Consequences of worsening bronchial asthma

Written by Xia Bao Jun
Pulmonology
Updated on September 03, 2024
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The consequences of exacerbated bronchial asthma can cause the patient to feel short of breath even at rest, exhibit orthopnea, and be able to speak only in single words or syllables. The patient may experience anxiety or irritability, sometimes accompanied by profuse sweating, and an increased respiratory rate which, if severe, can exceed 30 breaths per minute. There may also be activity of the respiratory muscles and signs of tracheal tugging, an increased heart rate exceeding 100 beats per minute, which in severe cases can surpass 120 beats. Additionally, there is a decrease in blood oxygen saturation, which can drop below 60%.

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Written by Wang Xiang Yu
Pulmonology
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The causes of bronchial asthma

The causes of bronchial asthma are actually not very clear at present, but current research shows that bronchial asthma is mainly caused by genetic and environmental factors. Genetic factors are relatively easier to understand, meaning if parents have a history of bronchial asthma, then their children, grandchildren, and other blood relatives may have a higher chance of developing bronchial asthma than the general population. Additionally, bronchial asthma is also related to environmental factors, such as air pollution, smoking, dust mites, pollen, etc.

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Written by Wang Xiang Yu
Pulmonology
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Can bronchial asthma be inherited?

The etiology of asthma is still very unclear, but genetics may indeed be related to bronchial asthma to some extent. Currently, a lot of research data indicates that the incidence rate of bronchial asthma is higher among the relatives of patients than in the general population, and the closer the familial relationship, the higher the incidence rate and potentially more severe the condition could be. In layman's terms, this means that if our parents have bronchial asthma, then the likelihood of their children having bronchial asthma is higher than in the general population. However, this is not absolute; it does not mean that if a parent has bronchial asthma, their children will definitely have it. The relationship is not very certain, and the genes related to bronchial asthma are also not very clear at present. Bronchial asthma is also related to many other factors.

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Written by Wei Shi Liang
Intensive Care Unit
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Causes of Bronchial Asthma

The most common cause of bronchial asthma is inhalants, which are mainly found in daily life, such as dust mites, pollen, fungi, and some irritating and toxic gases, all of which may irritate the airways and cause asthma. Infections are closely related to the occurrence of asthma, and respiratory infections such as viruses, bacteria, and mycoplasma can all trigger asthma. Additionally, certain specific foods, such as fish, shrimp, crab, milk, and eggs, may cause asthma in certain groups of people. Factors such as the patient's mental state, changes in the climate, and intense exercise are also possible causes of bronchial asthma. These are the most common causes of bronchial asthma onset.

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Written by Zeng Xiang Bo
Respiratory and Critical Care Medicine
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Is bronchial asthma serious?

The symptoms of bronchial asthma vary from person to person, as does its severity. Some patients may have very mild symptoms, only showing slight chest tightness and mild coughing. Other patients may experience very severe symptoms such as respiratory failure, loss of consciousness, cardiac arrest, and sudden death. The clinical presentations are completely different. Therefore, bronchial asthma can be considered a suppressive disease, meaning everyone's symptoms are different, and one cannot generalize; most patients are relatively mild.

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Written by Han Shun Li
Pulmonology
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What medicine is used for bronchial asthma?

Bronchial asthma, although common, currently has no specific treatment. The primary aim of medication is to control symptoms. There are two main types of medications used to treat asthma: one type is known as bronchodilators, commonly including receptor agonists, anticholinergics, and theophylline. The other type is anti-inflammatory drugs, commonly including corticosteroids, leukotriene modifiers, sodium cromoglycate, nedocromil sodium, and ketotifen. (Medications should be used under the guidance of a doctor, according to specific circumstances.)