Paeds Flashcards
def live attenuated vaccine
version of living microbe that has been weakened
def inactivated vaccine
killed microve
when should you not administer a vaccine
- below age set
- acutely unwell
- anaphylaxis reaction to drug previously
different classification of children by age group
- neonates: birth- 1m
- infants: 1m-2y
- young child: 2-6y
- child: 6-12y
- adolescent 12-18y
red flags of child development
not:
- smiling by 8 weeks
- following objects/face by 3 months
- holdinh head up and turning to sound by 4 months
- reaching for toys by 6 months
- babbling by 8 months
- transfer toys from one hand to another by 9 months
- sitting without support by 9 months
- wave goodbye by 10 months
- mature pincer grip by 12 months
- first word by 15 months
- walking and feeding themselves by 18 months
- symbolic play not reached by 2-2.5y
- talking in sentences by 36 months
causes of stridor
- croup
- epiglottitis
- bacterial tracheitis
- foreign body (laryngeal or oesophageal)
- anaphylaxis
- inhalation of smoke
- trauma
- retropharyngeal abscess
epidemiology of croup
usually 6months to 6years
causes of croup
viral:
- parainfluenza
- adenovirus
- RSV
presentation of croup
- sudden onset, seal like barking cough
- stridor: harsh, rasping
- chest wall and/or sternal indrawing
- typically worse at night and increase with agitation
- hoarse voice
- prodomal: 12-49h prior: non specific URTI
- in moderate to severe cases: child showing signs of resp distress or failure
investigations for croup
clinical diagnosis but
CXR: subglottic narrowing
management of croup
- analgesia
- consider admission if moderate to severe illness or resp rate high with fever
- dose of oral dexamethasone
- emergency: nebulised adrenaline and high flow O2
- safenetting (cant talk, drooling, wants to sit instead of lying, skin between ribs being pulled in, child pale/blue/grey for more than few sec)
cause of epiglottitis
haemophilus influenzae type B (Hib vaccine)
features of epiglottitis
- rapid onset
- high T, generally unwell
- stridor: soft, whispering
- drooling of saliva
- ‘tripod’ position
- voice: muffled, reluctant to speak
investigations for epiglottitis
- direct visualisation
- XRAY if worried about foreign body: thumb sign, swollen epiglottitis
management of epiglottitis
- immediate senior involvement
- DO NOT EXAMINE THROAT (if so, make sure facilities for immediate intubation)
- oxygen
- IV antibiotics
presentation of foreign body inhalation
- sudden onset resp distress
- associated with choking/gagging, coughing, stridor, vomiting
management of foreign body inhalation
assess severity
do they have effective/ineffective cough?
- if effective: encourgae cough
- if ineffective: 5 back blows/5 thrusts (if conscious), open airways 5 breats and start CPR (if unconscious)
what is anaphylaxis
type 1 hypersensitivity reaction
presentation of anaphylaxis
- wheeze
- stridor
- pallor and sweating
- hypotension, tachycardia
- generalised pruritis
- rash
management of anaphylaxis
- adrenaline pen
- antihistamines
- advice on allergen avoidance
haemangioma
- slowly progressive airway obstruction/stridor since birth
- can have capillary haemangiomas (strawberry marks)
- natural course: enlarge over first 12-24 months of life
presentation of GORD in infants
- intermittent breathing difficulties with symptoms of stridor, episodes of colour changes and/or recurrent chest infections
- reduced feeding
- crying on or after feeding or on lying flat
- vomiting
- green faeces
treatment of GORD in infants
- small regular feeds
- correct feeding/burping technique
- meds: carobel feed thickened, gaviscon, omeprazole
- surgery
(tends to resolve with weening)
which groups are high risk for GORD
- neurological or muscular problems
- pre-term
- severe allergy
which sign points towards upper resp tract infection compared to LTRI
wheeze: lower
stridor: upper
signs of increased work on breathing
tracheal tug recession increased resp rate abdominal breating cyanosis 'tripod' position - stridor/hoarse voice/drroling ig upper airway obstruction
def acute, chronic and reccurent cough
acute <3 weeks
chronic: 4-8 weeks
reccurent: 2+ times a year
differentials of cough in children
- congenital heart disease
- asthma
- infection (ie pneumonia)
- pneumothorax (mainly teenagers)
- sarcoidosis
- foreign body inhalation
- CF
- parental cig smoking
- functional ie tics, anxiety
def asthma
reversible, paroxysmal inflammation of the airwyas, accompanied by wheezing, coush, SOB and exacerbated at night and early morning
pathophysiology of asthma
