Paeds Peer Teaching 1 Flashcards

1
Q

A baby has congenital heart disease and is breathless. Which direction is the shunt in? Give 3 examples of conditions which give this picture.

A

L to R shunt

  • VSD
  • PDA
  • ASD
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2
Q

A baby has congenital heart disease and is cyanotic. Which direction is the shunt in? Give 2 examples of conditions which give this clinical picture.

A

R to L shunt

  • Tetralogy of Fallot
  • Transposition of the Great Arteries
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3
Q

A baby has a VSD (Ventricular Septal Defect).
Which direction is the shunt?

List 4 signs / symptoms.

A

L - R shunt

  • Tachycardia
  • Tachypnoea
  • FTT (Failure to thrive)
  • Heart failure
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4
Q

What kind of murmur would you hear if a baby has a VSD? Where would you hear it?
Which direction is the shunt?

A
  • Pansystolic murmur
  • L lower sternal edge
  • Shunt is L to R
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5
Q

What is the management of a VSD?

A

Small - will close spontaneously.

Large - surgical closure + diuretics

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6
Q

What signs and symptoms would you see in a child with ASD (Atrial Septal Defect)?
Which direction is the shunt?

A
  • May be asymptomatic
  • Tachypnoea
  • FTT
  • Wheeze

Shunt direction: L to R

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7
Q

What murmur will you hear (and where) if a child has an Atrial Septal Defect?
Which direction is the shunt?

A

Ejection systolic murmur (L upper sternal edge)

Shunt direction: L to R

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8
Q

What signs and symptoms would you see in a child with a PDA?
Which murmur would you hear and where?

A
  • Tachypnoea
  • FTT
  • Bounding pulse

Murmur: Continuous machinery murmur (below L clavicle)

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9
Q

What is your management of a patient with ASD (atrial septal defect)?

A

Small - close spontaneously

Large - Surgical closer

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10
Q

What is your management of a patient with a PDA?

A
  • NSAIDs (Indomethacin)
    or
  • Surgical ligation
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11
Q

What are the 4 components of Tetralogy of Fallot?

A
  • Pulmonary Stenosis
  • VSD
  • Overriding aorta
  • RVH
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12
Q

What signs and symptoms would you see in a child with Tetralogy of Fallot?

A
  • Severe cyanosis
  • Hypercyanotic spells on: exercise, crying, defecating
  • Ejection systolic murmur
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13
Q

What is your management of a child with Tetralogy of Fallot?
Which direction is the shunt?
Is this cyanotic or acyanotic?

A

Surgery at 6 months to close VSD, relieve pulmonary out tract obstruction

R to L

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14
Q

Describe the pathophysiology of Transposition of the Great Arteries.

A

Pulmonary artery and aorta ‘swap’.
RV > Aorta > Body > RA
LV > Pul artery > Lungs > LA

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15
Q

What are the signs and symptoms of Transposition of the Great Arteries?

A
  • Often present on day 2 of life (after Ductus arteriosus closes) with severe life threatening cyanosis.
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16
Q

What is your management of Transposition of the great arteries going to be?

A
  • Maintain PDA (prostaglandin infusion)

- Surgical: atrial sepstostomy and correction

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17
Q

A ‘well’ child has Pulmonary Stenosis.
What is the pathophysiology of this?
What signs and symptoms might you see?

A
  • Pulmonary valve leaflets partially fused together > obstructs RV outflow
  • Asymptomatic
  • Ejection systolic murmur (L upper sternal edge) and palpable thrill
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18
Q

A ‘well’ child has Aortic stenosis.
What is the pathophysiology of this?
What signs + symptoms might you see?
What murmur will you hear?

A
  • Aortic valve leaflets partially fused together > obstructs LV outflow
  • Reduced exercise tolerance, chest pain / syncope on exertion
  • Ejection systolic murmur (R. upper sternal edge) AND Carotid thrill
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19
Q

A ‘sick’ child has Coarctation of the Aorta. What is the pathophysiology behind this? Describe the symptoms.

A

Narrowing of the aorta - commonly at ductus arteriosus.

  • Symptoms become more severe with age.
  • Asymptomatic, then SOB, arterial hypertension, intermittent claudication.
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20
Q

What murmur will you hear if a patient has coarctation of the aorta?
Describe the patient’s pulse.

