Paediatrics Flashcards
What is the most common pathogen causing respiratory infections in children?
Respiratory Syncytial Virus (RSV)
Which virus causes the common cold?
Rhinovirus
What is the treatment for tonsillitis?
10 day course of penicillin
What would you see on examination of the ear in otitis media?
Red, bulging, non reflective tympanic membrane
How to treat otitis media?
co-amoxiclav, analgesia
What are the symptoms of croup?
Barking cough, stridor, hoarseness
What is stridor?
A low pitched inspiratory sound caused by upper airways obstruction
What precededs croup?
Coryza and a fever
In what season does croup most commonly occur?
Autumn
What age would you expect a child with croup to be?
2
Treatment of croup
- Oral dexamethasone - 15mg/kg
What would you hear on auscultation in a patient with bronchiolitis?
Widespread wheeze and crepitations
What are the risk factors for bronchiolitis?
Premature birth, pre-existing lung pathology, immunosuppression
If you suspect upper airways obstruction (e.g. in croup and epiglottitis) what should you not do and why?
EXAMINE THE THROAT - may close airways fully
How will a child with epiglottitis look?
Drooling, sitting open mouthed and upright, not speaking or swallowing, tripod position
Treatment for epiglottitis?
IV Cefuroxime
How to tell the difference between croup and epiglottitis?
- No cough in epiglottitis vs barking cough in croup
- Drooling in epiglottitis
- High grade fever in epiglottitis
What bug causes whooping cough?
Bordetella pertussis
What is the treatment for whooping cough?
Erythromycin
What are the symptoms of whooping cough?
Inspiratory whoop in between coughs, severe cough which may end in vomiting, subconjunctival haemorrhage
What is the most likely cause of pneumonia in newborns?
Group B strep from mother’s genital tract
What are the symptoms of pneumonia?
- Fever
- Increased work of breathing
- Tachypnoea
LABAs e.g. …………. should always be used in conjunction with………?
Salmeterol, inhaled corticosteroids
Asthma add-on therapy in under 5s?
Montelukast
What are the features of a severe asthma attack?
- Silent Chest
- Sats <92%
- Cyanosis
- Fatigue and drowsiness
How to treat a severe asthma attack? (4)
- Oxygen
- Steroids
- B2 agonists
- Ipratropium bromide nebulised
What would you be worried about in a persistent wet cough?
Bronchiectasis
What changes happen in the heart at birth?
The foramen ovale (link between atria) closes
The ductus arteriosus (shunt between aorta and pulmonary arteries) closes
When will neonates present with heart failure?
When the ductus arteriosus closes at 1-2 days old
How will a neonate present with heart failure?
murmur, shock, cyanosis, acidosis, collapse
What makes you think a heart murmer is NOT benign?
- Diastolic
- Thrills
- Radiation
How to treat heart failure in neonates?
Prostaglandins to keep the ductus arteriosus open
What causes heart failure in neonates?
Coarcted aorta, aortic valve stenosis
What causes heart failure in infants?
VSD, AVSD
How does heart failure in infants present?
Breathlessness, pulmonary oedema
How to treat heart failure in infants?
Diuretics and catopril
What is the pathophysiology of kawasaki disease?
Vasculitis of the coronary arteries - causing clots and coronary aneurysms
Who gets kawasaki’s disease?
Boys under 5 years
What are the symptoms of Kawasaki’s?
CRASH and burn:
- Conjunctivitis
- Rash
- Adenopathy - enlarged cervical lymph nodes
- Strabery tongue
- Hands and feet swell and get a rash
- Burn/fever
Treatment of Kawasaki’s?
IVIg and aspirin
What is the possible complication of aspirin in children?
Reye’s syndrome - brain and liver damage
What are the SEPSIS 6? (3 in, 3 out)
- Oxygen
- Fluids
- Antibiotics
- Lactate
- Urine output
- Blood cultures
Which antibiotic to use in suspected sepsis with CNS infection?
Cefotaxime
What are the symptoms of sepsis?
- Tachycardia
- Fever
- Tachypnoea
- Low blood pressure
What would you see in a lumbar puncture in bacterial meingitis?
VERY HIGH WHITE CELLS IN CSF
Treatment of meningitis in patients under 3 months?
