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Childs Health > Asthma > Flashcards

Asthma Flashcards

1
Q

What is the mechanism behind astham?

A

Chronic inflammatory AW disease - hypersensitive smooth muscle repsonds to stimuli, constricts and causes AW obstruction (bronchoconstriction)

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2
Q

What conditions are likely to occur ith asmtha

A

Eczema, hayfever/allergies

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3
Q

What presentations suggest astham?

A

Episodic, intermittent exacerbations
Diurnal variability
Triggers
Dry cough + wheeze + SOB
Atoyp/FH of

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4
Q

What type of wheeze is heard in asthma?

A

Bilateral widespread polyphonic wheeze

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5
Q

What helps confirm asthma diagnosis?

A

Symptoms improve with bronchodilators

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6
Q

What sort of physical presentation with astham>

A

Dry cough
Wheeze
SOB
on trigger exposure

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7
Q

Asthma vs viral induced wheeze

A

When wheeze only related to coughs and colds

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8
Q

What coughs are probably not asthma?

A

Isolated or productive

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9
Q

What would a unilateral wheee suggest

A

Not ashtma - focal lesion, inhaled foreign body or infection

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10
Q

Typical asthma triggers

A

Dust - house dust mites
Animals
Cold air
Exercise
Smoke
Food allergens - peanuts, shellfish or eggs

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11
Q

Investigations when intermediate probability of asthma or diagnostic doubt for children

A

Spirometry with reversibility testing
Direct bronchial challenge with histamine or metacholine
Fractional exhaled nitric oxide
Peak flow variability

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12
Q

What age children can spirometry with reversibility testing be used in?

A

Over 5

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13
Q

Typical triggers

A
  • Dust (house dust mites)
  • Animals
  • Cold air
  • Exercise
  • Smoke
  • Food allergens (e.g. peanuts, shellfish or eggs)
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14
Q

What to specifically check for in an asthma hisotru>

A

wheeze, cough or breathlessness, and any daily or seasonal variation in these symptoms

any triggers that make symptoms worse

a personal or family history of atopic disorders

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15
Q

What is considered diagnostic for asthma in a spirometry?

A

FEV1/FVC <70%

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16
Q

When consider a BDR test in chilfren

A

<70%

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17
Q

What is a positive peak flow variability for 2-4 weeks?

A

20% variability

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18
Q

When monitor peak flow variability for 2-4 weeks in children?

A

When diagnositc uncertainty after initial assessment and a FeNO test and either normal spirometry or obstructive spirometry, irreversiblle AW obstruction (negative BDR) and FeNO over 35ppb

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19
Q

What are the two positive test criteria for children suspected to have asthma that confirm it?

A

FeNO level > 35ppb AND peak flow variability
OR
obstructive spirometry + positive bronchodulator reversibility

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20
Q

When review diagnosis of asthma

A

6 weeks by repeating

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21
Q

Whats the difference between FeNO diagnositc level adults vs children?

A

adults > 40 ppb
children >35ppb

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22
Q

Bronchodilator reversibility test in children and young people?

A

Improvement in FEV1 >12 %

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23
Q

What should consider in asthma before starting or adjusting asthma medications?

A

Lack adherence
Suboptimal inhaler technique
Smoking
Occupational exposure
Psychosocial factors
Seasonal or environemtnal factors

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24
Q

When to review response to medications in asthma?

A

4-8 weeks

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25
Q

When take ICS inhaled theraoy for asthma

A

Regular daily dose, not intermittent or when required

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26
Q

First line reliever therapy for 5-16 year olds with asthma?

A

SABA

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27
Q

When can you treat asthma with a SABA reliever alone in 5-16 year olds?

A

-Infrequent short lived wheeze
-Normal lung function

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28
Q

What is the first line maintenance therapy for asthma in children?

A

Low dose of ICS

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29
Q

When do you offer a maintenance low dose ICS to children?

A

Symptoms that clearly indicate need for maintenance therapy eg 3 x a week +
Waking uo at night
OR
Uncontrolled with SABA alone

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30
Q

What is the next step after SABA and low dose ICS for asthma management in children?

