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Its symptoms include a wide range of manifestations such as breathlessness, coughing, a tight chest and wheezing. [2] An asthma attack is usually mediated by an inflammatory pathway, where a trigger such as an allergen could lead to a series of immune response mediated by various types of immune cells. [3]
"This causes recurrent episodes of coughing, wheezing, and chest tightness," says Dr. Laura Conrad, director of the Pediatric Asthma Center at the Children’s Hospital at Montefiore in New York.
Very severe acute asthma (termed "near-fatal" as there is an immediate risk to life) is characterised by a peak flow of less than 33% predicted, oxygen saturations below 92% or cyanosis (blue discoloration, usually of the lips), absence of audible breath sounds over the chest ("silent chest" : wheezing is not heard because there is not enough ...
Asthma can cause wheezing, breathlessness, a tight chest and coughing. For some people asthma can be mild, for others it is more severe. Sometimes the condition can cause a person to have an ...
Asthma is characterized by recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing. [21] Sputum may be produced from the lung by coughing but is often hard to bring up. [22] During recovery from an asthma attack (exacerbation), the sputum may appear pus-like due to high levels of white blood cells called eosinophils. [23]
If such an attack - involving difficulty breathing, wheezing, coughing and chest tightness - cannot be controlled with regular inhalers then doctors currently prescribe a course of steroids.
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