Paeds new Flashcards
Pneumonia defintion?
- inflammation of the lung parenchyma (the part of lungs involved in gas transfer e.g. alveoli + resp bronchioles)
- congestion caused by viruses or bacteria or irritants
Causes of pneumonia in children?
Viral more common
Viral: RSV, adenovirus, rhinovirus, influenza
Bacterial: Strepmpneumoniae, Hib
Presentation of pneumonia in children
- temperature (over 38.5)
- rapid breathing/difficulty breathing
cough - chest pain
- vomiting
- decreased activity
- loss of appetite/poor feeding
Investigations for paediatric pneumonia?
- Sputum sample (can be difficult)
- Blood cultures.
- CXR: look for consolidation.
Describe the treatment of pneumonia.
PO amoxicillin.
Co-amoxiclav if complicated or unresponsive.
O2, analgesia, IV fluids if indicated.
Bronchiolitis:
- causative agent?
- age?
- RSV
- Babies 0-2
Investigations for bronchiolitis?
Nasopharyngeal aspirate or throat swab
RSV rapid testing and viral cultures
FBC
Home or hospital for bronchiolitis?
Hospital if severe apnoea/resp distress: grunting, RR>70, central cyanosis, sats<92%,
Consider hospital if rr>70, inadequate fluids, clinical dehydration
No role for antibiotics, steroids or bronchodilators
What is asthma?
Chronic obstructive resp disease characterised by episodic exacerbations of bronchoconstriction
Presentation of asthma?
- Cough - nocturnal
- SOB
- wheeze/whistling
- chest congestion/tightness
Diagnosis of asthma in children?
- If under 3: may use wait and see approach
- If under 5: need to go off the history
- If over 5: spirometry, PEF
Acute management of asthma?
- Oxygen if needed
- SABA
- Prendisolone 1mg/kg IV
If no improvement:
- IV salbutamol bolus
- Aminophylline/MgSO4/salbutamol infusion
Long-term asthma management in under 5s?
- SABA for wheeze episodes (salbutamol prn)
- ICS (beclametasone)
- Leukotrine-receptor agonist (montelukast)
- stop LTRA and refer to asthma specialist
List three possible side effects of inhaled corticosteroids
- Adrenal suppression
- Growth suppression
- Osteoporosis (although this has not been shown to affect bone fractures)
Wheeze vs stridor?
Wheeze = expiratory, polyphonic
Inhalers: name 2 ‘preventers’.
ICS act as ‘preventers’ e.g. beclamethasone, budenoside.
Inhalers: name 2 ‘relievers’.
Beta agonists e.g. salbutamol.
Muscarinic antagonists e.g. ipratropium bromide.
Why might asthma treatment fail in children?
- Adherence.
- Wrong diagnosis.
- Environmental factors.
- Choice of drug.
- Bad disease.
Non-resp causes of wheeze?
- GORD
- bronchomalacia
- cystic fibrosis
What constitutes the upper airway?
Nose, pharynx, larynx
Name 3 URTI.
- Rhinitis.
- Otitis media.
- Pharyngitis.
- Tonsillitis.
- Laryngitis.
Name 3 LRTI.
- Bronchitis.
- Croup.
- Epiglottitis (bacterial).
- Tracheitis.
- Bronchiolitis.
- Pneumonia.
Would you expect a patient with bronchitis or with bronchiolitis to be hypoxic and tachypnoeic? Explain why.
Bronchiolitis.
Bronchiolitis affects the respiratory portion of the airway, where gas exchange takes place therefore you may see hypoxia and tachypnoea.
Bronchitis affects the conducting portion of the airway and so is unlikely to have these effects.
Name 4 LRTI that could be caused by RSV.
- Acute bronchiolitis.
- Wheezy bronchitis.
- Asthma exacerbation.
- Pneumonia.
- Croup.
Why are infants more susceptible to descending infection?
Infants have a poor innate immune response and so are more susceptible to descending infections.
What is croup?
Acute larngotracheobronchitis.
Describe the cough that is associated with croup.
A barking seal like cough - often worse at night.
How do you treat croup?
usually self-limiting
can give steroids e.g. dexamethosone, beclamethasone.
Describe the aetiology of recurrent wheeze.
- Persistent infantile wheeze.
- Viral episodic wheeze.
- Asthma.
What is persistent infantile wheeze normally associated with/exacerbated by?
Persistent infantile wheeze tends to affect the small airways. It is associated with parental smoking or post-viral infection.
Are inhalers likely to help a child with persistent infantile wheeze?
No. Inhalers are unlikely to help; symptoms will improve as the child gets older.
Are inhalers likely to help a child with viral episodic wheeze?
Bronchodilators may help but there is no benefit from inhaled steroids.
Symptoms are likely to improve with age.
Viral induced wheeze:
- common causes?
- affects which age?
- RSV, rhino virus
- children aged 2-5
VIW vs bronchiolitis?
Bronchiolitis: babies, 3-5 days gradual build up
VIW: 2-5 yrs, viral prodrome for 1-2 days then suddenly worsens
How to manage a viral induced wheeze?
Reliever inhaler for the minority=SABA=salbutamol
If SABA 2-10 puffs PRN to max 4 hourly via a spacer
Otherwise, supportive/comfort care
How to identify viral induced wheeze (how does it differ from asthma)?
- No wheeze with exercise
- No interval symptoms
- No excess of atopy
- No benefit from regular inhaled steroids
- No wheeze except with viral infections
Pathaphysiology of cystic fibrosis
Autosomal recessive
Reduced airway surface liquid impedes mucus clearance allowing excessive bacterial growth
Pancreas: duct occluded in utero leading to pancreatic insufficiency (can lead to CF-related DM)
GI: increased mucus can cause meconium ileus
Biliary tree: can have cholestasis leading to neonatal jaundice
Neonatal test to identify CF
Heel prick- Guthrie test
Investigations for CF:
Sweat chloride over 60mmol/L
CXR, sweat test, glucose tolerance test, microbiology, LFT, coag, bone profile, PFTs- all generally involved in annual assessments
Name 2 respiratory illnesses that can present with stridor.
- Croup - often a louder stridor.
