Clinical features of Astma in childhood and treatment Flashcards

(53 cards)

1
Q

what part of the airway responds to stimuli in astma

A

bronchi and tranchea

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2
Q

what are the general symptons of astma

A

wheezing, coughing, shortness of breath, chest tightening

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3
Q

When are asthma symptoms worse

A

start or end of the day

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4
Q

what percent of children and adults have astma

A

children 10-15
adults 5-10

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5
Q

what is the most common gender to have asthma in children and adults

A

children - male
adults - female

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6
Q

what is the total cost of astma in the UK

A

around 2.5 billion annualy ( this includes lost productivity and benefits)(

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7
Q

what happens to the airway during an asthma attach

A

the smooth musles tirghnes, there is air trapped in the aveoli

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8
Q

atropy

A

the bodys predistription to develop allerigic diseases such as asthma , alleric rhinitis and atopic dermitis
it is the predistion to produce ige in response to a change in the external environment

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9
Q

what heridetry factor increases risk of astma

A

if aperivous family member has had astma or a atopic disease

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10
Q

what facgorsdoes maternal smoking in pregnacy have

A

fev1, wheezing illness, airway responsivness, asthma

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11
Q

epigenetic

A

study of how disease and enviroment can cause changes to how you genes work

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12
Q

can you grandmother smoking effect you

A

yes, it can turn on certain genes which can be passed to the mother

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13
Q

what occupations can make you more likley to have asthma, which substances do theyinvolvle

A

crab/proawns, amalzye/ subtilisin, antibions/ salbutamol, grains, rat urine protines, welding solder flux, twin pack paint

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14
Q

what are personal risk factor for astma

A

obesity, vitamen e, c and d defincies, hygenie hypothiesins

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15
Q

what sort of variations do you see in asthma
daily
weekly
annualy

A

daily, nocturnal/ early morning
weekly - better at weekends and holiday
manually - envirometna allergens

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16
Q

what can trigger an astma attachk

A

exercise, cold air , cigarette smoke, perfumes, utis, pets, tree and grass pollen , food , drugs

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17
Q

what is pmh for astma

A

chilhood astma, borochis or wehhes, eczema or hayfever
perinatal medical history

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18
Q

what is inclued in drug history

A

current inhalerous, complinace
b blockers, aspirin, ns aids
effect of prevous drus/ inhaliors

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19
Q

what is included in family history

A

asthma ns other atopic diseases

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20
Q

what is inclueded in social history

A

tobacco, recriota drus, vaping
pets
occupation
psycological astma

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21
Q

what are signs that someone may not have astma

A

finger clubing, cervial lymphadenopathy
stridor
asymmetical epanisino, dull percussion note - collapsed lung
crepiations - brochiates

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22
Q

what can cause generalised airflow obstuction

A

copd -
bronchioaties,
cycstic fibrosis

23
Q

what can causes strider

A

tumour
foreing bodys

24
Q

main way to test for astma

A

spirometry with it less than being 40% fev/fvc

25
how do co levels differ for people with asthma and copd
higher in people with copd due to them less able to bind it to there blood cells due to destruced alveoi
26
how to teste response to broncidliation
test baseline 15 before salubamol and 15 after salbulatom, see 12% increase in baseline at least
27
how to test response to steriods
do it after two weeks do baseline before starting this sepaerts copid use corticosteroids
28
what pattern are you looking for in airflow overtime with peak flow
sawtooth pattern due to dips in moring and evenings
29
what differene is sinee in exhaled nitic oxicd for astmatic
significatly hgiher
30
how do histamine and methachoine testo for atmat
they can reduce fev/fvc and thus indicate astma as induce astma attack
31
what blood test can be done to dected astma
total and specifc ige full blod cout including eosionphilia
32
what may be seen in a chest xray
hyperinflation, hyperlucent
33
what are teh main symotes of moderate astma attach
able to spea full senacts heart rate less tah 110 rr less than 25 higher fev/fvc of around 50-75% sa02 greater than 92% pa02 greater than 8kpa (60mmhg
34
main symptones of moderate astma attack
Able to speak, complete sentences HR < 110 RR < 25 PEF 50 - 75% predicted or best SaO2 ≥ 92% (no need for ABG) PaO2 ≥ 8kPa
35
main symptons of severe astma
Inability to complete sentences in one breath HR ≥110 RR ≥25 PEF 33 - 50% predicted or best SaO2 ≥ 92% PaO2 ≥ 8kPa
36
main symptons of life threathing astma
Grunting Impaired consciousness, confusion, exhaustion Bradycardia/ arrhythmia/ hypotension PEF < 33% predicted or best Cyanosis Silent chest Poor respiratory effort SaO2 < 92% (definitely needs blood gas!) PaO2 < 8kPa PaCO2 normal (4.6 - 6.0kPa) `
37
main symptons of near fatal astma
Raised PaCO2 Need for mechanical ventilation
38
what are the aims of treatment for astma
no daytime symptons, no nighttime symptoms, no astma attacks, no limitatins on activity and exercise and a normal lung function mimical side effects of medication
39
best ways to control astma theraputily
exercise, weight managment, stoping smoking
40
astma action plan
a document which all people with astma should carry, describes normal peak flow, which is there preventer oand deliver inhalier, who to call in an emergency and emercenty steps
41
What is a pmdi
a metered inhalier - normal inhaleir - gives certin dose
42
what is the puprose of a space
it diffuses the medcaiton into a tube for those who can have medication normally due to not being able to coordinate breath sounds
43
what are dpi
dry powerderd inhaliors - need a certian level of inspiration for these to work
44
what form of inhalior can salbutamol work in and what is its function
mdi and dpi, function as a reliver
45
what form can terbutaline work in and what is its purpose
a dpi, reliver
46
what are oral ways to reduce astma
leukotriene receptor antagoinsit theophylline prednisolone
47
what are specialist options to reduce astma
omalizumab (anti ige) mepolizumab (anti interleukin 5) bronchial thermoplasty
48
what are some hospialt resatmens for severe astma attach
iv steriods, iv magnesium, iv amiophylline
49
what are some of the effects of iv magnesium
feeling of incontentice,
50
what is a severe conditoin which you risk developing if you have asthma attack
pneumothorax
51
what type of steriods are used daily for asthma as preventos
corticol
52
what is the order of treatment for astma
cortical steriods, then laba, thne increase ibs, or add ltra or stop laba if non functional then refer for specialised
53