A

LTRA maintenance therapy

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31
Q

What to do if LTRA ineffective in asthma in children?

A

Swap it for a LABA

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32
Q

What regimen do you start if a ICS + LABA mainteance therapy is still not controlling asthma?

A

MART regimen with paeds low maintenance ICS dose

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33
Q

What to do if MART regimen not controlling asthma?

A

Increase paediatric ICS dose for low to moderate

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34
Q

What give to under 5s with suspected asthma initially?

A

SABA as reliever therapy

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35
Q

When do you consider an 8 week trual of paeds moderate dose ICS in child under 5?

A

Symptoms clearly indicate (3x a week +, waking from nigth)
OR
suspected asthma uncontrolled with SABA alone

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36
Q

What to review when monitoring asthma control?

A

Confirm persons adherence to prescribed treatment
Review persons inhaler technique
Review treatments needs to be changed
Occupational asthma

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37
Q

What is a paediatric low dose of ICS?

A

< or = 200 micrograms budenoside or equivalent

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38
Q

Paediatric moderate dose of ICS?

A

200 micrograms to 400 micrograms budesonide

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39
Q

Paediatric dose?

A

400 micrograms

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40
Q

Whaat is MART?

A

Inhaler containing both ICS nad fast acting LABA

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41
Q

What is uncontrolled asthma?

A

Coughing, wheezing, SOB, chest tightness impact on persons lifestyle or retricts normal activities

42
Q

How is uncontrolled asthma defined?

A

3 or more days a week with symptoms
OR
3 or more days a week with required use of SABA for symptomatic relief
OR
1 or more nights a week with awakening due to asthma

43
Q

Example of a LABA

A

Salmeterol

44
Q

LTRA example

A

Montelukast

45
Q

LAMA example

A

Tiotropium

46
Q

Why is it important to have a good inhaler technique?

A

More medication reaches lungs
Otherwise medication in mouth or back of throat

47
Q

Metered dosed inhaler technique without a spacer

A
  • Remove the cap
  • Shake the inhaler (depending on the type)
  • Sit or stand up straight
  • Lift the chin slightly
  • Fully exhale
  • Make a tight seal around the inhaler between the lips
  • Take a steady breath in whilst pressing the canister
  • Continue breathing for 3 – 4 seconds after pressing the canister
  • Hold the breath for 10 seconds or as long as comfortably possible
  • Wait 30 seconds before giving a further dose
  • Rinse the mouth after using a steroid inhaler
47
Q

Metered dosed inhaler technique without a spacer

A
  • Remove the cap
  • Shake the inhaler (depending on the type)
  • Sit or stand up straight
  • Lift the chin slightly
  • Fully exhale
  • Make a tight seal around the inhaler between the lips
  • Take a steady breath in whilst pressing the canister
  • Continue breathing for 3 – 4 seconds after pressing the canister
  • Hold the breath for 10 seconds or as long as comfortably possible
  • Wait 30 seconds before giving a further dose
  • Rinse the mouth after using a steroid inhaler
48
Q

Complication from poor inhaler technique with ICS

A

Steroids

49
Q

MDI technique with a spacer

A
  • Assemble the spacer
  • Shake the inhaler (depending on the type)
  • Attach the inhaler to the correct end
  • Sit or stand up straight
  • Lift the chin slightly
  • Make a seal around the spacer mouthpiece or place the mask over the face
  • Spray the dose into the spacer
  • Take steady breaths in and out 5 times until the mist is fully inhaled
    Alternatively exhale fully before putting making a seal with the spacer, spray the dose and take one deep breath in to inhale the mist in one breath before holding for 10 seconds.
50
Q

How to look after spacers

A

Spacers should be cleaned once a month. Avoid scrubbing the inside and allow them to air dry to avoid creating static. Static can interact with the mist and prevent the medication being inhaled.

51
Q

Presentation of acute ashtma

A
  • Progressively worsening shortness of breath
  • Signs of respiratory distress
  • Fast life threatening rate (tachypnoea)
  • Expiratory wheeze on auscultation heard throughout the chest
  • The chest can sound “tight” on auscultation, with reduced air entry
52
Q

What is a red flag in an acute asthma attakc?