- Acute epiglottitis - often a quieter stridor due to inflamed epiglottis blocking oesophagus and trachea.
Why are children more at risk of epiglottitis than adults?
Epiglottis is floppier, broader, longer and angled more obliquely to trachea and have a larger tongue
Therefore higher risk of acute airway obstruction
Aetiology of epiglottitis?
Reduced since the Hib vaccination
Normally Haemophilus infleunzae and Streptococcus pneumoniae which locally invade
V rarely due to trauma or non-infectious causes
Presentation of epiglottitis
- S.O.B
- Drooling
- Difficulty swallowing (dysphagia)
- Muffled voice (dysphonia)
- Typically no cough
- Stridor is a late sign
Describe the immediate management for acute epiglottitis.
Secure the airway - anaesthetist, ENT surgeon.
Management of epiglottitis
Oxygen, nebulised adrenaline, IV antibiotics (3rd gen cephalosporins eg ceftriaxone), IV steroids, nil by mouth until airway improved
Name a bacteria that causes acute epiglottitis.
H.influenzae B.
Acute epiglottitis is a severe acute illness.
You do a lumbar puncture and find raised proteins and low glucose. Is this likely to be due to a bacterial or a viral infection?
Bacterial.
Give 3 potential consequences of hearing loss.
- Speech and language delay.
- Social problems e.g. behavioural issues.
- Academic underachievement.
How does hearing loss in children often present?
- Parental concern.
- Speech, behavioural or educational problems.
- Incidentally on screening.
What are the 3 types of hearing loss?
- Conductive hearing loss.
- Sensori-neural hearing loss.
- Mixed.
Give 3 causes of conductive hearing loss.
- Glue ear.
- Ear wax.
- Otitis media.
- Perforated ear drum.
Describe the management of conductive hearing loss.
Conductive hearing loss is usually ENT managed:
- Wait and wait - most will resolve on their own.
- Grommet insertion.
- Temporary hearing aid.
Give 3 risk factors for sensori-neural hearing loss.
- Family history.
- SCBU.
- Consanguinity.
Describe the management of sensori-neural hearing loss.
Sensori-neural hearing loss is often managed by a paediatrician. Treatments involve hearing aids or cochlea implants.
How would you manage mixed hearing loss?
You would address the conductive problem first and then offer a hearing aid.
When is hearing tested in children?
- New-born hearing screen.
- School entry hearing test.
- Long term monitoring is done in high risk groups.
Is the new-born hearing screen an objective or subjective test?
It is an objective test - response or no response.
If there are concerns, the patient is followed up with evoked response audiometry.
What are the 3 aims of hearing testing in children?
- Measure hearing threshold (dB).
- To be frequency specific (Hz).
- Obtain single ear information if possible.
Name 4 types of subjective hearing testing.
- Behavioural observational audiometry.
- Distraction testing.
- Visual reinforcement audiometry.
- Performance testing and play audiometry.
Name 2 bacterial and 2 viral organisms that can cause acute otitis media.
Bacterial: S.pneumoniae., H.influenzae.
Viral: RSV, rhinovirus
come from nasopharyngeal area through eustachian tube
Give 3 symptoms of acute otitis media.
- Severe pain lasting weeks
- Coryzal symptoms
- Generally unwell.
- Otorrhoea.
Otitis media investigations?
- ALWAYS test function of facial nerve on examination
- Otoscopy
- Discharge sent for microscopy and culture
Describe the treatment for acute otitis media.
Watch and wait - most spontaneously resolve in 24 hrs
Analgesia.
If recurrent, offer antibiotics and consider a grommet.
Give 2 potential complications of acute otitis media.
- Extra-cranial: mastoiditis, TM perforation.
- Intra-cranial: meningitis, abscess.
What is the function of a grommet?
A grommet keeps the middle ear aerated and prevents the accumulation of fluid in the middle ear.
When might a grommet be indicated?
- Recurrent AOM.
- Chronic otitis media + effusion (glue ear)
- ET dysfunction.
What is the common name for otitis media + effusion?
Glue ear.
What causes glue ear?
Infection!
45% follow AOM.
Presentation of glue ear? Examination findings?
Difficulty hearing and pressure sensation
Examination: TM dull and light reflex is lost
Pathophysiology of glue ear?
inflammatory fluid build up leading to conductive hearing impairment via chronic inflammatory changes and eustachian tube dysfunction
Give 3 risk factors for glue ear.
- Bottle fed
- paternal smoking
- atopy
- genetic disorders egCF and Downs
Causes of deafness in children? (infections)
- Temporary=OME
- Meningitis, mumps and measles
Aetiology of tonsillitis
Viral mostly
Bacterial-group A strep most common (S.pyogenes)
Most common in age 5-15
Tonsillitis- bacterial vs viral assessment
Centor score:
Age, exudate, tender/swollen anterior cervical LNs, temp over 38, absent cough
Management of tonsillitis
Viral is self limiting
Bacterial- should swab for culture and commence antibiotics (usually benzylpencillin)
What are the criteria for considering a tonsillectomy?
- >7 episodes of acute tonsilitis in a year.
- OSA or sleep-deprived breathing.
What is the epidemiology of periorbital cellulitis?
Peak in under 10s
Males twice as commonly affected
Peak occurrence in later winter and early spring
What are the causes of periorbital cellulitis?
S. pneumoniae and S. aureus
How to manage periorbital cellulitis?
If mild preseptal can do from home with broad spectrum empirical abx
If more extensive- hospital, IV abx, supportive therapy
If large abscesses, intracranial complications at px and in frontal sinusitis, need urgent drainage
Complications of periorbital cellulitis?
- Visual related: (vision loss is 11%) start to lose red colour vision (sign of optic nerve compromise)
- Neurological complications: sepsis, intracranial abscess, cavernous sinus thrombosis
Describe the types of manifest and latent strabismus
Manifest:
Esotropia=eye turns in
Exotropia=eye turns out
Hypertropia=eye goes up
Hypotropia=eye goes down
Latent:
Esophoria=inwards under occluder
Exophoria=outwards under occluder
Hyperphoria=up under occluder
Hypophoria= down under occluder
what tests to identify strabismus
Cover test (manifest squint) Cover/uncover test (latent squint)
What shape lens for myopia? For hypermetropia?