IV Cefotaxime and amoxicillin
Treatment of meningitis in 3 months - 16 year olds?
Ceftriaxone
What is the treatment for encephalitis?
IV Acyclovir
What is the usual cause of encephalitis?
HSV - Herpes Simplex Virus
Fever, bulging fontanelles, loss of consciousness, seizure, behavioural change…. what do you think?
Encephalitis
How will the CSF look in bacterial meningitis?
Cloudy/turbid
If the CSF is high in protein and low in glucose, what is the cause of the meningitis?
Tuberculosis (really high and low) or bacterial meningitis
How is necrotising fasciitis treated?
Clindamycin and debridement of necrotic tissue
39 degree fever, diffuse rash, skin shedding, hypotension, fever, chills, vomiting, pain…. what are you thinking?
Toxic Shock Syndrome
What drugs are used to treat tuberculosis and duration of each drug?
RIPE
- Rifampicin (6 months)
- Isoniazid (6 months)
- Ethambutol (2 months)
- Pyrazinimide
Side effect of isoniazid?
Peripheral neuropathy
What qualities would an infection have that would make you worry about HIV?
SPUR: Serious, persistent, unusual and recurrent
A child presents with swollen parotid glands, hepatosplenomegaly, lymphadenopathy and thrombocytopenia - what might they have? How would you test for it?
HIV- DNA PCR
What are the clinical features of an IgE immune response?
Rash, facial swelling, anaphylaxis
Within 10 minutes of ingestion
What are the clinical features of a non IgE response to food?
Failure to thrive, abdominal pain, dairrhoea and vomiting
What is the distribution of eczema in infants?
Face and trunk
A pale patient with recurrent infections, epitaxis and bruising comes to you. What are you worried about? What is causing these symptoms?
Leukaemia
Bone marrow infiltration
Leukemia can cause reticuloendothelial infiltration, what symptoms will you get?
Hepatosplenomegaly, lymphadenopathy and mediastinal obstruction
Name 2 drugs used in the treatment of leukaemia?
Dexamethasone and vincristine
A headache worse in the morning, vomiting on waking and a personality change in children can be a sign of….?
Raised intracranial pressure e.g. in brain tumours
What are the signs of raised intracranial pressure in infants?
Tense fontaelles, head tilt and developmental delay
What drug reduces cerebral oedema?
Mannitol
What causes painless lymphadenopathy?
Hodgkin Lymphoma
A patient comes and has a palpable abdominal mass. What are your 2 differentials? How would you distinguish them? (Cancer)
Neuroblastoma: child is ill
Nephroblastoma: child is well
What are the symptoms of neuroblastoma?
Abdominal swelling/mass, bone pain, limp, malaise
You take a photo of a 2 year old and her eyes flash white. What condition does she have?You notice something else is wrong with her eye… what is it?
Retinoblastoma, she’s squinting
How long is the treatment for iron deficiency anaemia in infants?
Works in 3 days, lasts 3-6 months
What is the clinical picture in aplastic anaemia?
Features of pancytopenia:
- Anaemia due to reduced red cells
- Infection due tor educed white cells
- Bleeding and bruising due to reduced platelets
What is the inheritance pattern of haemophilia A and B?
X-Linked recessive
What indicates severe haemophilia?
Spontaneous bleeding into muscles/joint space
When does haemophilia present?
Age 1 ish - when children start walking/crawling as they are bumping into things and falling over
What is the inheritance pattern of von Willebrand disease?
Autosomal dominant
What is the difference in bleeds between haemophilia and vWB disease?
Bleeding is not spontaneous in von Willebrand
Which clotting factors are vitamin K dependant?
2, 7, 9 and 10
A 7 year old child comes in with easy bruising, and mucosal bleeding. They had a bad cold 2 weeks ago. Blood tests show low platelets. What is the most likely diagnosis?
Immune thrombocytopenia
When do children with hypermobility get painful limbs?
After exercise
When do growing pains occur?
At night
A child who had food poisoning last week presents with a swollen ankle and a low grade fever - what’s the diagnosis? What is the prognosis?
Reactive arthritis, good! Self limiting
A 2 year old child presents with a hot swollen tender joint. Their hip is flexed, abducted and externally rotated. What is the diagnosis? What would you see on FBC?