A
  • Ejection systolic murmur (L upper Sternal edge).

- Radial:radial / radial:femoral delay.

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21
Q

What is the management of a patient with Coarctation of the Aorta?

A
  • Stent

- Surgical repair

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22
Q

What are the 4 S’s of harmless murmurs?

A
  • Soft
  • Systolic
  • aSymptomatic
  • L Sternal edge
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23
Q

What investigations should you do if you detect a murmur?

A
  • Antenatal ECHO

- Neonatal ECHO, ECG, CXR

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24
Q

What syndrome arises if R to L shunt is not treated?

A

Eisenmenger’s syndrome.
- Long standing R to L shunt increases pulmonary pressure over time, leading to thickening of the pulmonary arteries. This causes RVH and increases pressure in RV, reversing the shunt to L to R.

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25
What is another name for 'Croup'?
Laryngotracheobronchitis
26
What is 'croup'?
Upper airway obstruction caused by the Parainfluenza virus.
27
At what age are children most likely to get croup?
-6m - 6years. | Peak incidence = 2 years
28
What are the symptoms of Croup?
- Seal-like, barking cough - Hoarseness - Breathlessness - Poor feeding - Preceded by a fever; worse at night.
29
What is the management of Croup?
- Single dose Oral Dexamethasone 0.15mg/kg or Nebulised Budesonide - If severe: > High flow oxygen > Nebulised adrenaline
30
Describe Acute Epiglottitis.
LIFE THREATENING MEDICAL EMERGENCY - upper airway obstruction - intense swelling of epiglottis and surrounding tissue
31
What is the causative organism of Acute Epiglottitis?
Haemophilus Influenzae B
32
Describe the presentation of a child with acute epiglottitis.
- sore throat in a septic-looking child - Child unable to speak or swallow (drooling) - Sitting upright, immobile with open mouth to optimise airway - Soft inspiratory stridor - Increased respiratory distress. - Little / no cough
33
Why has the incidence of acute epiglottis decreased in recent years?
Introduction of Hib vaccine
34
How should you manage a child with Acute Epiglottitis?
- DO NOT EXAMINE THROAT IF SUSPECTED - call anaesthetics to intubate - IV cefuroxime
35
What is the causative organism of Whooping cough?
Bordatella Pertussis - highly infectious and contagious - epidemic every 3 - 4 years - intubation up to 10 - 14 days
36
What are the symptoms of Whooping cough?
- Inspiratory whoop (forced inhalation against a closed glottis) - Spasms of cough -> worse at night, cause vomiting, epistaxis and subconjunctival haemorrhages.
37
How would you investigate Whooping cough?
Per Nasal Swab culture.
38
How would you manage a child with Whooping Cough?
- <1 month: Azithromycin (5 days) - >1 month: Azithromycin / Erythromycin (7 days) - School exclusion
39
What is the typical age range for children with Bronchiolitis?
1 - 9 months
40
Which pathogen causes Bronchiolitis?
Respiratory Syncytial Virus also: - Parainfluenza virus, human metapneumovirus
41
What are the symptoms of Bronchiolitis?
- Coryzal - Breathlessness - Poor feeding
42
List 6 signs of respiratory distress seen in Bronchiolitis.
- Nasal flaring - Head bobbing - Subcostal recessions - Intercostal recessions - Tracheal tug - Grunting
43
List some 'other' signs of Bronchiolitis.
- Fine end inspiratory crackles - High pitched wheeze - Cyanosis on feeding
44
Investigations for Bronchiolitis?
- PCR analysis of nasal secretions | - CXR: hyperinflation
45
Describe the management of a baby with Bronchiolitis
- Supportive: > humidified oxygen > NG feeds > Fluids
46
When would Palivizumab be used in Bronchiolitis?
- CF, Immunocompromised, Congenital Heart Disease, Down's - > a monoclonal antibody - > IM once per month through autumn and winter
47
Describe the pathophysiology of Asthma.
- Chronic inflammatory disorder of lower airways secondary to hypersensitivity - Reversible airway obstruction
48
What are the 3 cardinal features of Reversible airway obstruction in Asthma?
