Paediatric lectures Flashcards
Paediatric history differences
Antenatal/ postnatal
Immunisations
Development
Antenatal and postnatal questions
Gestation Growth scans Special care Mode of delivery Weight
Immunisations questions
Shows how theyre interacting with healthcare
Measles?
Development history
Ask parents what they can do
Paediatric social history
Smoking
School
Pets
Examination differences
Observation is important
Opportunistic
Which pulse do you do in babies
Femoral
Heart failure in children
Scrotal and labial oedema (gravity)
Perioorbital oedema
How is oedema different in children
No pitting
How to assess hydration in children
Fontanelle
Respiratory examination differences
They get recessions as rib cage isnt calcified
- tracheal tug
- head nod
Abdominal examination differences
Do SHRUG
Neurological examination differences
chair?
4 domains of development
Gross motor
Fine motor and vision
Speech and hearing
Social and emotional
When should you smile by
6 weeks
Who developed pGALS
Versus arthritis
Theres an app
What to use for development
MRCPSYCH A4 sheet
ADHD age
kids act a 3rd younger than they are
3 core symptoms of ADHD
Inattention
Impulsivity
Hyperactivity
ADHD Diagnosis
Inattentive
Hyperactive/impulsive symptoms
Criteria for hyperactive/ impulsive symptoms
Present before 12 years
Developmentally inappropriate
Several symptoms in 2 or mroe symptoms
Clear evidence symptoms effect on function
Inatttentive symptoms
Easily distracted
Hyperactive symptoms
Talks excessively, cannot perform quietly
Impulsive symptoms
Blurts out answers, difficulty awaiting turn
What are ADHD at risk of
Risky behaviour
What birth age is likely to lead to ADHD
Preterm birth
New accurate test for ADHD
QB test
Causes of ADHD
Polygenetic
CNS insults
Environmental factors
CNS insults which can cause ADHD
Prematurity
Fetal alcohol syndrome
NF
Treatment of ADHD
Education Parenting programme School support Medications Examinations Healthy lifestyle
Which disease is high risk in ADHD
Cardiac disease
Treatments for ADHD
Stimulants or non stimulants
Stimulant for ADHD
Methylphenidate
Autism key areas
Social communication
Social interaction
Social imagination
Sensory issues
Communication difficulties in autism
Lack of desire to communicate
Communicating needs onlyu
Disordered or delayed language
Language pause at 20 months is suggestive of
Autism
What is echolalia
repeating back, happens in autism
Social interaction in autism
No desire to interact with others Being interested in others to have needs met Lack of motivation please others Affectionate on own terms ONE SIDED IN PLAY
Play interaction in autism
Using toys as objects Inability to play or write imaginatively Poor problem solving Resist change Obsessions and rituals
What are the differences in obsessions between OCD and ADHD
OCD= anxiety and upsetting ADHD= enjoyable and relaxing
What commonly coexists with Autism
ADHD
Management for autism
Education and information
Parenting workshop
School support
Manage comorbidity
What aids are useful in ADHD
Visual aids
What should you consider in paediatric haemotology
Different referrence ranges, also depends on gestation
Where are blood cells made in childhood
At birth all bone marrow cavities, with age it is central bones
Which central bones produce stem cells in later childhood
Vertebrae
Sternum
Ribs
Pelvis
Describe pluripotent stem cells
Develop into precursor cells that give rise to mature erythrocytes, monocytes, megacaryoctes or lymphocytes.
Regulated by cytokines
3 mechanisms of anaemia
Decreased production
Increased consumption
Increased loss
What does low reticulocyte count suggest
Lack of production
What does high reticulocyte production suggest
Haemloysis or blood loss
Hypochromic microcytic anaemia
Iron deficiency
Thalassaemia
Normochromic normocytic anaemia
Chronic
Blood loss
Malignancy
Macrocytic anaemia
Vit B12
Folate
Hypothyroid
High reticulocyte anaemia
Haemolytic
Causes of hameolysis
Haemoglobinopathy
Enzymopathy
Membranopathy
Immune haemolytic anaemia
Causes of severe anemia at birth
Haemolytic disease of the newborn
Bleeding
Cause of haemolytic disease of the newborn
Rhesus negative mother, rhesus positive baby
Signs and symptoms of haemolytic disease of the newborn
Severe anemia
Compensatory enlargement of spleen and liver
Treatment of haemolytic disease of the newborn
Prevention of sensitisation with Rh.
