Asthma

From Pdhpe Magdalene

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[[http://editthis.info/pdhpe_magdalene/Year12PDHPE Year 12 PDHPE]]
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'''Asthma'''
'''Asthma'''
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Click here for animated overview of asthma - http://www.whatsasthma.org/
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[http://www.whatsasthma.org/ http://editthis.info/images/pdhpe_magdalene/6/6b/Asthma.jpg]
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Image:Pic1-1.gif
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Click the above image to see an animated overview of asthma - http://www.whatsasthma.org/
'''Nature of the problem.'''
'''Nature of the problem.'''
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* the muscles around the airways tighten.
* the muscles around the airways tighten.
* increased mucus secretion partially blocks the airways.
* increased mucus secretion partially blocks the airways.
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http://editthis.info/images/pdhpe_magdalene/0/09/Pic1-1.gif
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image from http://www.asthmaaustralia.org.au/
'''Extent of the problem'''
'''Extent of the problem'''
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'''Risk factors'''
'''Risk factors'''
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Non-modifiable
Non-modifiable
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- Age
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* Age
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- Gender
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* Gender
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- Family history
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* Family history
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'''Modifiable'''
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Modifiable
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- Irritants (smoke, pollution, deodorant)
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* Irritants (smoke, pollution, deodorant)
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- allergens (pollen, dust, mould spores)
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* allergens (pollen, dust, mould spores)
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- Viral infections  
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* Viral infections  
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- exercise
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* exercise
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- weather changes(cold air)
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* weather changes(cold air)
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- food preservatives
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* food preservatives
'''Social determinants'''
'''Social determinants'''
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- Low ses are more likely to work in environments with irritants (pollution, chemicals)
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* Low SES are more likely to work in environments with irritants (pollution, chemicals)
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- Low ses are more likely to smoke, and their children who passive smoke are more likely to develop asthma
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* Low SES are more likely to smoke, and their children who passive smoke are more likely to develop asthma
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- Low ses generally have less access to heath services to manage and treat their asthma.
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* Low SES generally have less access to heath services to manage and treat their asthma.
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- Rural and remote areas have limited access to emergency care.
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* Rural and remote areas have limited access to emergency care.

Current revision as of 10:36, 18 December 2007

[Year 12 PDHPE]

Asthma

Asthma.jpg

Click the above image to see an animated overview of asthma - http://www.whatsasthma.org/

Nature of the problem.

Asthma is a respiratory disease where the narrowing of a person's airways causes difficulty in breathing. This happens because;

  • the inside lining of the airways becomes swollen.
  • the muscles around the airways tighten.
  • increased mucus secretion partially blocks the airways.

Pic1-1.gif image from http://www.asthmaaustralia.org.au/

Extent of the problem

  • Mortality rates have decreased over the last 10 years.
  • self reported prevalence has increased over the past 10 years.
  • Asthma is he most common reason for hospital admission of children.
  • Prevalence is highest amongst people aged 4-25.
  • Death rate is highest in rural and remote areas - possibly due to limited access to emergency care.
  • Indiginous Australians have a higher prevalence of asthma.
  • Boys have a higher rate up until teenage years, Girls have a higher rate after the teenage years.

Risk factors

Non-modifiable

  • Age
  • Gender
  • Family history

Modifiable

  • Irritants (smoke, pollution, deodorant)
  • allergens (pollen, dust, mould spores)
  • Viral infections
  • exercise
  • weather changes(cold air)
  • food preservatives

Social determinants

  • Low SES are more likely to work in environments with irritants (pollution, chemicals)
  • Low SES are more likely to smoke, and their children who passive smoke are more likely to develop asthma
  • Low SES generally have less access to heath services to manage and treat their asthma.
  • Rural and remote areas have limited access to emergency care.
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