Myopia/short sighted= concave
Hypermetropia/long sighted=convex
Causes of microcytic anaemia?
- Iron deficiency
- thalassaemia
- chronic inflamm
Two microcytic anaemias and how you could tell them apart?
Iron-deficiency anaemia (high TIBC on iron profile)
Thalasaemia (low TIBC on iron profile)
What is the most common cause of anaemia in children?
Iron deficiency.
Why are kids more susceptible to iron deficiency anaemia than adults?
30% of their iron comes from diet and 70% from recycled rbcs (whereas adults have 5% from diet and 95% from recycling)
Have higher expenditure
Give 3 signs of anaemia in children.
- Pallor.
- Irritable.
- Lethargy.
- SOB.
- Tachycardic
- Murmur
- Poor growth
Risk factors for iron-deficiency anaemia in infants and children?
Infants = maternal iron deficiency, premature, low birth weight, multiple pregnancy, exclusively breastfed after 6 months
Children=veggie/vegan, GI disorders, chronic blood loss
What is the treatment for iron deficiency anaemia?
Side effect?
- Diet advice, ferrous sulphate tablets
- Constipation
Why does the treatment for iron deficiency anaemia sometimes fail?
Non-compliance.
Give 3 signs of beta thalassaemia major.
- Severe anaemia.
- Jaundice.
- Splenomegaly.
- Failure to thrive.
- Present at 6months+ (when adult Hb takes over)
Describe the management of beta thalassaemia major.
- Genetic counselling.
- Blood transfusions with iron chelation to prevent overload
Long term sequelae of untreated thalassaemia major?
Progressive severe anaemia
Try to compensate with bone marrow expansion and extramedullary haematopoiesis
What may carriers of thalassaemia have?
Mild microcytic hypochromic anaemia
Which type of thalassaemia is generally incompatible with life?
alpha major (4/4 genes missing to make alpha chain)
What does a low reticulocyte count indicate?
A production problem e.g. non-haemolytic.
Infection
Chronic inflamm
Bone marrow malignancy
Bone marrow failure (aplastic)
What does a high reticulocyte count indicate?
A degradation problem e.g. bleeding or haemolysis.
What are some types of haemolytic anaemia?
Intrinsic to RBC:
- sickle cell
- enzyme deficiencies: G6PD, pyruvate kinase
- spherocytosis
Extrinsic:
- auto and alloimmune
- DIC
- TTP
- malaria
How do haemolytic anaemias present?
- Splenomegaly
- Cholecystitis/gall stones
- Jaundice (hyperbilirubinaemia)
- Increased lactate dehydrogenase
- Leg ulcers
Describe the molecular structure of haemoglobin.
Four protein chains (globin) each surrounding a non-protein group (heme).
What is the difference between adult and fetal haemoglobin?
Adult Hb: the four protein chains are made up 2 alpha and 2 beta chains.
Feta Hb: the four protein chains are made up of 2 alpha and 2 gamma chains.
Describe the inheritance pattern seen in sickle cell disease.
Autosomal Recessive.
When do symptoms of sickle cell disease start to present? WHy?
Between 3 and 6 months as HbF levels fall
Pathophysiology of sickle cell disease?
Sickling causes deformed and easily destroyed rbcs= occlusion of microcirculation and chronic haemolytic anaemia
Give 3 consequences of sickle cell disease.
- Life expectancy 20 years younger
- Anaemia.
- Infection.
- Painful crises.
- Stroke.
- Acute chest infection/infarction.
- Aplastic crises
- Splenic sequestration.
What is the affect of sickle cell disease on Hb and reticulocyte count?
Low Hb.
Raised reticulocyte count.
Describe the management for sickle cell disease.
- Hydroxycarbamide.
- Transfusions.
- Stem cell transplants.
-prophylactic penicillin + pneumococcal, influenza and meningococcal vaccines to prevent infections
How does hydroxycarbamide help in sickle cell disease?
Increases foetal haemoglobin production
What is the advantage of being a sickle-cell carrier?
Protected against malaria.
Why are children with sickle cell more predisposed to infection?
How is this prevented?
Microvascular occlusion leads to splenic infarction leads to increased susceptibility to infection, specifically bacterial sepsis.
Prevented by:
-prophylactic penicillin
-pneumococcal, influenza and meningococcal vaccines.
What are some triggers for a painful crisis in sickle cell?
cold
dehydration
infection
hypoxia
What is acute chest syndrome in sickle cell?
Occurs after painful crises.
Presents with pain, resp distress, hypoxia, chest X ray signs.
How can you spot aplastic crises in a child with sickle cell?
- very anaemic
- low reticulocyte count (normally high in sickle cell)
Cause of aplastic crises in sickle cell?
Parvovirus B19 (slapped cheek)
Most common hereditary/intrinsic haemolytic anaemia in Europeans?
Spherocytosis.
How can spherocytosis be treated?
Splenectomy - can increase RBC survival.
Describe the inheritance pattern seen in hereditary spherocytosis.
Autosomal Dominant.
Describe the inheritance pattern for G6PD?
X-linked recessive
What can trigger haemolysis in G6PD?
- eating broad beans
- infection
- antimalarials
What is haemolytic disease of the newborn?
transplacental maternal antibodies causing alloimmune haemolysis of foetal rbcs
Most commonly due to rhesus alloimmunisation (Rh + rbcs from foetus enter rh - maternal blood circulation)
Why does haemolytic disease of newborn occur then and not in utero?
In utero, bilirubin cleared by placenta
In neonate, liver does clearing and can’t handle high bilirubin load
Presentation of haemolytic disease of the newborn?
Jaundice
Pallor
Hepatosplenomegaly
Severe= oedema, ascites, petechiae
What anaemia will haemolytic disease of newborn present as?
Normocytic. Increased reticulocyte count
Management of haemolytic disease of newborn?
50%= normal Hb and bilirubin and need monitoring for late onset anaemia at 6-8 weeks 25%= mod disease and may require transfusion 25%= severe disease= stillborn or have hydrops fetalis- require immediate resus, temp stabilisation, exchange transfusion.
What is fanconi anaemia?
X-linked/autosomal recessive condition
Bone marrow failure, solid tumours, leukaemia
How to manage fanconi anaemia?
