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Exercise-induced bronchoconstriction can be difficult to diagnose clinically given the lack of specific symptoms [2] and frequent misinterpretation as manifestations of vigorous exercise. There are many mimics that present with similar symptoms, such as vocal cord dysfunction , cardiac arrhythmias , cardiomyopathies , and gastroesophageal ...
More generally termed exercise-induced asthma, the preferred and more accurate term exercise-induced bronchoconstriction better reflects underlying pathophysiology.It is also preferred due to the former term giving the false impression that asthma is caused by exercise.
Bronchial hyperresponsiveness (or other combinations with airway or hyperreactivity, BH used as a general abbreviation) [1] is a state characterised by easily triggered bronchospasm (contraction of the bronchioles or small airways). Bronchial hyperresponsiveness can be assessed with a bronchial challenge test.
The Cleveland Clinic notes that although the precise cause of exercise-induced anaphylaxis is still unclear, scientists have identified certain foods that can trigger the reaction in the majority ...
Bronchospasm or a bronchial spasm is a sudden constriction of the muscles in the walls of the bronchioles. It is caused by the release (degranulation) of substances from mast cells or basophils under the influence of anaphylatoxins. It causes difficulty in breathing which ranges from mild to severe.
[9] [10] Symptoms include episodes of wheezing, coughing, chest tightness, and shortness of breath. [3] These may occur a few times a day or a few times per week. [4] Depending on the person, asthma symptoms may become worse at night or with exercise. [4] Asthma is thought to be caused by a combination of genetic and environmental factors. [3]
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Jessica Capshaw and Camilla Luddington talk about their new podcast and reflect on their time on Grey's Anatomy. (Corbis via Getty Images) (Stephane Cardinale - Corbis via Getty Images)