Exercise-induced bronchoconstriction

Exercise-induced bronchoconstriction (pronounced: ex-er-cise in-duced bron-ko-con-stric-tion), also known as Exercise-induced asthma or EIB, is a condition where an individual's airways narrow during or after exercise.

Etymology

The term "Exercise-induced bronchoconstriction" is derived from the words "exercise" (from the Latin exercitus, past participle of exercere meaning to keep busy or to work), "induced" (from the Latin inducere meaning to lead in), and "bronchoconstriction" (from the Greek bronkhos meaning windpipe and the Latin constrictus, past participle of constringere meaning to draw together).

Definition

Exercise-induced bronchoconstriction is a form of bronchospasm that is triggered by physical activity. It is characterized by shortness of breath, wheezing, coughing, and chest tightness. The symptoms can occur during or after exercise.

Causes

The exact cause of exercise-induced bronchoconstriction is unknown, but it is thought to be related to the loss of heat or water from the lungs during exercise. This can trigger the airways to narrow, leading to symptoms of asthma.

Diagnosis

Diagnosis of exercise-induced bronchoconstriction is typically made through a combination of patient history, physical examination, and lung function tests. A bronchial challenge test may also be used to confirm the diagnosis.

Treatment

Treatment for exercise-induced bronchoconstriction typically involves the use of bronchodilator medications before exercise to prevent the airways from narrowing. Long-term control may involve the use of inhaled corticosteroids.

Related Terms

• Asthma
• Bronchospasm
• Bronchodilator
• Bronchial challenge test
• Inhaled corticosteroids

External links

• Medical encyclopedia article on Exercise-induced bronchoconstriction
• Wikipedia's article - Exercise-induced bronchoconstriction

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