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High type cough
Characterized by high type cough "barking dog" fever and striders
The most common agents are the par influenza viruses 1 and 2, and influenza type A.
Most often occurs in autumn and winter, with children 1-3 years and average duration 3-7 days.
Can be called atypical when it occurs in less than 1 year, longer than 7 days, or when not responding to treatment (in these cases should consider foreign body, , bacterial) The crucial factor is the disease edema area.
In less than 3 years, this is the point of greatest narrowing of the upper airways, and is the only portion of the upper respiratory tract where there is a complete closure of the cartilaginous ring, making the most important obstruction of the lumen.
It is interesting to remember that striders at rest does not occur to a 80% obstruction of the lumen, and a cork secretion can be fatal in an airway already compromised
The initial clinical presentation is often nasal congestion, rhino rhea, angina (table IVAS) and a few days later dysphonic and nonproductive cough in "bark", worse at night which is usually self-limited.
The diagnosis is usually based on clinical findings cervical radiography may show the classic sign of "church steeple"
Caused by sub glottis narrowing radiography is important in differential diagnosis of foreign body, and in cases of recurrent croup should think of as a predisposing factor associated with the disease usually has a benign course with gradual resolution. The treatment consists in wetting airway hydration to facilitate the secretion and phlegm voice rest is dispread
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