- airway obstruction
- smooth muscle hyperplasia and hyperactivity
- inflammation (histamine bvia IgE mediated allergens: increase mucus prod)
def status asthmaticus
asthma attack that does not respond to immediate medical treatment and is life threatening
types of asthma
- atopic/extrinsic: allergic reaction from extrinsic source
- non-atopic/intrinsic: drug related, exercise, stress, occupational
precipitants of asthma
- cold air and exercise
- emotion
- allergens
- pollution and irritant dust, fumes, vapours
- drugs (NSAIDs, beta blockers)
- diet
- infection, smoking
asthma: grading severity
Moderate:
- PEFR > 50-75% best or predicted with normal speech
- with no features of acute severe or life threatening asthma
Acute Severe:
- PEFR 33-50% best predicted OR
- Resp rate > 5-10 resp/min of normal for each age group OR
- increased HR OR
- inability to complete sentences OR
- inability to feed in infants w/ O2sats > 92%
Life Threatening:
- PEFR < 33% best or predicted OR
- O2sats < 92% OR (any of the following individually
- altered consciousness, exhaustion, cardiac arrhythmias, hypotension, cyanosis, poor resp effort, silent chest, confusion
what are predicters of good control of asthma
- no day symptoms
- no night waking
- no rescue meds
- no asthma attacks
- normal lung function
- minimal side effects
management of asthma (chronic)
- control of asthma: treat when needed and decrease treatment when control is good, check asthma technique
- non pharmacological (quit smoking, lose weight, breathing exercises, avoid allergens, info and support advice, assess for depression and anxiety)
- pharmacological: SABA (PRN), ICS (if use SABA/have symptoms > 3*week, wake up at night at least once a week due to symptoms), LTRA (added to ICS), LABA (if LTRA not controlling it, replace LTRA with LABA)
management of acute exacerbation of asthma
- O2: maintain 94-98%
- SABA: 1 puff every 30-60s, up to 10 puffs, repeat 10-20s (if life threatening or hypocis: nebulised 5mg) (monitor K+)
- ipratropium bromide nebs if poor response to salbutamol
- IV magnesium sulfate (monitor BP)
following acute exacerbation of asthma, what is the discharge plan
- any current change in meds
- review by GP 48h later, weaning off plan
- clinic appointment 2 months later
diagnosis of asthma
- under 5s: clinical
- spirometry with bronchodilator reversibility test (BDR)
- FeNO (fractional exhaled nitric oxide): levels rise in inflammatory cells
- check not occupational
assessment of child with suspected pneumonia
- severity assessment: PEWS, physical exam, degree of agitation and consciousness (signs of hypoxia), signs of exhaustion and hydration status
- refer to hospital if seriously ill
epidemiology of CF
- autosomal recessive condition
- most common in caucasians
- affects 1:2500 births
pathophysiolofy of CF
abnormal ion transport across epithelial memebranes:
- in airways: reduction of airway surface liquid layer
- dysregulation of inflammation and defence against infecction
- sweat glands, pancreatic ducts, intestine affected
which organisms colonise CF patients
- staphylococcus aureus
- pseudomonas aeruginosa
- burkholderia cepacia
- aspergillus
diagnosis of CF
- screening; heel prick test: raised immunoreactive trypsinogen
- check common CF gene mutations: if 2 present:
- sweat test to confirm diagnosis
clinical features of CF
- lungs: thick, sticky mucus buildup, bacterial infection and widened airways
- skin: salty sweat
- sinusitis
- blocked biliary ducts (cirrhosis and portal hypertension)
- blocked pancreatic ducts (DM)
- maldigestion and absoprtion (pancreas insufficiency) + mecomium ileus and distal intestinal obstruction
- vas deferens and fallopian tube blockage: sterility
Management in CF
- ohysio x2 daily for airway clearance and postural drainage
- high calorie diet (including fat intake), vit supplements and pancreatic enzyme supplements with each meal
- prophylaxis oral antibiotics
- minimise contact with other CF patients
- nebulised d>Nase or hypertonic saline helps with mucus viscosity
- lung transplant
different types of Heart problems in children
- congenital: acynotic cyanosis
- aquired: myocarditis, rheumatic heart disease
- Inherited: HOCM, Marfan’s syndome
types of acynotic congenital heart disease
- septal defect (ventricular and atrial)
- aortic/pulmonary stenosis
- coarctation of the aorta
- patent ductus arteriosus
- mitral/tricuspid stenosis
types of cyanotic congenital heart disease
5Ts
- Fallot’s Tetralogy
- TGA (transposition of great arteries)
- complete atrio-venTricular septal defect