Intrauterine transfusion of affected fetuses
Physiological anemia of the newborn
Fall in Hb from birth
Anaemia of prematuirty
Low birth weight infants have poor erythropoietin response
Iron deficiency anaemia
Poor intake and increased requirement
Breast feeding and infection
Much more dependent on dietary sources
Why do cows milk toddlers get anaemia
Reduces absorption of iron
Presentation of anaemia
Pallor Irritability Anorexia Tachycardia Murmur
Treatment of iron deficiency
Oral iron dose for 3-6 months (non compliance common)
What is haemolysis
Breakdown of red cells more rapidly than the body normal does
What is a consequence of haemolysis
Heart, liver and endocrine failure due to increased free iron
Intracorpuscular causes of haemolysis
Haemoglobin
Enzyme
Membrane
Extracorpuscular causes of haemoluysis
Autoimmune
Fragmentation
Hyper splenism
Plasma factors
Iron overload treatment
Chelation
Haemolytic anaemia presentations
High bilirubin
Hydrops
Failure to thrive
Stools
Haemoglobinopathies
Sickle cell and thalassemias
Sickle cell disease
Point mutation causes HbS to be produced
Thalassaemia
Imblance of the hemoglobin chains which means the tetramers dont form
What cells might be seen with anaemia on microscopy
Target cells
How is sickle cell found
Screened antenatally
Treatment for sickle cells
Prophylactic penicillin, immunisations
Sickle cell presentation
Always anaemia Infarction Infection Acute chest Iron overload
Sickle cell crisis
Bone pain due to sickling of cells in bones causing infarcts
Treatment for sickle cell crisis
Oxygen, antibiotics, opiates
Exchange transfusion
What is happening in thalassaemia
Reduced globin chain synthesis
Presentation of B thalassaemia minor
Asymptomatic
Mild anaemia, low MCV, riased Hb A2
Why dont you see thalassaemia at birth
Lots of HbF still
When does thalassaemia occur
6 months
B thalassaemia major presentation
Progressive severe anaemia Jaundice Splenomegaly Failure to thrive Skeletal deformity Delayed puberty Death
B thalassaemia major management
Genetic counselling
Transfusions
Iron chelation
Bone marrow transplant
G6PD presentations
Neonatal jaundice
Chronic anaemia
Intermittent intravascular haemolysis
What food can cause G6PD
Fava beans
Hereditary spherocytosis
AD
Mild to needing transfusion
Pure red cell aplasia
RBC failure of bone marrow (parvovirus)
Clinical sign of parvovirus
Slapped cheeks
Bone marrow failure syndromes
All cell lines affected
fanconi’s anaemia
Causes of bone marrow infiltration
Leuakaemia
Lymphoma
Neuroblastoma
Osteoporosis
Requirements for haemostasis
Platelets
Coagulation factors
Vascular integrity
ITP
Bruises
Petichiae
Very low platelets
Name two bleeding disorders
Haemophilia
Von willebrand disease
Name three clotting disorders
Antithrombin, protein C, protein S
Von willebrand disease
Reduction in vwf for factor 8.
VW disease bleeds
Bleeding from nose and injuries etc
Haemophilia bleeds
Joint and muscle bleeds
Treatment for VWF
For bleeds/ surgery
Tranexamic acid
Haemophilia A and B
X linked recessive. factors 8 and 9.