- Bronchospasm - Mucosal swelling and inflammation - Increased mucous production -> mucous plug
49
List 7 clinical features of Asthma.
- Intermittent dyspnoea - Sputum production - Wheeze - Cough (nocturnal) - Diurnal variation - Exercise tolerance - Disturbed sleep
50
How is asthma diagnosed?
- Clinical symptoms - FEV1:FVC ratio < 70% - Bronchodilator reversibility: FEV1 improvement by 12% or more - FeNO >= 35ppb
51
A child under 5 years is having a 'moderate' asthma attack. What signs might you see?
- Sats > 92% | - No clinical features
52
A child under 5 is having a 'severe' asthma attack. What signs might you see?
- Sats <92% - Unable to talk - HR > 140 - RR > 40 - Use of accessory neck muscles
53
A child under 5 is having a 'life threatening' asthma attack. What signs might you see?
- Sats <92% - Silent Chest - Bradycardia - Poor resp effort - Altered consciousness - Cyanosed
54
A child over 5 is having a 'moderate' asthma attack. What signs might you see?
- Sats > 92% - PEF > 50% of best predicted - No clinical features
55
A child over 5 is having a 'severe' asthma attack. What signs might you see?
- Sats < 92% - PEF <50% - Unable to complete sentences - HR > 125 - RR > 30 - Use of accessory neck muscles
56
A child over 5 is having a 'life threatening' asthma attack. What signs might you see?
- Sats < 92% - PEF < 33% - Silent chest - Poor resp effort - Altered consciousness - Cyanosed
57
Describe the Acute management of an Asthma attack.
- A to E assessment - High flow oxygen - Salbutamol news - IV hydrocortisone - Ipratropium Bromide news - Magnesium Sulphate IV + call ICU - Salbutamol IV
58
What should you look out for if you give Salbutamol IV? What changes on an ECG would you see with this?
- Hypokalaemia - ST segment sagging - T wave depression - U wave elevation
59
Describe the pathophysiology of Cystic Fibrosis.
- Autosomal Recessive Defect in CFTR - codes cAMP regulated Chloride channels in cell membranes (Chromosome 7). - Commonest Autosomal Recessive disorder in caucasians -> 1 in 25 carriers - Causes increased viscosity of secretions and blockage of narrow passageways.
60
List 2 clinical features of Cystic Fibrosis.
- Reduction in air surface liquid layer and impaired ciliary function. Retention of secretions - Pancreatic ducts blocked by thick secretions -> maldigestion, malabsorption, steatorrhoea
61
Which 2 pathogens are responsible for 'Chronic Endobronchial infection' seen in CF?
- Pseudomonas | - Staph aureus
62
How do neonates with CF present?
- Meconium ileus | > pancreatic ducts are blocked by thick secretions -> maldigestion, malabsorption, steatorrhoea
63
How might CF affect kids when they reach puberty?
- Diabetes mellitus - Delayed puberty - Male infertility - Female subfertility
64
How is CF diagnosed?
- Guthrie heel prick screening test (at 6-9 days of life) - Sweat test (Chloride ions) - Faecal elastase (low levels) - Gene abnormalities in CFTR protein
65
Describe the management of a patient with CF.
- Aim to prevent progression of lung disease - Maintain adequate nutrition - High calorie, high fat diet - Chest physio and postural draining - Pancreatic enzyme replacement therapy - Prophylactic Abx
66
Describe the presentation of a child with Pyloric Stenosis.
2 - 8 weeks of life - projectile vomiting (post feeds) - NOT bile stained (above ampulla of Vater).
67
What is the pathophysiology behind pyloric stenosis?
Narrowing of the pylorus, impairing gastric emptying
68
Describe the signs and symptoms seen in a baby with pyloric stenosis.
- Weight loss, FTT, hungry after feeds - Visible gastric peristalsis - Palpable abdominal mass on feeding
69
What investigations would you do if you suspected Pyloric stenosis?
- USS abdo = diagnostic | - Hypokalaemic, hypochloraemic, metabolic alkalosis
70
How would you manage a baby with pyloric stenosis?
- Rehydration + correct electrolyte imbalance | - Surgical: Ramstedt's pyloromyotomy
71
What is 'intussusception'?
Invagination of proximal bowel into a distal segment. | - commonly: ileum moves into caecum via ileo-caecal valve