Septic arthritis
Raised white cells and inflammatory markers
What are the 3 criteria for diagnosing JIA?
- Persistant joint swelling > 6 weeks
- In the absence of infection
- In a child under 16
Name one associated complication of JIA?
Uveitis
What is the treatment for JIA?
- NSAIDs or analgesia
2. Methotrexate
Name some advantages of breast-feeding
- mother and child bonding
- reduces risk of GI infection
- ideal nurtition in the first 4-6 months
- reduces risk of obesity, hypertension and diabetes in later life
How many centile lines drop is mild and severe failure to thrive?
2 = mild 3 = severe
Where is the most common site for intussusception?
Ileum invaginating into caecum through ileal-caecal valve
What is redcurrant jelly stool a sign of?
Mucous and blood = INTUSSUSCEPTION
A child who isn’t eating well, with abdominal pain which started at the centre and now is in the iliac fossa… What is the treatment?
Appendectomy
A pale child with a saussage shaped mass palpable in the abdomen has colicky pain, they are drawing their legs up in pain. Their vomit has bile in it… what’s wrong?
Intussusception
If a child presents with bilious vomiting, tenderness and abdominal pain in the first 3 days of life what is the most likely cause?
Malrotation
What test must you always perform in unexplained recurrent abdominal pain?
Urine microscopy and culture
Abdominal pain associated with headaches is called….?
Abdominal migraine
What is the triple therapy for a peptic ulcer?
- Proton Pump Inhibitor e.g. omeprazole
- Clarithromycin
- Amoxicillin
What does bile-stained vomit indicate?
Intestinal obstruction e.g. intussusception
How might oesophagitis and peptic ulcers present?
Haematemesis
What causes projectile vomiting in the first few weeks of life?
Pyloric stenosis
What are the clinical feautres of gastroenteritis?
Vomiting associated with fever and runny nose
Why might a toddler be pooing out peas and carrots?
Toddler’s diarrhoea - intestines are not fully mature, children grow out of this by age 5
What would you be worried about if there was no meconium? (first stool)
Hirschsprung’s disease, cystic fibrosis
What causes Hirschsprung disease?
Absent nerve plexus in smooth muscle, no peristalsis, bowel contents do not move
What is the treatment for Hirschsprung’s disease?
Resection of the area that lacks nerve fibres
What is Potter Syndrome? What can cause it?
Compression of the foetus due to severe oligohydramnios (low amniotic fluid)
Renal agenesis
Name 3 features of Potter syndrome
- low ears
- beaked nose
- limb deformities
what are the clinical features of autosomal dominant PKD?
haematuria
hypertension
kidney failure in adulthood
Cysts grow on kidneys between normal parenchyma
Where will an obstruction cause bilateral hydronephrosis?
Obstruction at the bladder neck or urethra
A male baby presents with bilateral hydronephrosis. What would you do?
Urgent ultrasound (48 hours) to rule out posterior urethral valves
Which organism causes UTI in boys?
Proteus
A child with bacteriuria, fever and abdominal pain has what kind of UTI?
Upper - pyelonephritis
Best way to get a urine sample in infants?
Clean catch
Treatment of a UTI in < 3 month olds
IV Cefotaxime
Treatment of a UTI in > 3 month olds and children with upper UTI
oral co-amoxiclav 7 days
Treatment of children with cystitis?
3 days trimethoprim
What is the triad for nephrotic syndrome?
- Oedema
- Hypoalbuminaemia
- Proteinuria
What is the treatment for steroid resistant nephrotic syndrome?
salt reduction, diuretics, ACE inhibitors
A 5 year old boy who has just had a cold comes with haematuria, a trunk-sparing rash, aching joints and abdominal pain. What’s the problem?
Henoch-Schonlein Purpura
What is Henoch-Schonlein purpura?
Small vessel vasculitis
Describe the normal gross motor development in a 9 month old?
Can pull themselves up to stand
Describe the age when a child should be able to walk?
1 year
If a child can lift their head on their tummy, grasp an object, laugh and smile spontaneously, what is their developmental age?
3 months
If a child can bang cubes together, pull to sstand, say “dada” and wave bye-bye, what is their developmental age?
9 months
If a child can walk up steps, built a 2 cube tower,, form 2 word sentences - what is their developmental age?
2 years
When can a child build an 8 cube high tower?