Treat specific symptoms in each patient
Only curative= stem cell transplant
Cancer treatment
Surgery for skeletal malformations
What are the liver dependent clotting factors?
10, 9, 7, 2 = “1972”
Name 2 coagulopathies.
- Haemophilia.
- Von Willebrand disease
what factor is deficient in haemophilia a
clotting factor 8 (classic haemophilia, most common)
Describe the inheritance pattern seen in haemophilia.
X linked recessive.
what factor is deficient in haemophilia b
clotting factor 9 (also known as christmas disease)
how does severe haemophilia present?
- Easy bruising
- Mouth bleeds
- Haematomas
- Joint bleeds
- Increased APTT
how does mild/mod haemophilia present?
Delayed presentation until following trauma or bleeds with surgery/dental extractions
Management of haemohpilia?
Factor VIII for haemophilia a
Factor IX for haemophilia b
How does von willebrand factor work?
Assists in platelet plug formation by attracting circulating platelets and binds to CF VIII, preventing its clearance from the plasma
Presentation of Von Willebrand disease?
Bleeding tendency from mucosa eg epistaxis/menorrhagia, spontaneous bleeding
How to manage von willebrand disease?
tranexamic acid and desmopressin
or
concetrates with vwf or factor VIII-vwf
Testing for 1st degree relatives
When does immune thrombocytopenia occur?
Commonly after viral infection or sometimes after immunisation
What diagnosis would you suspect in a child with a single figure platelet count but is otherwise well?
ITP.
They would have a normal blood film and clotting, just very low platelets.
Management of ITP?
- Most children will not need treatment and recover spontaneously in weeks-months.
- Avoid NSAIDs and aspirin
Give 3 signs of thrombocytopenia.
- Petechial rash.
- Bruising.
- Bleeding.
Give 2 causes of thrombocytopenia in children.
- ITP.
- Marrow failure.
What can trigger acute ITP?
Viral infection.
How to manage fanconi anaemia?
Treat specific symptoms in each patient
Only curative= stem cell transplant
Cancer treatment
Surgery for skeletal malformations
Describe rickets presentation
Rachitic rosary, limb deformity, weakness, misery
Metaphyseal swellings, bowing deformities, slowing of linear growth, motor delay, hypotonia, fractures, resp distress
Causes of low vit d/rickets?
Maternal vitamin D deficiency causes low stores in newborn, exclusive breastfeeding will exacerbate
Lack of dietary intake ie prolonged unsupplemented breastfeeding
What is rickets?
Severe vitamin D deficiency (child version of osteomalacia)
Pathophysiology of rickets?
lack of vit D; inadequate mineralisation of bone matrix
Decreased vit D > decreased calcium and phosphate > secondary hyperparathyroidism
In children, this occurs before the growth plates have closed.
Presentation of rickets?
Hypocalcaemic seizures or tetany, bony deformity (eg genu varum and valgum), irritable and reluctant to weight bear, severe can result in cardiomyopathy
Delayed walking, waddling gait, impaired growth, fractures, dental deformities
Investigating rickets?
Bloods, wrist X ray (long bone showing cupping, splaying and fraying of metaphysis eg champagne glass wrist) required for diagnosis
Management of rickets?
Diet, sunlight, vit D supplementation=oral calciferol and calcium supplement
Maintenance dose of calciferol is recommended for family members
What are the 3 main differentials for a limping child?
- Infection e.g. sepsis/osteomyelitis.
- Trauma e.g. NAI, fracture.
- Tumour.
What is the likely cause of a limp in a child aged 0-3?
- Trauma - toddlers fracture, NAI
- Infection - osteomyelitis, septic arthritis
- Displasia - DDH
What is the likely cause of a limp in a child aged 3-10?
- Trauma
- Infection - transient synovitis, osteomyelitis
- Perthe’s disease.
What is the likely cause of a limp in a child aged 10-15?
- Trauma.
- Infection - osteomyelitis
- SUFE
- Perthe’s disease
What must you remember to consider as a differential in a limping child?
Intra-abdominal pathology e.g. hernia, testicular torsion.
What investigations might you want to do on a child presenting with a limp?
- General observations e.g. HR, BP, T, RR, O2 sats.
- FBC, BM, ESR and CRP.
- XR - AP and lateral views of the the joint and the joints above and below.
- USS - effusion in joints?
- CT/MRI.
Give 3 signs of septic arthritis.
- Children under 2
- Systemically very unwell
- Pain at rest
- Raised WCC and CRP
- Hip = flexed, abducted, externally rotated
Most common cause of septic arthritis?
S. aureus
Septic arthritis investigations and management?
FBC, ESR/CRP, synovial fluid examination and culture, blood cultures. Xray will show later changes (14-21 days)
Surgical emergency: surgical drainage and IV antibiotics- cefuroxime
Describe Kocher’s criteria. What is it used for?
For differentiating transient synovitis from septic arthritis.
- non-weight bearing
- temp> 38.5
- ESR>40 mm/hr
- WCC> 12000 cells/mm
3/4 = septic joint.
What is DDH?
DDH - developmental dysplasia of the hip.
Abnormal relationship of the femoral head to the acetabulum -> aberrant development of the hip.
What tests can be done on clinical examination in the neonatal period to pick up DDH?
- Ortolani test.
- Barlow manoeuvre.
Can be confirmed with USS.
Give 3 risk factors for DDH.
- Female (M:F - 1:8).
- First born.
- Breech birth.
- Family history.
age cut off for uss or pelvic x ray for DDH?
Under 4.5 months = USS
Over 4.5 months= pelvic XR
Describe the management of DDH.
- Pavlik harness.
- Surgical reduction.
Prevention = safe swaddling
What are the 2 main risks associated with the surgical management of DDH.
- Avascular necrosis.
- Re-dislocation.
What is the most common cause of hip pain/limp in children aged 3-10?
Transient synovitis
What is transient synovitis?
Acute onset joint inflammation following illness, often respiratory.
How does transient synovitis differ from septic arthritis?
Transient synovitis:
- no pain at rest
- systemically well
- rest, physiotherapy and NSAIDs often help
- no findings on esr/crp, xray, uss
Transient synovitis management?