Which factor is haemophilia A
8
Which factor is haemophilia B
9
Presentation of haemophilia
FHx
Bruising
Mouth bleeds
Following trauma
Symptoms of leukaemia
Anaemia Infection Bleeding Systemic symptoms Organ infiltration
What is pathognomic of AML
Auer rod
What organisms cause tonsilitis
Gp A strep, adenovirus, EBV
What organisms cause epiglotitis
Haemophilius influenze B
What organism causes whooping cough
Pertussis
What organism causes otitis media
Pneumococcus
GpA strep
What organism causes Croup
Parainfluenza
What organism causes tracheitis
S. Aureus, strep A, haemophilius
What organism causes pneumonia
Strep A, pneumo, staph, haemophilus, TB
What organism causes bronchiolitis
RSV, rhino, flu, adeno paraflu
Varicella zoster virus presentation
Self limiting but deadly if secodnary staph or strep
Herpes simplex virus presentation
Stomatitis
Simple cold sore
Encephalitis
Excema
Kawasaki disease presentation
Fever Rash Stomatitis Periphery change Adenopathy
Under 3 months fever investigations
FBC
Blood culture
CRP
Urine culture
Child over 3 months fever investigations
FBC
Blood culture
CRP
Urine culture
CSF bacterial findings
Raised cell count
Raised protein
Low glucose
Bacteria identified or PCR
CSF viral findings
Raised cell count
Normal protein
Normal glucose
Virus identified in CSF, stool, throat or blood
Baby looks sick and WCC under 10
Antibiotics
Antibiotic for under 3 months meningitis
Cefotaxime and amoxicillin
Treatment for herpes simplex virus
Aciclovir
Over 3 months mengitis treatment
Cefotaxime
Meningitis under 3 months organism
GpB strep
Meningitis over 3 months organism
Meningococcus, pneumococcus, haemophilus influenza
Meningitis symptoms
Neck stiffness Sensitive to light Drowsy Irritable Vomit Headache Full fontanelle
Septicaemia symptoms
Red non blanching rash
Cold hands and feet
Tachypnoea
Flu like symptoms
Bronchiolitis findings
Bilateral crackles and wheeze
Which antibody moves across the placenta
IgG
10 warning signs of primary immunodeficiency
4+ ear infections 2+ sinus infections 2+ months on antibiotics 2+ pneumonia Failure to grow Recurrent abscesses Thrush IV antibiotics Sepsis FHx
Treatment of primary immunodeficiency
Antibiotic prophylaxis
Prompt treatment of infections
Replacement Ig
Bone marrow transplant
TB screening test
Mantoux test
In very young how do stats compare to adult
HR high
RR high
BP low
Temp same
Where does croup affect
Below the larynx
Respiratory distress symptoms
Recessions
Head nod
Tracheal tug
Cyanosis
3 things happening in asthma
Increase mucous production
Inflammation and oedema
Bronchoconstriction
Anaphylaxis affect on the lungs
Bronchospasm
Laryngospasm
How do you assess circulation
Capillary refill
Blood pressure
Heart rate
Colour
What is a very good surrogate sign to monitor for shock
Urine output
Why does lactate rise in shock
Increased anabolic metabolism
Causes of increased intercranial pressure
Space occupying lesion
Hydrocephalus
Trauma
Why does 6th nerve palsy occur
Longest intercranial route
How does heart rate and metabolism differ with temperature
Every degree increased is heart rate +10
What things are higher in children (relating to fluid balance)
Surface/ mass
Metabolism
Respiratory rate
What things are lower in children (relating to fluid balance)
Response to thirst
Independence
Glomerular filtration
% loses in children of water
Urine 60%
Skin and lungs 35%
Stool 5%
Reasons for reduced fluid intake
Dysphagia Neurodisability Vomiting Behavioural Psychiatric Social
Reasons for increased fluid losses
Gut
Kidneys
Skin
Lungs
Gut causes of increased fluid loss
Gastroenteritis
IBD
Stoma
Kidney causes of increased fluid losses
Renal tubular disease
Renal dysplasia
Skin causes of increased fluid losses
Burns
Sepsis
Signs of mild dehydration
Thirst
Dry lips
Reslessness
Irritbaility
Signs of moderate dehydration
Sunken eyes
Reduced skin turgor
Decreased urine output
Signs of severe dehydration
Reduced consciousness
Cold
Mottled peripheries
Anuria
Chronic dehydration consequences
Failure to thrive Malnutrition Developmental delay Constipation UTIs
How much fluid to a child
Maintenance + 50ml/kg
Which fluid do you give to neonates
10% glucose