72
At what age does Intussusception tend to present?
3 months - 2 years | Boys > Girls
73
List 5 clinical features of Intussusception.
- Severe paroxysmal abdominal colic pain - Child draws knees up to chest, becomes pale, screaming in pain - Vomiting (may become bilious) - Blood and mucous in the stool -> REDCURRANT JELLY STOOL - RLQ abdo mass - sausage shaped
74
What investigations should you do if you suspect intussusception?
- USS abdo (diagnostic) > doughnut / target sign - Xray abdo: distended small bowel, absence of gas in the large bowel
75
What is the management of Intussusception?
Rectal air insufflation
76
Describe the pathophysiology of Intestinal Malrotation.
- Surgical emergency - Obstruction of small bowel -> congenital anomaly of rotation of the midgut - > can lead to volvulus and infarction of entire midgut
77
Describe the presentation of Intestinal Malrotation.
- Bilious vomiting (below ampulla of Vater) - Abdo pain - Tenderness (peritonitis / ischaemic bowel)
78
What investigations should you do if you suspect Intestinal Malrotation?
- Upper GI contrast study (diagnostic) | - USS abdo
79
What is the management of Intestinal Malrotation?
- Surgical correction | - Ladd's procedure -> rotates bowel anti-clockwise
80
What is the pathophysiology behind Necrotising Enterocolitis?
- Bacterial invasion of ischaemic bowel wall | - More common in babies fed with cow's milk
81
How does NEC present?
- Bilious vomiting (below ampulla of Vater) - Abdo pain and distension - Fresh blood in stool - Infant may rapidly become shocked
82
What investigations should you do if you suspect NEC?
- If shocked: septic work up - Abdo xray: > distended loops of bowel > thickening of bowel wall with intramural gas > Rigler and Football sign
83
What's your management of NEC?
If shocked: A - E assessment - Stop oral feeds - Broad spectrum Abx - Surgery for any bowel perforation
84
List 2 complications of NEC.
- Bowel perforation | - Malabsorption if extensive ischaemia
85
When is the football sign seen in children with NEC?
- Seen with massive pneumoperitoneum | - in supine position, air collects anterior to abdominal viscera
86
What is Hirschsprung's disease?
- Large bowel obstruction - Absence of ganglionic cells from myenteric plexus of large bowel. - results in a narrow, contracted segment of bowel. - Commonly: ileum moves into caecum via ileocaecal valve
87
How does Hirschsprung's disease present?
- Failure to pass meconium within 48 hrs of life - Boys > > girls - Associated with Down's syndrome
88
List 3 clinical features of Hirschsprung's disease
- Abdo distension - Later: bile stained vomit - Can lead to Enterocolitis from C. diff infection
89
What investigations should you order for Hirschsprung's Disease?
- Rectal examination: narrow segment. withdrawal causes flow of liquid stool and flatus - Suction rectal biopsy (diagnostic)
90
What is the management for Hirschsprung's disease?
- Enema's | - Surgical resection of affected colon.
91
What causes jaundice?
Raised serum bilirubin -> leads to yellow skin and yellow sclera -> due to increased RBC breakdown -> release of Haemoglobin
92
Why is high unconjugated bilirubin bad?
- Can be deposited in basal ganglia - Kernicterus -> encephalopathy with seizures and coma. Can cause choreoathetoid cerebral palsy.
93
What are the causes of jaundice in the first 24 hours of life?
- Haemolytic disorders -> Rhesus incompatibility, ABO incompatibility, G6PD deficiency, spherocytosis, Pyruvate kinase deficiency - Congenital infection -> Toxoplasmosis, CMV, Syphilis, Rubella, Herpes, Hepatitis
94
What are the causes of jaundice from 24hrs - 2 weeks of life?
- Physiological jaundice - Breast milk jaundice - Infection, haemolytic disorders, bruising, Crigler-Najjar syndrome.
95
What are the causes of jaundice beyond 2 weeks of life?
SERIOUS - Hypothyroidism, pyloric stenosis - Conjugated: biliary atresia, neonatal hepatitis
96
What investigations should you do for ?jaundice?
- TORCH screening | - Coomb's test
97
