Paeds from lectures Flashcards
What are the red flags for gross-motor development?
Not sitting by 12 months
Not walking by 18 months
It is important to rule out muscular dystrophy in boys who are not walking by 18 months
What are the red flags for fine motor development?
Hand preference before 18 months
- could indicate a neurological condition such as cerebral palsy
What are the red flags for speech and language?
No clear words by 18 months. commonly hearing problem but can be related to a learning disability, autism, or an isolated speech and language problem
What are the red flags for social development?
No response to carers’ interactions by 8 weeks
No smiling by 3 months
Not interested in playing with with peers by 3 year
Lack of smiling might be a sign of visual impairment
Children who are later diagnosed with autism/LD may have shown signs of early social developmental delay
What are the red flags for child growth and development?
- Regression of development
- Poor health/growth
- Significant family history
- Findings on examination e.g. microcephaly, dysmorphic features
- Safeguarding indicators - known to social care, unexplained injuries
What must be checked in boys who fail to walk by 18 months?
Creatinine kinase - it is elevated following muscular injury, can be indicative of Duchenne’s
What inheritance pattern is seen in Duchenne’s?
X-linked recessive
How do you test for Duchenne’s?
- CK test
- Genetic test with blood sample
- Muscle biopsy may be required
What is global developmental delay?
Delay in two or more developmental areas
A boy is 20 months old and is not yet walking. What is on the list of differentials?
- Muscular dystrophy
- Rickets
- Cerebral palsy
- Hip dysplasia
- Neurological (spinal lesion causing mixed UMN, LMN)
- Environmental (neglect, safeguarding)
What are the red flags for a vomiting child?
- Bile-stained vomit
- Haematemesis
- Projectile vomiting
- Abdominal pain on movement
- Blood in the stool
- Severe dehydration
- Headache or seizures
- Failure to thrive
What is bile stained vomit indicative of?
intestinal obstruction
What does haematemesis indicate?
peptic ulceration, gastritis, oesophageal varices
What does projectile vomiting indicate?
Pyloric stenosis
Abdominal pain on movement indicates what?
Surgical abdomen - eg appendicitis
Blood in the stool indicates what?
intussusception, gastroenteritis, nec
Which microorganisms are known to cause bloody stools?
E. Coli
Salmonella
What is haemolytic uraemic syndrome?
Triad of:
- Thrombocytopenia
- Microangiopathic haemolytic anaemia
- Acute renal failure
Following infection with a particular strain of E.Coli, children may present with jaundice and pallour.
Severe dehydration in a vomiting child might indicate what?
- DKA
- Severe gastroenteritis
- Systemic infection
Headache and seizures when combined with vomiting are red flags for what?
raised ICP
Failure to thrive and vomiting can be due to?
coeliac disease or GORD
What are the cardinal findings in pyloric stenosis?
- Metabolic alkalosis
- Dehydration (with abnormal kidney function)
- Hypochloraemia
- Hypokalaemia
What does metabolic alkalosis do to bicarbonate levels?
Metabolic alkalosis elevates bicarbonate levels`
How do you diagnose pyloric stenosis?
- U+E
- ABG
- USS abdo (diagnostic)
How do you treat pyloric stenosis?
Rehydration and correcting electrolyte imbalance Then pyloromyotomy (Ramstedt's)
What would you find on examination of abdo of child with pyloric stenosis?
Visible gastric peristalsis and palpable mass on test feed
How would GORD present in a baby?
Vomiting
feeding difficulties
failure to thrive
How is GORD investigated in child?
- pH impedence study
How is GORD managed in a child?
Conservatively
- smaller and more frequent feeds
- feed thickeners
- optimise position
How does CMPA present in children?
- chronic vomiting
- eczema
- flatulence
- bloody stools
- diarrhoea/constipation
How is CMPA investigated?
skin prick/specific IgE antibody test
how do you treat CMPA in child?
cow’s milk elimination from diet
hypoallogenic infant formula
mother avoids cow’s milk
how does intestinal obstruction present in a child?
acute on chronic vomiting - bilious vomit,
constipation
abdo pain
what can cause intestinal obstruction?
- malrotation (esp in first week of life)
- hirschprung’s
- meconium ileus
- necrotising enterocolitis
How is malrotation diagnosed?
symptoms include bilious vomiting,
Urgent upper GI contrast study with barium
Why is malrotation dangerous?
Can lead to volvulus and infarction of midgut
SMA blood supply to small intestine can be compromised - infarction
How is malrotation treated
surgical
What is hirschprung’s
absence of ganglionic cells from myenteric plexus of large bowel - results in narrow contracted segment of bowel
How does hirschprung’s present?
failure to pass meconium within 48hrs of life
what is hirschprung’s associated with?
down’s
what are the clinical features of hirschprung’s?
abdo distension
later, bile stained vomit
can lead to enterocolitis from C. Diff infection
how is hirschrpung’s diagnosed?
suction rectal biopsy
How is hirschprung’s treated?