How do you estimate weight in kilo
(Age + 4)x 2
Which fluid do you give children for maintenance
0.9% sodium chloride + 5% glucose
Less than 10kg how much fluid
100ml/kg/day
10-20kg how much fluid
50ml/kg/day
20+ kg how much fluid
20ml/kg/day
How much fluid to give to a shocked child
100ml/kg extra
Side effects of too much fluid
Oedema
Renal problems
Hyponatraemia
Cerebreal oedema
What is fluid bolus (exam question)
20mls/kg of 0.9% sodium chloride
Treatment of DKA in children
10mls/kg 0.9% sodium chloride
How much is too much fluid
More than 100ml in an hour
Procedural issues with paediatric radiology
Are they starved
Anatomy differences between adults and children
Flexible skeleton
Growth plates
Plastic bones
Why do children loose more heat
Greater surface area to volume ratio
Disease of newborns but not adults
Congenital
Disease of adults but not newborns
Coronary artery disease
Strokes
Lung cancer
Parent worries about radiology
Radiation
Invasive procedures
Why are children susceptible to mutations
Rapidly turning over cells
High radiation scans
CT
Nuclear medicine
PET
Low radiation scns
MRI
US
Name of end of bone
Epiphysis
Name of bit near the end of bone
Metaphysis
Where does the bone grow from
Metaphysis
What is the shaft of a bone called
Diaphysis
Where is the lamboid suture
At the back
Name of heart on wrong side
Dextrocardia
What is inverted whole system
Situs invertus
Fragile bones name
Oesteogensis imperfecta
What are the key radiological differences between childrens and adults
Size
Normal anatomy
Congenital problems
Lines and tubes
A normal chest xray should be
A good quality film No trachea No mediastinal deviation Lungs should be clear Heart borders and diaphragm
Why measure growth
Sensitive pointer to health problems in children. Growth is narrowly defined in healthy children with adequate nutrition and an emotionally supportive environment
Determinants of growth
Parental phenotype and genotype Quality and duration of pregnancy Nutrition Specific system and organ integrity Psycho social Growth hormones and factors
What is chondrogenesis
Growth
What regulates growth at a cellular level
Endocrine signals
Nutrition
Extracellular fluid
Inflammatory cytokines
What needs to be considered when assessing growth
Parental heights
Social inequalities
Ethnic background
Body proportions of newborn
Larger head, smaller mandible, short neck, rounded chest, prominent abdomen, short limbs
Hormone growth problem classic patient
Short and fat
Body proportions of adults
Relative growth of limbs compared to trunk
What does short limbs suggest
Hypochondroplasia
What does short back and long legs suggest
Delayed puberty
What measurements are used for growth
Standing height
Lying height
Sitting height
Factors that affect head circumference
Centile position
Relation to body size
Sutures and fontanelles
Familial factors
Reasons for unreliable growth measurements
Inaccuracy
Uncooperative child
Differenct observers
Different times of the day
Key problem with the normal growth charts in UK
White UK children
3 phases of growth
Infant
Mid childhood
Puberty
What is infant growth phase dependent on
Nutrition
What is midchildhood growth phase dependent on
Brain
What is pubertal growth phase dependent on
Hormones and pregnancy
Two common causes of low height
Familial short stature
Constituional delay in growth and puberty
Which hormone is needed for fusion of the growth plates
Oestrogen
What is an indicator of true male puberty
Testes over 3ml (tanner 2)
Klinefelter symptoms
Pubertal problems (small testes, less hair)
Azoospermia, gynaecomastia
Tall stature
Osteoporosis
Primary hypogonadism or hypergonadism, where is the problem
Primary
Secondary hypogonadism or hypergonadism, where is the problem
Pituitary
Tertiary hypogonadism or hypergonadism, where is the problem
Hypothalamus
Name of the pubertal growth stages
Tanner stages
What is the indicator of true female pubery
Breast bud palpable (tanner 2)
Klinefelter (boys) chromosomes
47, XXY
Turner (girls) syndrome chromosomes
45, X0
Turner presentation
Oedema at birth Upper airway infections High arch palate Cardiovacular and renal malformations Short stature
Hypergonadotrophic hypogonadism
Turners