Age 3
What is the “median age” of developing a skill?
when 50% of children can do the skill
When should a squint disappear?
12 weeks
When do children develop normal visual acuity?
4 years old
What is the difference between impairment and disability?
Impairment is the abnormal function or loss of physical function, disability is the restriction due to the impairment
What is the most common cause of cerebral palsy?
Vascular occlusion/stroke before birth
What causes 10% of cerebral palsy?
hypoxia during birth (hypoxic-ischaemic encephalopathy)
Name some other less common causes of CP?
meningitis, maternal infection e.g. rubella, hypoglycaemia
What movements occur in dyskinetic CP?
Uncontrolled movements:
- chorea
- athetosis: slow writhing movements which occur distally e.g. splaying fingers
- dystonia
What conditions are associated with quadriplegic spastic CP?
microcephaly, seizures and severe intellectual impairment
What is hemiplegic CP?
When the arm and leg on one side is affected - child tip toe walks on the affected side and shows asymmetric hand function
Is it normal to have asymmetric hand function before 12 months?
Not usually, may bea sign of hemiplegic cerebral palsy
Who is more at risk of conductive hearing loss?
Downs kids, cleft palate and atopic children
Give some features of downs syndrome
Flat occiput, sandle gap between toes, single palmar creases, small mouth and ears
Name 2 conditions of trisomy (nod DS) and a feature of each,
Edward’s (18): prominent occiput, clenched hands with overlapping fingers
Patau (13): cleft palate, polydactyly, absent eyebrows
What is the most common heart defect in Turner’s syndrome?
Coarction of the aorta
What is the treatment for Turner’s syndrome?
Growth hormone and oestrogen replacement
What is uniparental disomy?
The activity of a gene depends on the parent it was inherited from
Give an example of uniparental disomy on chromosome 15?
Prader Willi if Paternal gene is abnormal
Anglemann if Materna; gene is abnormal
Give 5 ways a preterm infant is stabilised.
Surfactant therapy Humidifed incubator Borad spectrum antibiotics CPAP Catheters and IV lines Minimal handling
Name 3 ways of treating Respiratory Distress Syndrome (RDS)
- Surfactant therapy
- CPAP
- Raised ambient oxygen
Who is most at risk of RDS?
28 week or less premature, boy more than girls
What are infants with RDS also at risk of due to ventilation?
Pneumothorax
A bounding pulse and systolic murmur are signs of what in a new baby?
Patent Ductus Arteriosus
How much fluid does a preterm baby need?
60-90ml/kg in day 1
Day 2 increase by 20-30ml/kg
A preterm infant with difficulty feeding, bile stained vomit, distended abdomen and fresh blood in the stool has what?
Necrotising enterocolitis
What are the X-ray features of necrotising enterocolitis?
Distended bowel, intramural gas
A newborn baby has an unstable temperature, bradycardia, resp distress and abdominal distension, what could be going on?
Neonatal sepsis
What to do if you suspect neonatal sepsis?
Sepsis scree, CXR, FBC
Bulging fontanelles in neonates and hyperextension of the neck and back are signs of….?
Neonatal meningitis
What antibiotics are used to treat neonatal meningitis?
Ampicillin and cefotaxime
What are the risk factors for neonatal infection? (3)
Prolonged rupture of amniotic membranes
preterm babies
maternal fever
How would a baby get a listeria monocytogenes infection?
Through the placenta if the mother eats unpasteurised milk, or soft cheese
What is meconium staining of the liquor a sign of?
Listeria infection
What do you use to treat HSV infectino?
Acyclovir
What is the red cell lifespan in neonates?
70 days
What type of bilirubin is present in neonatal jaundice?
UNconjugated
What is the “never event” risk of neonatal jaundice?
Kernicterus: infiltration of unconjugated bilirubin into thebasal ganglia
What is the sign where a baby arches their back due to kernicterus?
Opisthotonos
Name 3 haemolytic disorders causing neonatal jaundice?
Rhesus haemolytic disease, ABO incompatibility, G6PD Deficiency
What should all unwell, vomiting, feverish babies have?
Urine microscopy
What is the treatment for UTI in infants?
Admission needed, IV cefuroxime
What bug is most likely to cause osteomyelitis? What is the treatment?
