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Stridor: Wheeze-like sound heard when a person breathes. Usually it is due to a blockage of airflow in the windpipe (trachea) or in the back of the throat. [10] Wheezing: High-pitched sounds produced by narrowed airways. They are most often heard when a person breathes out (exhales).
Stridor (from Latin 'creaking/grating noise') is an extra-thoracic high-pitched breath sound resulting from turbulent air flow in the larynx or lower in the bronchial tree. It is different from a stertor , which is a noise originating in the pharynx .
Preschool wheezing can be divided into "viral-induced wheeze" and "multi-trigger wheeze". Viral-induced wheezing accounts for about two-thirds of all preschool wheezes. The wheezing symptom is episodic and the child is completely normal in between wheezing episodes. It has a good prognosis and only supportive treatment is required.
Stertor (from Latin stertere 'to snore') is a term first used in 1804 [2] to describe a noisy breathing sound, such as snoring. [3] [4] It is caused by partial obstruction of the upper airways, at the level of the nasopharynx or oropharynx. [1] It is distinguished from stridor by its pitch. [4]
This condition is most commonly seen in infants and young children. [2] The usual symptom is stridor when a person breathes out. This is usually known as a collapsed windpipe. The trachea normally opens slightly during breathing in and narrows slightly during breathing out. These processes are exaggerated in tracheomalacia, leading to airway ...
Stridor is a sign of upper airway obstruction and is a surgical emergency. The child often appears acutely ill, anxious, and will have very quiet shallow breathing often keeping the head held forward and insisting on sitting up in bed, commonly called the "tripod position."
The most common symptom of laryngotracheal stenosis is gradually-worsening breathlessness particularly when undertaking physical activities (exertional dyspnea).The patient may also experience added respiratory sounds which in the more severe cases can be identified as stridor but in many cases can be readily mistaken for wheeze.
Children often present with excessive drooling and stridor (high pitched breathing sounds). [3] Classic triad of choking symptoms in children is coughing, wheezing, and diminished breath sounds, however, a 10-year review showed that this grouping of symptoms was present together in only about 60% of patients. [14]
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