- tricuspid atresia
- truncal arteriosus
non specific symptoms in CHD
- poor feeding/weight loss
- SOB/increased work on breathing
- clammy when breathing
- increased sleepiness
- irritability
non specific signs of CHD
- cyanosis
- tachycardia
- tachypnoea
- murmurs
- enlarged liver
- crackles
specific symptoms/signs in coarctation of the aorta
- cold feet/legs
- femoral pulse weak/Absent
- systolic hypertension of upper limbs, BP arms»_space;> legs
- headaches and abdo/leg cramps
specific signs in patent ductus arteriosus
- bounding pulses
- increased systolic BP
Fallot’s tetralogy parts
- ventricular septal defect
- large overriding aorta
- right ventricular hypertrophy
- pulmonary artery narrowing
specific signs of Fallot’s tetralogy
clubbing
TGA presentation
central cyanosis at birth
tricuspid atresia problem
no tricuspid valve: no blood flow from RA to RV
truncus arteriosus problem
connection between aorta and pulmonary artery
risk factors for CHD
- maternal factors: anti seizure meds or lithium during pregnancy, uncontrolled DMT1, lupus, rubella in T1
- FH
- chromosomal abnormalities (trisomy 13 or 18, Down’s syndrome, turner’s, Karageners, DiGeorge, cri du chat)
management of CHD
- oxygen if cyanotic
- digoxin, diuretics
- adequate nutrition (if poor feeding)
- catherisation or surgical repair
- prostaglandin with TGA and prostaglandin inhibitors with PDA
neonatal blood spot screening
- congenital hypothyroidism
- CF
- sickle cell disease
- phenylketonuria
- MCADD (medium chain acyl-CoA dehydrogenase deficiency)
- maple syrup urine disease (MSUD)
- isovaleric acidaemi
- glutarix aciduria type 1
- homocysturia (HCU)
risk factors involved in child maltreatment
child:
- younger, increased needs, low birth weight, multiple births
parental:
- younger, mental illness, drug/alcohol abuse, domestic violence, low SES, parents were abused, criminal hx, chaotic/socially isolated families, vulnerable/unsupported parents, previous child maltreatment in other member of family, known maltreatment of animals
what is the toxic trio of maltreatment
- domestic violence/abuse
- parental mental illness
- parental substance misuse
elements in Hx pointing towards NAI
- no mechanism offered/mechanism not consistent with injury
- delay in reporting the injury/seeking medical attention
- inconsistent Hx from parents
- inappropriate reaction from parents
- recurrent injuries
- injury inconsistent with child’s age, development, mobility
NAI fractures presentation
- metaphyseal fractures
- posterior rib fractures
- fractures of different ages
- complex skull fractures
- long bone shaft fractures in non-mobile child
NAI bruises presentation
- face, back, buttocks (soft tissues)
- bruises outline particular object
- pattern of bruising ie fingertips
NAI burns presentation
uniform shape
glove-stocking distribution
presentation of NAI in a baby
- irritability
- poor feeding
- increased head circumference
- seizures
- reduced GCS
- full frontanelle
- anaemia
- retinal haemorrhage
fabricated or induced illness presentation
- often background of existing disease
- bizzare illness events
- strnage new symptoms
- parental reportage out of keeping with physical signs
- symptoms not witnessed by others
- unneeded operations
management of fabricated or induced illness
FII (fabricated or induced illness) pathway
neglect presentation
- failure to thrive
- inadequate hygiene
- poor development or emotional attachment to child’s caregiver
- delay in development in speech and language
- poor attendance in school and health appointments
- failure to supervise/unsupervised young children at home
how to do child protection medical assessment
- must be done by registar + level paediatrician and have named consultant on sheet
- full Hx, exam, growth chart, obs, body map, photography, investigations as appropriate
- child must be questions away from carers
differentials to NAI bruising
- accidental injury
- mongolian blue spots
- leukaemia or aplastic anaemia
- platelet and coag pb: immune thrombocytopaenic purpura, haemophilia A, vWd, chrismas disease
- meningococcal septicaemia, Henoch schonlein purpura
differentials to broken bone
- NIA
- accidental injury
- osteogenesis imperfecta
- copper, vit D or vit C deficiency
- ehler danlos or other hypermobility syndromes
- JOBs syndome
differentials for abdo pain and diarrhoea
common:
- constipation
- infectious gastroenteritis
- acute appendicitis
- UTI
- abdominal trauma
- primary dysmenorrhea
- pneumonia
- functional (IBS or abdominal migraine)
- coeliac disease
