitoring and regular exercise
21-45 degrees: bracing and regular exercise
>45 degrees: surgical spine arthrodesis and regular exercise
Describe the aetiology of discoid meniscus
Developmental anomaly before birth
Describe the presentation of a patient with a discoid meniscus
Visible or audible palpable snap on terminal extension(10-20 degrees) along with pain or swelling and locking
Click during movement
Describe the management of discoid meniscus
Physio
If severe: arthroscopic partial meniscectomy
Describe the pathophysiology of leukaemia
Genetic mutation in one of the precursor cells in the bone marrow leads to excessive production of a single type of abnormal white blood cell
Excessive production can suppress other cell lines->pancytopenia
Pancytopenia: Anemia, leukopenia, thrombocytopenia
Describe the presentation of a patient with leukaemia
Anaemia
Neutropenia: high WCC but low neutrophil levels
Frequent infections
Thrombocytopenia resulting in bleeding
Hepatosplenomegaly
Bone pain
May have DIC or thrombocytopenia-petechiae
Descire the management of tumour lysis syndrome
Good hydration and urine output before chemo
Allopurinol or rasburicase to suppress uric acid levels
Describe the management of CML
Tyrosine kinase inhibitors(associated with BCR-ABL defect): imatinib
Hydroxyurea
Interferon alpha
Allogenic bone marrow transplant
Describe the management of ALL
Combinatino chemo
CNS prophylactic agents
Maintainence therapy
Describe the ppresentation of a patient with CLL
Often asymptomatic-incidental lymphocytosis
Infections, bleeding, weight loss, anaemia-warm autoimmune haemolytic anaemia
Non tender symmetrical lymphadenopathy
Describe the prognosis of CLLL
Variable
1/3 don’t progress
1/3 progress slowly
1/3 progress actively
Describe the epidemiology of paediatric brain tumours
Leading cause of cancer related deaths in children
Most common solid organ malignancy in paediatric population
Describe the presentation of a child with a brain tumour
Persistent headaches which are worse in the morning
Signs of raised ICP: nausea, vomiting and reduced consciousness
Seizure in an older child with no fever and no history of seizures
Focal neurological deficits
Describe the presentation of a patient with a neurblastoma
Abdominal mass
Pallor, weight loss
Bone pain, limp
Hepatomegaly
Paraplegia
Proptosis
Describe the epidemiology of pyloric stenosis
1-3/1000 live births
6-8 weeks
M>F
First-borns most commonly
Describe the aetiology of pyloric stenosis
Genetics
Prematurity