Enema
Surgical resection of affected colon
What is meconium ileus?
blockage of the distal ileum due to abnormally thick and impacted meconium. usually due to CF
how might meconium ileus present?
- failure to pass meconium in the first 48hrs
- bilious vomit
- abdo distension
how is meconium ileus diagnosed?
XRay Abdo
how is meconium ileus treated?
stop feeding, drain bile, enema, if enema fails to disimpact stool, surgery
what is necrotising enterocolitis? (NEC)
portion of bowel dies. allows pathogenic colonisation of normal commensal bacteria. can be linked to E. Coli usually occurs in premature infants
how is nec treated?
Nil PO
Prevention: breastfeeding and probiotics
antibiotics, surgery
How does NEC present?
blood in stool
abdo distension
problems feeding
what does bile stained vomit in first week of life indicate?
malrotation until proven otherwise
What is the difference between marasmus and kwashiorkor?
marasmus is malnutrition of all nutrients. insufficient energy intake. symptoms include weight loss, failure to thrive etc
kwashiorkor is insufficient protein intake with adequate energy intake
what is intusussception?
telescoping of proximal bowel into distal bowel
commonly, ileum moves into caecum via ileocaecal valve
when does intuss usually present?
3months to 2 years, more common in boys
what are symptoms of intus?
- severe paroxysmal pain
- draws knees up to chest, pale
- vomiting - may become bilious
- redcurrant jelly stool (blood and mucus)
- sausage shaped RUQ mass (upper quadrant!)
how is intuss investigated?
ultrasound abdo diagnostic (doughnut/target sign)
xray abdo would show distension with absence of air in large bowel
how is intuss treated?
rectal air insufflation(aka pneumatic reducation enema) . analgesia, IV fluids if shocked, laparotomy sometimes
IV antibiotics
what is meckel’s diverticulum?
presence of vitelline duct (usually involutes during foetal development)
how does meckel’s present?
can be asymptomatic can cause - GI bleeding - volvulus - intusussception - umbilical discharge
how is meckel’s treated?
surgical resection
what is the vitelline duct?
joins the yolk sac to the lumen of the midgut in the foetus
what is toddler’s diarrhoea?
chronic non-specific diarrhoea in toddlers
how does toddler’s diarrhoea present
colicky pain
loose stool with undigested food (“peas carrots”)
inc flatus
abdo distension
how is toddler’s diarrhoea managed?
reassurance
increased fat and fiber intake
reduced milk intake
loperamide may be necessary
what is biliary atresia?
progressive fibrosis and oblitertion of intra and extrahepatic biliary tree
why is biliary atresia bad?
chronic liver failure and death within 2 years
how does biliary atresia present?
fine in first 2 days of life, then jaundice (obstructive) = pale stools, dark urine
does biliary atresia cause conjugated or unconjugated bilirubinaemia?
conjugated bilirubinaemia
what are two risk factors for biliary atresia?
down’s or CFC1 mutation
how is biliary atresia investigated?
- Measure transcutaneous bilirubin - conjugated bilirubin would be raised.
- LFT’s would be abnormal.
- ERCP imaging would fail to outline a normal biliary tree.
how is biliary atresia treated?
Kasai procedure
What does coffee-bean sign on abdo x ray indicate?
sigmoid volvulus
How might a strangulated hernia appear in a child?
bilious vomiting
what are the signs of inguinal hernia in a child?
can’t get above it, reducible, often indirect in children. needs surgical repair
what are two types of hernias that present in children?
diaphragmatic and inguinal
how are hernias treated?
surgically
how do diaphragmatic hernias present?
tachypnoea, tachycardia, failure of the lungs to develop correctly,
cyanosis
what investigations would you do for IBD
- endoscopy with biopsy
- low serum albumin (protein loss)
- microcytic anaemia
- high ESR, CRP
how can crohns and uc be differentiated macroscopically?
crohn’s = skip lesions, cobblestoning, strictures
uc = continuous, mucosal ulceration
microscopic differences between uc and crohns
crohns = non-caseating granulomas, transmural inflammation
uc = no granulomas, submucosal
How is Crohn’s treated?
Enteral nutrition (eg Modulen) for 6-8 weeks glucocorticoids
How is remission maintained in Crohn’s
Azathioprine or mercaptopurine
How is UC treated?
glucocorticoids aminosalicylates (mesalazine) (used in remission maintenance)
what is coeliac disease?
AI response by GALT to gliadin
which antibodies are found in Coeliac disease?
Anti-TTG
endomysial antibodies
anti-gliadin
how is coeliac diagnosed?
serum anti-TTG/endomysial.
if positive, endoscopy and biopsy (must have 6 weeks of gluten in diet)
what are the common viruses that cause gastroenteritis?
rotavirus
adenovirus
norovirus
enterovirus
what are common bacterial causes of gastroenteritis?
Campylobacter
salmonella
shigella
e coli
how does gastroenteritis present?
acute onset d+v, fever lethargy abdo pain poor feeding!!! dehydration!!!