- no long term sequelae and self limiting
- Simple analgesia, rest and physio
- Usually resolves within 2 weeks
What is Perthe’s disease?
A self-limiting idiopathic disease characterised by avascular necrosis of the femoral head.
Key points in history for Perthe’s disease?
- 5-10 yr olds
- Developed over weeks
- No history of trauma
- All hip movements limited
- May have referred pain to groin/thigh/knee
- Systemically well
Describe the management of Perthe’s disease.
- If bone age under 6 years: activity restriction, physio, nsaids
- If bone age over 6 years: surgery
Give 3 risk factors for Perthe’s disease.
- ADHD.
- Deprivation.
- Passive smoking.
- LBW.
- Short stature.
What is SUFE?
Slipped upper femoral epiphysis - slippage of the femoral head
Who is likely to be affected by SUFE?
A pre-pubescent obese male.
How does SUFE present?
- several week history of vague groin/thigh discomfort
- Drehmann’s sign (passively flex hip, falls back into external rotation and abduction)
What is the treatment for SUFE?
Surgical pinning of the hip.
Give 3 signs of osteomyelitis in children.
- Joint pain.
- Lethargy.
- Fever.
Name an organism that commonly causes osteomyelitis in children.
Staphylococcus aureus.
Most common site of osteomyelitis in children?
Distal femur and proximal tibia
Pathophysiology of osteomyelitis?
Infection of bone marrow, commonly S. aureus
Inflammatory destruction of bone.
If periosteum involved: necrosis and detachment forming a sequestrum
Bony remodelling causes deformity
NB/ involucrum= viable periosteum separated from underlying bone and forms new bone around it
What is the likely mechanism of osteomyelitis in children?
Haematogenous spread- tends to occur in rapidly growing and highly vascular metaphysis of growing bones (long bones more common)
Investigating osteomyelitis?
FBC, ESR/CRP, blood cultures, bone cultures (gold standard), MRI
Management of osteomyelitis?
Local bone and soft tissue debridement, stabilisation of bone, local antibiotic therapy, reconstruction of soft tissue, reconstruction of osseous defect zone
Antibiotic therapy 4-6 weeks if acute, at least 12 weeks if chronic
IV cefuroxime or IV flucloxacillin, switch to PO if improving.
What is Kohler’s disease?
Osteochondrosis of tarsal navicular bone
A non inflammatory, none infectious derangement of bony growth, affecting the epiphyses
Presentation of kohler’s disease?
Unilateral antalgic gait, local tenderness of medial aspect of foot over navicular bone
Management of kohler’s disease?
Rest, analgesia, avoid excessive weight bearing, short leg cast for immobilisation, treat for at least 6 weeks
Chronic course but rarely over 2 years
3 types of discoid meniscus?
Incomplete (bit thicker and wider than normal), complete (tibia completely covered by meniscus) and hypermobile wrisberg (normal shape but no posterior attachment to tibia)
How will a discoid meniscus present?
More prone to injury than normal shaped meniscus
Some may never experience problems
Most cases= knee problems, vague pain, audible snap on terminal extension, swelling, locking
Management of discoid meniscus?
If asx, do nothing
otherwise, arthroscopic partial meniscectomy and rehab
What is osgood schlatter disease?
Self limiting disorder of the knee
generally in active adolescents before tibial tuberosity has finished ossification, during adolescent growth spurt
Presentation of osgood schlatter disease?
Gradual onset pain and swelling below knee, relieved by rest, provoked by knee extension or hyperflexing while prone
Management of osgood schlatter disease?
Conservative: rest, ice, physio and exercise advice, simple analgesia
Most patients able to return to activity after 2-3 weeks
What is the criteria for making a clinical diagnosis of juvenile idiopathic arthritis?
Joint swelling/stiffness >6 weeks in children <16 and no other cause is identified.
What symptoms are associated with JIA?
- Fever.
- Salmon-pink rash.
- Uveitis.
- Pain.
- Morning stiffness.
- Swelling.
Give 5 potential consequences that can occur if you fail to treat JIA.
- Damage.
- Deformity.
- Disability.
- Pain.
- Bony overgrowth.
- Uveitis.
Subtypes of juvenile idiopathic arthritis?
Oligoarticular (1-4 joints)
Polyarticular (at least 5 joints)- RF positive or negative
Systemic
Psoriatic
Enthesitis-related
Undifferentiated
Qualifying factors for it to be systemic JIA?
at least 2 weeks of fever with at least one of: rash, ln enlargement, hepato/splenomegaly, serositis= pericarditis/pleuritis/peritonitis
Qualifying factors for it to be psoriatic arthritis (JIA)?
Arthritis and psoriasis
or
arthritis and at least 2 of: dactylitis, nail pitting, onycholysis, psoriasis in first degree relative
Qualifying factors for it to be enthesitis related arthritis?
Arthritis or enthesitis and 2 of:
sacroiliac/lumbosacral pain, HLA b27 positive, family history HLA b27 related disease, anterior uveitis
Describe the non-medical treatment for JIA.
- Education, support, liaison with school
- Physiotherapy
Describe the medical treatment for JIA.
- Steroid joint injections.
- NSAIDS.
- Methotrexate.
- Systemic steroids.
5.biologics- etanacerpt.
What extra-articular features might you see in someone with JIA?
- Psoriasis.
- Dactylitis.
- Nail pitting.
- Rash.
- Fluctuating fever.
- Uveitis.
Name a severe, potentially life-threatening complication of systemic onset JIA.
Macrophage-activation syndrome (MAS).
What signs might you see in someone with macrophage-activation syndrome (MAS)?
- High fever.
- Hepatosplenomegaly.
- CNS dysfunction.
- Purpuric rash.
- Cytopaenia.
What is the treatment for macrophage-activation syndrome (MAS)?
- Supportive treatment.
- Steroids.
Give 5 differentials for a painful joint.
Life-threatening differentials:
- Leukaemia.
- Septic arthritis.
- NAI.
Pain and swelling:
- Trauma.
- Infection.
- Reactive arthritis.
- JIA.
Pain and no swelling:
- Hypermobile joint syndrome.
- Perthe’s disease.
Define child development.