A

Silent chest

53
Q

Peak flow of moderate asthma attack

A

Peak flow >50%
Normal speech

54
Q

Severe asthma attack peak flow and saturations

A

Peak flow < 50%
Saturations <92%

55
Q

Resp rate in 1-5 year olds severe

A

> 40

56
Q

Respiratory rate in >5 years severe asthma attack

A

> 30

57
Q

HR in 1-5 years severe asthma attack

A

> 140

58
Q

HR in > 5 years severe asthma attack

A

> 125

59
Q

Signs of severe asthma attack

A

Unable to complete sentenves in one breath
Signs of respiratory distress

60
Q

Life threatening peak flow and saturations attack

A

Peak flow <33%
Satuations <92%

61
Q

Signs of life threatening asthma attack

A

Exhaustion and poor resp effort
Hypotension
Silent chest
Cyanosis Altered consciousness/confusion

62
Q

Management of viral induced wheeze

A
  • Supplementary oxygen if required (i.e. oxygen saturations less than 94% or working hard)
  • Bronchodilators (e.g. salbutamol, ipratropium and magnesium sulphate)
  • Steroids to reduce airway inflammation: prednisone (orally) or hydrocortisone (intravenous)
  • Antibiotics only if a bacterial cause is suspected (e.g. amoxicillin or erythromycin)
63
Q

Bronchodilators to treat acute asthma attack

A
  • Inhaled or nebulised salbutamol (a beta-2 agonist)
  • Inhaled or nebulised ipratropium bromide (an anti-muscarinic)
  • IV magnesium sulphate
  • IV aminophylline
64
Q

Stepqise approach to mod to severe cases

A
  1. Salbutamol inhalers via a spacer device: starting with 10 puffs every 2 hours
  2. Nebulisers with salbutamol / ipratropium bromide
  3. Oral prednisone (e.g. 1mg per kg of body weight once a day for 3 days)
  4. IV hydrocortisone
  5. IV magnesium sulphate
  6. IV salbutamol
  7. IV aminophylline
65
Q

What to do if can’t manage acute asthma attack?

A

Call anaesthetics
ICU
Intubation and ventialtion

66
Q

What to assess for after control established in actue asthma attack

A

cyanosis (central or peripheral), tracheal tug, subcostal recessions, hypoxia, tachypnoea or wheeze on auscultation.

67
Q

What to assess for after control established in actue asthma attack

A

cyanosis (central or peripheral), tracheal tug, subcostal recessions, hypoxia, tachypnoea or wheeze on auscultation.

68
Q

What to assess once control is established in an acute asthma attack?

A

Review prior to next dose of bronchodilator
Look for evidence of cyanosis, tracheal tug, subcostal recessions, hypoxia, tachypnaea or wheeze
If look well consider stepping down number and frequency of intervention
Step down regime

69
Q

What is a typical step down regime after acute asthma attack?

A

10 puffs 2 hourly
10 puffs 4 hourly
6 puffs 4 hour;y
4 puffs 6 hourly

70
Q

What should monitor for when high doses of salbutamol used?

A

Potassium levels as draws potassium from blood into cells
Also causes tachycardia and tremor

71
Q

What drug can cause hypokalemia in asthma treatment?

A

Salbutamol

72
Q

When can discharge be considered after acute asthma attack in terms of salbutamol use?

A

6 puffs 4 hourly for 48 hours
then
4 puffs 6 hourly for 48 hours
then
2-4 puffs as required

73
Q

Steps to consider after acute asthma attack

A

Finish the course of steroids if these were started - typically 3 days
Provide safety-net information about when to return to hospital or seek help
Provide an individualised written asthma action plan