Mx of jaundice?
- Phototherapy (450nm, converts unconjugated bilirubin into harmless soluble pigment) - Exchange transfusion
98
A child has bile stained vomit. Differentials?
- Intestinal obstruction (distal to Ampulla of Vater) - malrotation - duodenal atresia - meconium ileus - NEC
99
A child has haematemesis. Differentials?
- Oesophagitis - Peptic ulderation - Oral / nasal bleeding
100
A child has projectile vomiting in the first few weeks of life. Diagnosis?
Pyloric stenosis
101
A child vomits at the end of paroxysmal coughing. Diagnosis?
Whooping cough.
102
A child has tenderness/abdo pain on movement. Diagnosis?
Surgical abdomen
103
A child has abdo distension. Differentials?
- Intestinal obstruction (incl. strangulated inguinal hernia)
104
A child has hepatosplenomegaly. Differentials?
- Chronic liver disease - Neonatal hepatitis - Biliary atresia - Primary sclerosing cholangitis
105
A child has blood in their stool. Differentials?
- Intussusception | - Gastroenteritis (Salmonella / Campylobacter)
106
A child is severely dehydrated and shocked. Differentials?
- Severe gastroenteritis - Systemic infection (UTI, Meningitis) - DKA
107
A child is classed as 'Failure to Thrive' (drops 2 deciles). Differentials?
- GORD - Coeliac disease - Cow's Milk Protein Allergy - Other chronic GI conditions.
108
What triad of symptoms is seen in Nephrotic syndrome?
- Hypoalbuminaemia <25g/l - Proteinuria: urine protein >1mg/m2/24hrs - Oedema: peripheral, scrotal/vulval, periorbital, ascites
109
What are the common causes of Nephrotic syndrome?
- Minimal change disease - Focal-segmental glomerulosclerosis - post streptococcal nephritis
110
Treatment for steroid-sensitive Nephrotic syndrome.
Prednisolone oral 60mg/m2/day
111
Treatment for steroid resistant nephrotic syndrome.
- Diuretics, salt restriction, ACEi, NSAIDs | - Cyclophosphamide +/- cyclosporin
112
3 things for Haemolytic uraemia syndrome?
- Acute renal failure - Thrombocytopenia - Microangiopathic haemolytic anaemia
113
Describe the course of Haemolytic Uraemia Syndrome.
- follows prodrome of bloody diarrhoea (E. coli)
114
Describe the signs & symptoms of HUS.
- Abdo pain - Decrease urine output - Normocytic anaemia
115
Investigations for HUS?
- Fragmented blood film - Stool culture - FBC
116
Treatment for HUS?
- Supportive | - Plasma exchange if severe
117
Complications of HUS?
- HTN | - Chronic renal failure
118
3 things for Henoch-Schonlein Purpura (HSP)?
- Purpura (raised like sandpaper) - Arthritis - Abdo pain
119
Describe the course of HSP?
Follows URTI - Strep pyogenes
120
Signs and symptoms of HSP?
- Rash on buttocks, extensor surfaces of limbs - Haematuria - Proteinuria
121
Treatment for HSP?
Prednisolone (oral)
122
What is HSP associated with?
- Buerger's / IgA nephropathy | episodes of macroscopic haematuria post URTI
123
Characteristic features of a tonic clonic seizure?
Stiffen -> jerk + Loss of consciousness
124
Characteristic features of an absence seizure?
Brief pause, eyes roll up, unaware
125
Characteristic features of West Syndrome?
- Head nodding - Arm jerk - EEG shows hypsarrhythmia
126
Define status epilepticus.
Defined as >30mins tonic clonic, but treat at 5 mins. Buccal midazolam OR IV Lorazepam ->IV phenytoin -> Rapid Sequence induction
127
What is a febrile convulsion?
Single, tonic clonic episode - Lasts less than 20mins - High fever - Treat if lasts longer than 5 mins.
128
What organisms cause Meningitis?
- Neiserria meningitidis (meningococcal disease) - H influenzae - S. pneumonia - E. coli (neonates) - Group B strep - Listeria monocytogenes - TB
129
How might a child with meningitis present?
- Signs of sepsis - Generally unwell - Poor feeding - Stiff neck - Seizures - Apnoea - Lethargy - Meningeal signs - Non-purpuric rash
130
Investigations for meningitis?
- Septic screen - Cultures +/- Lumbar Puncture
131
When is a Lumbar Puncture contraindicated?
- focal neurology - DIC - Purpura - Coning risk
132
How is Meningitis treated?
- Get urgent senior help - Admit child - Community: give IM BenPen - Hospital: IV Ceftriaxone - Prophylaxis: Rifampicin PO / Single dose IM Ceftriaxone