The biological, psychological and emotional changes that occur between birth and adolescence as the individual progresses from dependency to increasing autonomy. It is a continuous process with a predictable sequence however each child’s development is unique.
Give 5 influences on a child’s development.
- Genetic factors.
- Stimulating environment.
- Pregnancy factors e.g. premature? Mums health?
- Healthy attachment.
- Medical conditions.
- Abuse/neglect/domestic violence.
- Healthy peer relationships.
- Education.
- Nutrition.
- Parenting style.
What are the 4 domains of child development?
- Gross motor.
- Fine motor and vision.
- Speech, language and hearing.
- Social interaction and self care skills.
What are the developmental milestones for gross motor function?
- Newborn: flexed arms and legs, equal movement in all 4 limbs
- 3m: lifts head on tummy.
- 6m: chest up with arm support, can sit unsupported.
- 9m: craws, pulls to stand
- 12m: walking
- 2 years: walks up stairs, runs
- 3 years: jumps
With regards to gross motor development, at what age would you expect a child to do the following:
a) walking.
b) jumping.
c) crawling.
d) walking up stairs.
a) Walking - 12 months.
b) Jumping - 3 years.
c) Crawling - 8 months.
d) Walking up stairs - 2 years.
What are the developmental milestones for fine motor and visual function?
- 6 weeks: fix and follow
- 6 mo: palmar grasp (picks up cube)
- 1 yr: pincer grip
- 1.5 yrs mo: tower of 3 cubes
- 2 yrs: tower of 6 cubes, draw straight line
- 3 yrs: bridge of 3 cubes, draw circle
With regards to fine motor and visual development, at what age would you expect a child to do the following:
a) drawing with crayons.
b) building a tower of 8 cubes.
c) takes an object in each hand.
d) builds a tower of 2 cubes.
a) Drawing with crayons - 12m.
b) Building a tower of 6 cubes - 2 years.
c) Takes an object in each hand - 6m.
d) Builds a tower of 3 cubes - 18m.
What are the developmental milestones for speech, language and hearing?
- newborn: startles to loud noises
- 6 mo: babbles, turn to sound
- 9 mo: responds to own name, ‘dada’, ‘mama’
- 12 mo: 1 proper word
- 18 mo: nouns e.g. body parts, teddy
- 2 years: verbs e.g. eat, 50+ words, simple sentences (give teddy)
- 3 years: adjectvies e.g. colours, speech mainly understandable
- 4 years: can count 5 objects
With regards to speech, language and hearing, at what age would you expect a child to do the following:
a) form short sentences and name body parts.
b) knows colours and can count.
c) laughs and squeals.
d) has mainly understandable speech.
a) Forms short sentences and name body parts - 2 years.
b) Knows colours and can count - 4 years.
c) Laughs and squeals - 3 months.
d) Has mainly understandable speech - 3 years.
What are the developmental milestones for social interaction and self-care skills?
6 weeks: smile spontaneously
6 mo: finger feeds
9/10 mo: wave bye bye, stranger danger
12 mo: drink from cup, uses spoon/fork
2 years: undresses, dry by day
3 years: parallel play, interactive play evolving, put on t shirt
4 years: play simple board game, gets dressed themself
With regards to social interaction and self-care skills, at what age would you expect a child to do the following:
a) uses cutlery.
b) plays with others, names a friend.
c) smiles.
d) waves bye-bye.
a) Uses cutlery - 12 months.
b) Plays with others, names a friend - 3 years.
c) Smiles - 6 weeks.
d) Waves bye-bye - 9/10 months.
What does ‘The healthy child programme’ encourage?
- Encourages care to keep children healthy and safe.
- Promotes healthy eating and activity.
- Identifies problems in children’s development.
- Identifies ‘at risk’ families for more support.
- Ensures children are prepared for school.
Gross motor developmental red flags?
- Not sitting by 12 months.
- Not walking by 18 months.
Fine motor developmental red flag?
Hand preference before 18 months (cerebral palsy)
Speech and language developmental red flag?
No clear words by 18 months - ASD? Language problems?
3 social developmental red flags?
- No smiling by 3 months
- No response to carers interactions by 8 weeks.
- No interest in playing by 3 years.
Give 5 causes of developmental delay.
- Genetics.
- Pregnancy.
- Factors around birth.
- Factors in childhood.
- Environmental.
Causes of developmental delay: give examples of genetic causes.
- Chromosomal disorders e.g. Down’s syndrome.
- Single gene disorders e.g. Duchenne.
- Polygenic e.g. ASD, ADHD.
- Micro-deletions or micro-duplications.
Causes of developmental delay: give examples of pregnancy related causes.
- Congenital infections e.g. CMV, HIV.
- Exposure to drugs/alcohol e.g. FAS.
- MCA infarct.
Causes of developmental delay: give examples of birth related causes.
- Prematurity.
- Birth asphyxia (due to hypoxia).
Causes of developmental delay: give examples of medical causes that may occur during childhood.
- Infections e.g. meningitis.
- Chronic illness.
- Hearing or visual impairment.
- Acquired brain injury.
How might you investigate developmental delay?
Thorough history and examination. Tailor any investigations to the child e.g.
- Boys not walking by 18m check creatinine kinase for Duchenne.
- Focal neurological signs -> MRI brain.
- Genetic testing.
- Unwell, failure to thrive -> metabolic investigations.
There is no ‘developmental screen’, investigations need to be tailored towards to the child.
Causes of developmental delay: give examples of environmental causes.
- Abuse and neglect.
- Low stimulation.
What is global developmental delay?
Significant delays in at least two of the four areas of development.
Types of epilepsy in childhood?
Absence seizures
Childhood epilepsy syndrome (‘benign’ if can predict from EEG that will stop by certain age)
Infantile spasms=West syndrome
Bects: Rolandic epilepsy (benign epilepsy with centro-temporal spikes)
Juvenile myoclonic epilepsy
Define seizure.
A paroxysmal abnormality of motor, sensory, autonomic and/or cognitive function due to transient brain dysfunction.
