For those in whom exercise can trigger an asthma attack (exercise-induced asthma), higher levels of ventilation and cold, dry air tend to exacerbate attacks. For this reason, activities in which a patient breathes large amounts of cold air, such as skiing and running, tends to be worse ...
根据第三段“Additionally, all attacks need a trigger, and if these triggers can be identified and avoided, the likelihood of an attack decreases. Triggers can include: pollution, smoking, dust, animal hair, stress, pollen, exercise and cold air. These triggers are personal to each individual...
An asthma attack may be triggered by exposure to an allergen. During an asthma attack, the muscles that surround the bronchial tubes constrict, narrowing the air passages and making it extremely difficult to breathe.7 An asthma attack can feel as if someone is sitting on your chest or there’...
91 Half of the patients with AERD are severe asthmatics, and they often have fixed airflow obstruction. When the attack in AERD patients is caused by the administration of COX inhibitors, severe watery rhinorrhea and nasal congestion often develop as prodromal symptoms, which can be accompanied ...
affects your airways, the tubes that carry air in and out of your lungs. When you have asthma, your airways can become inflamed and narrowed. This can cause wheezing,coughing, and tightness in your chest. When these symptoms get worse than usual, it is called an asthma attack or flare-...
When an exacerbation or "attack" of asthmatakes place, the inflammation in the airways causes the lining of the breathing passages to swell. This swelling narrows the diameter of the airway, eventually to a point where it is hard to exchange enough air to breathe comfortably. This is whencoug...
Some people withasthmamay go for extended periods without having anasthmaattack or other symptoms, interrupted by periodic worsening of their symptoms due to exposure toasthma triggerssuch as exercise or exposure to cold air. Mildasthma attacksare generally more common. Usually, the airways open up...
is harsh on your respiratory system whether or not you have asthma. this is why it hurts so much to breathe when it’s chilly outside . and if you have asthma, the way cold air aggravates your airways can lead to an asthma attack , raymond casciari, m.d., a pulmonologist at st. ...
asthma attack- respiratory disorder characterized by wheezing; usually of allergic origin asthma,bronchial asthma bronchospasm- a spasm of the bronchi that makes exhalation difficult and noisy; associated with asthma and bronchitis respiratory disease,respiratory disorder,respiratory illness- a disease affectin...
collect stale air (carbon dioxide), which is exhaled out of the body. During normal breathing, the bands of muscle surrounding the airways are relaxed and air moves freely. But during an asthma episode or "attack," there are three main changes that stop air from moving freely into the ...