133
What is the triad for Screening Criteria?
- Identifiable when latent / early stage disease - Condition is treatable - Early identification = better prognosis
134
What are the aims of screening?
- Aims to identify unrecognised disease in apparently well people - Allocation of funding on cost-benefit basis
135
What investigation is carried out to identify Sickle Cell Anaemia or Thalassaemia? (and when is it carried out?)
Maternal blood test | 0 - 10 weeks
136
The triple test screens for Trisomy. What does the Triple Test use as serum markers and when is this test carried out?
- hCG - PAPP-A - USS nuchal translucency Triple test: 11 - 13 weeks
137
Which trisomy disorders is the triple test looking to identify?
- Down's (T21) - Patau's (T13) - Edward's (T18)
138
The quadruple test screens for trisomy. What does the quadruple test use as serum markers and when is this carried out?
- AFP - Estriol - hCG - Inhibin-A Quadruple test: 15 - 20 weeks
139
If the triple or quadruple test identifies a person with a higher risk of trisomy, what tests can be offered?
CVS | Amniocentesis
140
What and when is the congenital anomaly screen?
- A detailed US scan | - At 18 - 20 weeks
141
What does the Congenital Anomaly Screen look for?
- Neural tube defects - Major heart defects - Renal genesis - Skeletal / CNS abnormality.
142
What 6 conditions does Guthrie's test (heel prick) screen for?
- Sickle cell disease - CF - Congenital Hypothyroidism - Phenylketonuria - MCAD - MSUD (maple syrup urine disease
143
Tell me about CVS.
- 11 - 13 weeks gestation - Placental biopsy of foetal cells - 2% risk of miscarriage - Detects chromosome disorders and inherited disorders
144
Tell me about Amniocentesis.
- 15 - 20 weeks gestation - Amniotic biopsy of foetal cells - 1% risk of miscarriage - Detects chromosome and sex determination
145
2 conditions of the newborn identified by karyotyping.
- Turner's | - CAH
146
Name a condition which is identified by specific gene testing.
- Cystic Fibrosis | - > CFTR gene
147
How might a child with Down's syndrome present?
- Intellectual disability - Stunted growth - Dysmorphia
148
Signs of Down's Syndrome?
- Umbilical hernia - Hypotonia - Macroglossia - Epicanthic fold - Single palmar crease - Abnormal outer ears - Flattened nose
149
Conditions which Down's syndrome is associated with?
- CHD - AVSD > VSD - Visual + hearing problems - Duodenal atresia - Haematological cancers - Early onset dementia - Thyroid disease
150
Describe your management plan for a child with Down's syndrome.
- ECHO at birth - Regular hearing, visual, dental check ups - Educational and social support - Thyroid and Coeliac screening
151
How does Patau's syndrome arise?
- Nondisjunction of chromosomes during meiosis
152
List some signs + symptoms of Patau's syndrome
- Polydactyly - Midline defects (cleft lip / palate) - Heart defects (VSD, PDA) - Global developmental delay
153
What is the prognosis for someone with Patau's syndrome?
- Many die in utero | - 80% of live births die within 1 year.
154
What is Edward's syndrome associated with?
- IUGR | - Polyhydramnios
155
Signs and symptoms of Edward's syndrome?
- Prominent occiput - Kidney malformation - Developmental delay - Midline defects (cleft lip / palate) - Heart defects (VSD / PDA)
156
Prognosis for a kid with Edward's syndrome?
- Only 3% affected make it to live birth. | Median survival is 15 days.
157
Tell me about Turner's syndrome.
45 XO - Female with single deletion / partial copy of X chromosome in some or all cells. - > excellent prognosis for live births
158
Signs / symptoms of Turner's syndrome?
- Short stature - Shield chest - Low set ears - Webbed neck - Micrognathia - Wide spaced nipples
159
What is Turner's syndrome associated with?
- Amenorrhoea - Delayed puberty - Sterility - Coarctation of the Aorta - Bicuspid aortic valve - Obesity - Horse shoe kidney - Thyroid disorder
160
Treatment for Turner's syndrome?
- Growth hormone - Oestrogen replacement (COCP) - Fertility