-may be epileptic or non-epileptic
Types of seizures? (epileptic and non-epileptic)
Epileptic
- Epilepsies
- Acute asymptomatic seizures
- Febrile seizures
Non epileptic
- convulsive syncope e.g. cardiac syncope, neurally-mediated, hypovolaemic, expiratory-apnoea syncope (blue breath holding spells)
Define convulsion.
A convulsion is a seizure, either epileptic or non-epileptic, with motor components e.g.
- stiffening=tonic
- a massive jerk=myoclonic
- jerking=clonic
- thrashing about=hypermotor
as opposed to a non-convulsive seizure with motor arrest e.g. unresponsive stare, drop attack
Define epileptic seizure.
What makes a seizure eplieptic is the nature of the underlying electival activity in the brain: excessive, hypersynchronous neuronal discharges in all or part of the cerebral cortex.
Define epilepsy.
An umbrella term brain disorders that predispose the patient to having epileptic seizures.
How long do epileptic seizures tend to last for?
30 - 120 seconds.
Give 3 signs of epileptic seizures.
- Movement.
- Tongue biting.
- Head turning.
- Muscle pain.
Causes of epilepsies?
-genetic (70%): caused by allelles at several lociso inhertiace is complex
-structural, metabolic: cerebral dysgenesis, damage (vascular occlusion, infection)
What are febrile convulsions?
Febrile convulsions are epileptic seizures accompanied by fever. They usually occur early in viral infection and tend to be brief generalised tonic-clonic seizures.
Px of febrile convulsion?
Last less than 5 mins, child becomes stiff, then limbs twitch, lose consciousness and may wet/soil themselves
May be sick, foam at mouth and eyes may roll back
Sleepy for up to an hour after event
What is a complex febrile seizure?
Lasting longer than 15 mins
How long do non-epileptic seizures tend to last for?
1 - 20 minutes.
Give 3 signs of non-epileptic seizures.
- Eyes closed.
- Talking/crying.
- Pelvic thrusting.
What 2 broad categories can epileptic seizures be divided into?
Generalised and focal.
Give 3 examples of generalised seizures.
- Absence.
- Myoclonic.
- Tonic.
- Atonic.
- Generalised tonic-clonic.
What are absence seizures?
Seizures where there is a transient loss of consciousness with an abrupt onset and termination. Momentary unresponsive stare with motor arrest, lasts <30s. Developmentally normal but can interfere with school.
Give some possible side effects of the treatment for absence seizures in children?
- Sodium Valporate - weight gain, hair loss, teratogenic.
- Ethosuxamide N+V
How might you investigate suspected absence seizures?
. Observe an episode - hyperventilation, ask the child to blow on a windmill.
2. EEG - would show 3-second spike and wave discharges.
Absence seizure meds?
- Sodium valproate/ ethusoxemide for girls
- Clobazam
What would you expect to see in a tonic seizure?
Generalised increase in tone.
What can absence seizures evolve into?
Juvenile myoclonic epilepsy (JME).
What are the signs of juvenile myoclonic epilepsy?
Clumsiness and GTCS that occur shortly after waking and are often provoked by sleep deprivation.
What would you expect to see in a generalised tonic-clonic seizure?
Sudden onset rigid phase followed by a convulsion in which the muscles jerk rhythmically.
Treatment for tonic-clonic seizures in children?
- Sodium valproate, carbamazepine for girls
- Clobazam
- Side effects of first line treatment for tonic-clonic seizures?
- Contraindication?
- Sodium valproate - weight gain, hair loss, teratogenic
- Carbmazepine - rash, hyponatraemia, can interfere with contraception. Contraindicated in absence and myoclonic seizures.
What would you expect to see in a myoclonic seizure?
Isolated muscle jerking.
First and second line AEDs for focal seizures?
- Lamotrigine/carbmazepine, sodium valproate (not for girls)
- Clobazam
What investigations might you want to do in someone presenting with seizures.
- Eye witness account/video is invaluable!
- ECG.
- EEG.
- MRI or CT.
Why must you do an ECG in those suffering from seizures?
To check for arrhythmia as the cause e.g. long-QT syndrome.
Give 3 potential side effects of AED’s.
- Cognitive disturbances
- Heart disease.
- Drug interactions.
- Teratogenic.
Name common epilepsy syndromes in order of increasing age.
- 3-12 months: Infantile spasms (west syndrome)
- 1-3 yrs: Lennox-Gaustat
- 4-10 years: Benign rolandic epilepsy (15%), childhood absence epilepsy (2%)
- 10-20 yrs: Juvenile absence, juvenile myoclonic
-name does not necesarily correspond to seizures e.g. can have absence and tonic-clonics in “juvenile myoclonic epilepsy”
Name 3 conditions hat are commonly misdiagnosed as epilepsy.
- Sandifer syndrome.
- Benign neonatal sleep myoclonus.
- Syncope.
What is syncope?
Insufficient blood or O2 supply to the brain causes paroxysmal changes in behaviour, sensation and cognitive processes.
What non-neurological disease is sandifer syndrome associated with?
GORD.
Patients present with GORD and a characteristic neck movement disorder.
Common causes of ‘funny turns’? (paroxysmal disorders)
- blue breath holding spells (toddlers)
- reflex anoxic syncope (triggered by pain, fright, discomfort)
- syncope
- migraine
- vertigo
Describe a floppy infant.
Hypotonia, weakness, ligamentous laxity, increased range of joint mobility
What features suggest central hypotonia/UMN in children?
Normal strength, dysmorphic features, normal/brisk tendon reflexes, irritability +/- loud cry, history suggestive of HIE (hypoxic-ischaemic encephalopathy)/birth trauma/sxs hypoglycaemia,seizures
Central=2/3 cases, commonly HIE
What are indicators of peripheral hypotonia/LMN in children?
Decreased strength, reduced/absent reflexes, fasciculation, myopathic face, weak cry
Causes of floppy infant?
Central hypotonia=acute encephalopathies (HIE, hypoglycaemia, intracranial haemorrhage), chronic encephalopathies (cerebral malformations, metabolism errors, chromosomal disorders, endocrine disorders, metabolic disorders), connective tissue disorders (Ehler-Dahlos, OI)
Peripheral hypotonia= spinal cord (syringomyelia), anterior horn cell (spinal muscular atrophy), NMJ (MG), muscular disorders (dystrophies, myopathies), peripheral nerves, metabolic myopathies
What is cerebral palsy?