Staph aureus (skin colonisation) IV cefuroxime followed by oral flucloxacillin
Name the bug: gram negative diplococci in a child with fever and a purple rash…
Neisseria meningitides
What is the treatment for severe vs non-severe pneumonia?
IV benzyl penicillin if severe, oral amoxicillin if mild
What’s wheeze?
A polyphonic expiratory sound caused by the narrowing of small and medium airways
name 3 causes of wheeze
- Persistant infantile wheeze
- Viral episodic wheeze
- Asthma
What do you give to a preterm baby whos blood glucose has dropped?
IV 10% Dextrose
What is the treatment for jaundice?
Phototherapy, exchange transfusion
What may a child sitting in the tripod position have?
Epiglottitis
What pathogen commonly causes infection in patients with CF? What antibiotic is used to treat it?
Psuedomonas auruginosa, pipercillin
Give 2 examples of a cephalosporin - when would they be indicated?
Cefotaxime and ceftriaxone
Sepsis
A strawberry tongue and sandpaper rash is a classic presentation of…?
Scarlet fever
What does APGAR stand for?
Appearance, pulse, grimace, activity and respiratory effort
When should the APGAR be tested?
At 1, 5 and 10 minutes of age
What is unique about the presentation of pertussis in infants?
Instead of a “whoop” there may be periods of apnoea
Describe the symptoms of Acute Lymphoid Leukaemia?
Hepatosplenomegaly, bruising, anaemia
How might anaemia present in a child?
Soft murmer and shortness of breath on exertion
After oral dexamethasone for croup, if the child is not improving what is the next line of treatment?
Oxygen and nebulised adrenaline
What is the ratio of compressions:ventilations in child resuscitation?
15:2
What causes slapped cheek syndrome?
Parvovirus
What is characteristic about the fever in Kawasaki’s?
High grade >39 and not responsive to antipyrexials
What would you hear in a baby with a PDA?
A continuous machinery urmur
What is the treatment for PDA?
Ibuprofen which is an anti-prostaglandin
What is the first line treatment for constipation in children?
Movicol
What are the 4 cardiac abnormalities in Tetralogy of Fallot?
- A large VSD
- Overriding of the aorta (aorta directly over the VSD instead of the left ventricle)
- Right ventricular outflow obstruction/pulmonary stenosis
Right ventricular hypertrophy
When and how would tetralogy of fallot present?
1-2 months after birth with cyanosis and an ejection systolic murmur
What is the classic x-ray finding of tetralogy of fallot?
Boot shaped heart
A baby presents at 2 days of life with collapse, absent femoral pulses, metabolic acidosis and hepatomegaly - what is the diagnosis?
Coarctation of the aorta
What do infantile spasms look like?
repeated flextion of the head/trunk followed by extension of arms
Another name for croup is
laryngotracheobronchitis
What are the triad of features in shaken baby syndrome?
retinal haemorrhage
encephalopathy
subdural haematoma
What is ebstein’s anomaly? What causes it?
low insertion of tricuspid valve
large atrium and small ventricle
Lithium exposure in utero
What would you see on x-ray in meconium aspiration syndrome?
patchy infiltrations
atelectasis (collapse of lung)
What may congenital rubella lead to?
Sensorineural deafness
cataracts
What are the chracteristic features of toxoplasmosis infection?
Cerebral calcification
Chorioretinitis
Hydrocephalus
What are the chracteristic features of cytomegalovirus infection?
growth retardation
purpuric skin lesions
What is in the 6-1 vaccine and when is it given?
diphtheria, tetanus, whooping cough, polio, Hib and hepatitis B
Given at 2, 3 and 4 months
A child under 3 months has a fever - what should you do?
Refer for paediatric assessment that day
What is the barlow’s test for developmental dysplasia of the hip?
Try to dislocate an articulated femoral head
“goign out to the bar.. .and you ought to come home” refers to what?
Barlow’s test - dislocate the hip
Ortalani test - return the dislocated hip
Blood in the stool of a preterm baby probably indicates…
Necrotising enterocolitis
What metabolic abnormality do you see in pyloric stenosis?
Hypochloremia
hypokalaemia
metabolic alkalosis
How does perthes disease present?
progressive hip pain, limp and stiffness
What is the complication of using lithium in pregnancy?
Ebstein’s abnormailty