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Diseases mimicking childhood
asthma (differential diagnosis)
Upper airway
diseases.
Allergic rhinitis and sinusitis.
Obstructions involving large
airways.
Foreign body in trachea or
bronchus.
Vocal cord dysfunction.
Vascular rings or laryngeal webs.
Laryngotracheomalacia, tracheal
stenosis, or bronchostenosis.
Enlarged lymph nodes or tumor.
Obstructions
involving small airways.
Viral bronchiolitis or
obliterative bronchiolitis.
Cystic fibrosis.
Bronchopulmonary dysplasia
Recurrent cough
not due to asthma.
Heart disease
Aspiration from swallowing
mechanism dysfunction or gastroesophageal reflux.
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Recent advances in diagnosis
of childhood asthma: |
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Impulse osillometery (IOS)
Impulse
Osillometry is a newer technology that uses small amplitude
pressure oscillations to determine the resistance of the
airway.
Read More |
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| Exhaled
Nitric Oxide test.
NO is
produced in discrete concentrations in the healthy human
airway where it is important in physiological functions such
as maintaining airway patency. NO is over produced in
asthmatic individuals. It is responsible for airway
inflammation (swelling) and is also the product of airway
inflammation.
Read more
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last
modified: 24-4-2010 |
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