Non progressive cerebral pathology that leads to a disorder of movement and posture in children.
Damage to immature brain (most between 24 weeks and term)
Why might the clinical signs of cerebral palsy change over time?
The clinical signs may change over time as the brain matures but the underlying aetiology is not progressive.
Classification of cerebral palsy?
- Spastic
- athetoid (hyperkinesia)
- ataxic
- mixed
Give 3 causes of cerebral palsy.
80% antenatal - hypoxia, infection, haemorrhage, ischaemia.
10% peri-natal - hypoxia, infection, haemorrhage.
10% postnatal - hypoxia, infection e.g. meningitis, haemorrhage, encephalopathy, trauma.
Presentation of cerebral palsy?
Motor features- mono/hemi/para/quadriplegia
Don’t meet developmental milestones eg not sitting by 8 months, not walking by 18 months, early hand preference before 1 year
GORD, epilepsy, vomiting, constipation, bladder issues, drooling, orthopaedic problems all common
How to diagnose cerebral palsy?
Definitive dx may not come until 12-18 months
Clinical observation and parental observation
Describe the support that is offered to someone with cerebral palsy.
- Physiotherapists for mobility and hand function.
- SALT for communication.
- Feeding support.
- Sleeping support.
Support for children with disabilities needs to be holistic, child focused and with an MDT approach.
What drug can be used to treat hypertonia in children with cerebral palsy?
Botox
Fits, faints and funny turns causes?
In sleep: benign neonatal sleep myoclonus and parasomnias
On feeding: GORD and sandifer syndrome
Fever: febrile seziures, vaso-vagal syncope
Pain/shock/startle: reflex asystolic syncope, cyanotic breath holding, hyperekplexia
Tired/bored/stress: self gratification behaviour, tics, daydreaming
Excitement: shuddering spells, cataplexy
Potential childhood motor disease?
Tourette syndrome and tics, tremor, dystonia, ataxia, restless legs syndrome, myoclonus, juvenile huntington disease
DSM-V criteria for ADHD
Symptoms must be present before age 12, and present in at least 2 settings, affect functioning.
At least 6 symptoms of inattention for at least 6 months
or
At least 6 symptoms of hyperactivity for at least 6 months
Non drug management of ADHD
parent education and training
CBT can be offered
Meds not advised for pre-school children
Advice: plan day, clear boundaries, brief and specific instructions, incentive schemes, kep social situations short and sweet, exercise, healthy diet, bedtime routine, help at school
Medical management of ADHD
Stimulant drugs (increase dopamine):
Short acting methylphenidate eg ritalin
Long acting methylphenidate eg delmosart
Lisdexamfetamine
Non stimulant drugs (reduced breakdown of noradrenaline):
Atomoxetine (SNRI), guanfacine
Describe autism spectrum disorders
Abnormal development from under 3 years old in:
- social interaction
- communication
- restricted, stereotyped and repetitive behaviour
Diagnosis requires at least 6 symptoms across 3 core areas
Management of autism spectrum disorders
Non-pharm management
behavioural therapies, social skills groups, OT, communication interventions, input from dietician if needed, specialised educational programs and structured support
ICD-10 for anorexia nervosa
Deliberately keeping weight below 85% of expected via restricted diet choice, excessive exercise, induced vomiting, use of appetite suppressants and diuretics Dread of fatness-intrusive overvalued idea Endocrine effects (menstruation stops/puberty delayed if menarche not yet achieved, loss of sexual interest in men)
How to screen for eating disorders?
SCOFF
Do you make yourself sick because you’re uncomfortably full?
Do you worry that you’ve lost control over how much you eat?
Have you recently lost more than one stone (about 6kg) in 3 months?
Do you believe you are fat when others say you are thin?
Would you say that food dominates your life?
Potential clinical signs of anorexia nervosa?
Dry skin, lanugo hair, orange skin and palms, cold hands and feet, bradycardia, drop in BP on standing, oedema, weak proximal muscles (squat test)
Management of anorexia nervosa?
- *1. Family therapy.**
2. IPT.
3. CBT.
Weight restoration at 0.5kg/week - monitor for re-feeding syndrome.
Define bulimia nervosa
Binges followed by compensatory weight loss behaviours eg self induced vomiting, fasting, intensive exercise, abuse of medication
BMI maintained at over 17.5
Describe the aetiology of ADHD.
- Genetic and environmental.
- Neuroanatomical and neurochemical factors too.
- CNS insults e.g. FAS or premature.
ASD signs: communcation, social interaction and social imagination
- Communication: non-verbal communication challenging, only communicate needs, no understanding of jokes
- Interaction: poor eye contact, struggles to understand social roles
- Imagination: no imaginative play, obsessions/rituals struggles with change
RF’s for developing anorexia?
- Social pressure.
- Perfectionist traits.
- Family attitudes to food.
- Low self esteem.
- Occupation/interests.
- Family history.
Give 5 symptoms of depression.
- Loss of interest.
- Fatigue.
- Poor sleep.
- Reduced appetite.
- Low concentration.
- Feelings of guilt and self blame.
- Low confidence.
- Agitated.
- Hopeless.
Describe the non-medical and medical treatment of depression.
Non-medical: Education, CBT, IPT and family therapy.
Medical: fluoxetine, sertraline, citalopram.
Give 3 predisposing factors for a child developing depression.
- Family history.
- Stress in pregnancy.
- Poor attachment.
- Poverty.
- Isolation.
Give 3 precipitating factors for a child developing depression.
- Trauma.
- Drugs.
- Infections.
- Puberty.
- Exam stress.
- Sexual abuse.
- Bullying.
Give 3 perpetuating factors for a child developing depression.
- Chronic illness.
- Malnutrition.
- Ongoing neglect.
- Ongoing poverty.
Describe the foetal circulation.
Placenta -> umbilical vein -> IVC -> RV -> foramen ovale -> LA -> aorta -> umbilical arteries -> placenta.
OR: … RV -> pulmonary artery -> ductus arteriosus -> aorta …
What is the function of the foramen ovale and the ductus arteriosus in the foetal circulation?
They are used to bypass the non-functiong lungs.