less common
- intussusception
- Merkel’s diverticulum
- mesenteric adenitis
- Hirschprung’s disease
- IBD
- small/large bowel obstruction
- volvulus
- necrotising enterocolitis
- peptic ulcer disease
- GORD
- DKA
- neoplasm: neurobladtoma or Willms nephroblastoma
differentials of meleana
- bacterial diarrhoea
- IBD
- tearing from anal vein
- polyp
- intussusception
presentation of IBD
- diarrhoea (non bloody (crohns) /bloody (UC))
- abdo pain
- pyrexia
- oral ulcers (crohns)
- abdo mass in RIF
- PR bleeding (UC)
- mucus/pus
- tenesmus
- perianal disease
- weight loss
- malabsorption
coeliac disease presentation
symptoms coincide with introduction to cereals
- failure to thrive
- diarrhoea
- abdominal distention and cramping
- nausea and vomiting
- anaemia
- weight loss
Willms nephroblastoma presentation
- abdominal mass (unilateral)
- painless haematuria
- flank pain
- anorexia
- fever
management of willms nephroblastoma
- refer for paediatric review within 48h
- nephrectomy, chemotherapy, radiotherapy
investigations for IBD
- serum FBC, inflam markers, U&Es, LFTs, TFTs, ferritin, B12, folayte, vit D and coeliac serology
- stool microscopy and culure (C diff toxin and faecal calprotectin)
- colonoscopy with biopsies
- CT for staging (Crohns)
- AXR if obstruction, absecesses, fistulas and strictures
treatment of Crohns disease
may require hospital admission
- stop smoking
- oral/IV corticosteroids for flare ups (mesalazine as second line)
- enteral feeding with elemental diet
- azathioprine ot mercaptopurine to maintain remission
- surgery
treatment of ulcerative colitis
- topical (rectal) or oral aminosalicylate
- oral corticosteroids (second line)
investigation of coeliac disease
- serology: tissue transglutaminase (TTG) antibodies (IgA)
- endoscopic intestinal biopsy (villous atrophy, crypt hyperplasia, increase in intraepithelial lymphocytes, lamina, propria infiltration with lymphocytes)
treatment of coeliac disease
- gluten free diet
- pneumococcal vaccine
pyloric stenosis presentation
- projectile non bile stained vomiting at 4-6 weeks of life
- FH
- males> females
intussusception presentation
- 6-9 months of age
- colicky pain, diarrhoea and vomiting
- suasage shape mass, red jelly stool
when do you need to worry about refeeding syndrome
if patient has not eaten in > 5 days
cause of refeeding syndrome
switch from gluconeogenesis (catabolic state) to insulin release: stimulates glycogen, fat and protein synthesis (anabolic state) results in rapid intracellular uptake of cofactors of potassium, magnesium and phosphate
–> electrolyte imbalance can be fatal
clinical features of refeeding syndrome
- electrolyte abnormalities (hypophosphotaemia, hypokalaemia, hypomagnesaemia, hyponatraemia, metabolic acidosis, thiamine deficiency
- clinical manifestations: muscle weakness, seizures, peripheral oedema, cardiac arrhythmias, hypotensionn delirium
management of refeeding syndrome
- replacement of fluid and electrolytes
- start feeding cautiously
- frequent electrolyte monitoring
- thiamine replacemtn (to avoid beri beri delirium)
what are the risk of rapid weight loss
- refeeding syndrome
- hypoglycaemia
- risk of infection
- cardiac arrythmias
aetiology of anorexia nervosa
- genetic factors
- events around puberty
- cultural promotion of thinness
presentation of anorexia nervosa
behavioural/psychological:
- pre occupied with food
- dysmorphia/feeling fat
- wont eat in front of others
- hiding food
- may be compulsive exerciser
clinical features:
- low BMI
- amenorrhea
- headaches
- cool peripheries/hypothermia
- constipation
- dry skin
- hair loss
- fainting/dizziness/hypotension
- lethargy
- bradycardia
- peripheral oedema
what are the significant mortality in anorexia nervosa
- sudden cardiac death
- suicide
- chronic emaciation and pneumonia
issues with laxative abuse
short term:
- K+ and Na+ de^pletion
- severly dehydrated
- cardiac arrest
long term:
- loss of bowel motility
if try to stop:
- oedema due to refeeding syndrome: CHF and psychological distress of weight gain
diagnosis of anorexia nervosa
- restriction of energy intake relative to requirements leading to low BMI
- intense fear of gaining weight
- dysmorphia
management of anorexia nervosa
physical stabilisation
- commence vitamins (thiamine, vit B complex, multivitamins)
- if not drinking: IV 10% dextrose
- diet plan: aim for 0.5-1kg weight gain a week
MDT apprach:
- child psychiatrist
- dietatictian
- therapists
- paediatrician
relapse prevention:
- transitional phases (ie uni)
- 3rd sector ie BEAT charity