74
Q

How long use facemask on spacer

A

Until child can follow instructions by themselves

75
Q

Why hold spaceer at 45 degrees

A

Vlave is already open 0 babies tidal volume cant open it

76
Q

How long hold mask over baby with inhaler

A

10 seconds

77
Q

How many puffs can take form inhaler

A

10 breaths
Wait 30s between each breath

78
Q

What have to do with new volumatic

A

Prime with a couple of puffs bbefore use

79
Q

What breaths do you take with inhaler

A

Tidal volume breaths

80
Q

What do before use inhaler

A

BREATHE all way out
Sit uo straight

81
Q

Reasons for starting ICS

A

Asthma attack in last 2 years requiring oral corticosteroids
Beta agonsit eg slabuatmol 3 times a week
Symptomatic 3 time a wekmore
Nocturnal symtooms waking one night a week

82
Q

Under 5 pathogens LRTI

A

Virsus
Penumococci
Influenza
Bordetella pertussis
Chlamydia

83
Q

Over 5

A

Mycopplasma - symptoms worse than signs
Strep pneumoniae
Chlamydia
Myocbacterium TB

84
Q

Sev penumonia in children features

A

<92%
RR>70 (>50 in oder children)
Significant tachy
CRT >2s
Difficulty breething
Apnoea, grunting
Not feeding
Chronic conditions

85
Q

What investgiations do for resp viruses, Mycoplasma and chlamydia

A

nasopharyngeal secretions or nasal swab for PCR and/or immunofluroesence

86
Q

What investgiations do for resp viruses, Mycoplasma and chlamydia

A

nasopharyngeal secretions or nasal swab for PCR and/or immunofluroesence

87
Q

Antibiotic for pneumonia children

A

Amoxicillin

88
Q

Signs of resp distress in a 3 month old

A

Head bob
Tracheal tug
Nasal flaring
Costal recession
Sternal recession
Increased resp rate and effort
Use of accessory muscels

89
Q

Bronchiolitis presentation

A

Prodrome of 1-3 day coryzal symptoms

Cough

Increased work of breathing : increased respiratory rate and chest recession
Apnoea

Wheeze/crackles on auscultation

Reduced feeding

90
Q

Criteria for admission bronchiolitis

A

Apnoea
Resp distress
<92% sats
DIFFICULTY FEEDING - 50-75% USUAL

91
Q

What is pavilizumab

A

RSV monoclonal antibody

92
Q

Indications for pavilizumab

A

<2 with haemodynamically significant CHD
SCID
Long term ventilation
Preterm infants on supplementary oxygen

93
Q

Treatment for croup

A

Oral dexamethasone
Nebulised budesonide
Adrenaline nebuliser if severe
IV ceftriazone and fluclozacillin
DONT EXAM AW

94
Q

Signs epiglottitis

A

Thumb sign lateral neck x ray
Cherry red epiglottis

95
Q

Retropharyngeal abscess

A

Prodrome of 1-3 day coryzal symptoms

Cough

Increased work of breathing : increased respiratory rate and chest recession
Apnoea

Wheeze/crackles on auscultation

Reduced feeding

96
Q

Children at risk of AKI

A

Children with underlying nephron-urological, kidney or liver disease

· Children with malignancy or a Bone Marrow Transplant

· Children who depend on others for access to fluid

· Children exposed to nephrotoxins –(eg ACEis, ARBs, NSAIDs, diuretics, aminoglycosides, calcineurin inhibitors)
Known kidney disease e.g. chronic kidney disease or
a kidney transplant
* Heart disease
* Liver disease
* Cancer undergoing treatment
* Bone marrow transplant
* Any condition which makes them dependent on others
for access to fluids
* Treatment with some antibiotics e.g. gentamicin,
tobramycin
* Treatment with other medications e.g. tacrolimus
or ciclospori

97
Q

Conditions putting child at risk of AKI

A

Sepsis

· Dehydration

· History of reduced urine output

· Hypoperfusion

· Exposure to nephrotoxin

· Intrinsic renal disease

· Obstruction

· Major surgery

98
Q

What is creatinine level determined by

A

Height

99
Q

When can an AKI be diagnosed in Cchildren

A

<0.5ml/kg/hour for >8 hour

100
Q

Bloods in status epilepticus child

A

Full blood count
Urea & Electrolytes
CRP
Glucose
Magnesium
Calcium
Cultures

Childs Health (82 decks)

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