Growth and Development Flashcards
What is a normal birth weight?
3.5kg (7lbs)
What is a normal weight at 1yr?
10kg
When is the first micturition normally?
<24 hours
When should meconium have passed by?
<48 hours
How much milk should a baby be having?
150ml/kg/day
When is weaning advised?
6 months
What calorie intake is suggested for babies?
<1yo - 110/kg/day
>1yo - 1000 + (100xage)
How do you calculate maintenance fluids for a baby?
First 10 kg - 100ml/kg/day
Next 10 kg - 50ml/kg/day
After - 20ml/kg/day
When do you expect children to be urinary continent in the day?
2-3 years
When do you expect children to be urinary continent in the night?
3-4 years
When do you expect children to stop soiling by?
By 4 years
How much would you expect neonates to sleep?
16 hours a day
What RR and HR would you expect for a <1yo?
RR - 30-40
HR - 110-160
What RR and HR would you expect for a 1-2yo?
RR - 25-35
HR - 100-150
What RR and HR would you expect for a 2-5yo?
RR - 20-30
HR - 95-140
What RR and HR would you expect for a 5-12yo?
RR - 15-20
HR - 80-120
What RR and HR would you expect for a >12yo?
RR - 12-16
HR - 60-100
What categories can developmental milestones be divided into?
Gross Motor
Fine motor and vision
Speech and language
Social
What do you expect a baby to do at birth?
Startle
Quiets to voice
What do you expect a baby to be doing by 6-8 weeks?
Head held up briefly
Fix and follow - 90 degrees
Vocalise
6 week social smile
What do you expect a baby to be doing by 3 months?
Hold up head & lose palmar grasp reflex
Reach to grasp, hold rattle, fix and follow for 180 degrees
Turn to sound
Laugh
What do you expect a baby to be doing by 4-5 months?
Reach for toys
Play, hands together
Squeal
Excited by food
What do you expect a baby to be doing by 6-9 months?
Sit without support, crawl
Transfer objects between hands, palmar grasp
Babble, turn to voice
Stranger awareness
What do you expect a baby to be doing by 10-12 months?
Cruise furniture
Immature pincer grip
Double syllable babble
Wave bye bye, peak a boo
What do you expect a baby to be doing by 13-18 months?
Walk unaided
Pincer grip, to and fro scribble, build a 3 block tower
Point to body part
Drink from cup, ask for food, indicate wants
What do you expect from a baby by 2 years?
Running and jumping, kick ball
Scribble, build tower of 6-7 blocks
Speak 2 word sentences, name 2 body parts
Difficulty sharing, feed self with spoon
What do you expect from a baby by 3 years?
Ride tricycle, go up and down stairs, hop
Build tower of 9-10 bricks, draw circle
Say name, age, sex, count to 10, name 5 body parts
Mostly toilet trained, undress self, interactive play
What do you expect from a baby by 4 years?
Stand on 1 leg
Copy square/cross, build 10 block tower
Tell story, use past tense, count to 20
Dress with help, parallel play with other children
What do you expect from a baby by 5 years?
Skips
Draw triangle
Know colours, age, address
Name friends, comforts in distress
When assessing delay, what do you have to think about?
Global delay or isolated milestone?
Abnormal or just a variant of normal?
Neurological signs?
What are the possible causes for delayed walking?
Cerebral palsy
Muscular dystrophy
Global delay as part of syndrome
Neurology related (maternal drinking, head injury, malnutrition)
How would you assess delayed walking?
When did the parents walk? Significant FH Has carer been encouraging walking Assess tone and muscle control Babinski reflex
What are some primary causes of speech delay?
Receptive language disorder
Expressive language disorder
What are some secondary causes of speech delay?
Structural defects - cleft lip, tongue tie Deafness Autism Selective mutism Learning disability Familial
How is speech delay assessed?
Hearing test
Can they understand and not speak or not understand?
Assess non-verbal
What is prenatal growth dependent on?
Maternal size and nutrition
Intrauterine environment
Insulin, insulin like growth factor and human placental lactogen
What is infantile growth dependent on?
Nutrition
What is childhood growth dependent on?
Growth hormone
General health
What is pubertal growth dependent on?
Sex steroids - oestrogen and testosterone
Growth hormone
What is failure to thrive?
Descriptive term for child drowning less than expected during first 3 years of life
In America - child cross 2 major gentiles on growth chart or fall below 3rd centile
Is it worrying if a child falls through the height centile in the first 2 years of life?
Depend on how child is:
If healthy and happy, no need for concern, likely genetic
Consider parental height
What is the normal pattern of weight change for a newborn?
Lose 10% of weight in first few days but regain within 2 weeks
What are most cases of failure to thrive due to?
Undernutrition - 95%
What are some other causes for failure to thrive?
Excess food loss
Inadequate absorption
Increased energy requirements
What could cause a child to have inadequate intake?
Feeding disorders - reflux, Hx of NG tubes
Structural issues - oesophageal stricture, atresia, TOF
What are some causes for excess food loss?
Severe vomiting - GORD, pyloric stenosis, raised ICP, malrotation
Diarrhoea - Coeliac, cow milk protein allergy, short gut syndrome
Urine - diabetes
What can cause malabsorption?
Coeliac IBD - UC/Crohns Cystic fibrosis Cow milk allergy Short gut syndrome Parasite
How do you correct for premature babies?
Use a corrected age: Time since birth - degree of prematurity
12 week old baby born at 32 weeks = 12-8 = treated as 4 weeks old
When should premature babies reach a normal head circumference?
18 months
When should premature babies reach a normal weight?
24 months
When should premature babies reach a normal height?
40 months
What areas are important to explore in the history and examination of a child who is failing to thrive?
Feed - what and how much
Nappies - wet and dirty? what is the stool like?
Illness/infection
Maternal interaction with child
Signs of down’s or turner’s
Cyanosed?Jaundice?Tachypnoeic?Muscle tone? Dehydrated?
What strategies should be used before investigating failure to thrive?
Behavioural management:
3 meals and 2 snacks a day
Limit milk to 500ml and limit juice and squash
Increase variety of foods
Praise child when food eaten, ignore if not
Limit meal time to 30 mins
When should children be reviewed by the GP for Failure To Thrive?
Below 2nd centile for height
When should children be reviewed by a paediatrician for FTT?
Below 0.4th centile for height
OR
Drop 2 centiles
Who else should be involved in the management of Failure To Thrive?
Dietician
Psychology
Social services
What investigations can be done for Failure To Thrive?
Bloods
Immunoglobulins - coeliac screen
Sweat test, IEM screen, karyotype, oesophageal pH
Image - barium swallow, CXR, OGD, Small intestine biopsy, Abdo USS, Echo
What prenatal aspects can cause Failure To Thrive?
IUGR
Chromosome abnormalities
Toxin exposure
Premature
What can increase metabolic demand and such lead to Failure To Thrive?
Hyperthyroidism
Chronic heart or lung failure
Malignancy