Acute asthma exacerbation acute bronchitis spasm, should be the acute attack of bronchial asthma mainly manifested in the sudden onset of symptoms such as wheezing, shortness of breath, chest tightness or coughing, or an acute exacerbation of the original symptoms.
According to the severity of the acute attack, it can be categorized into 4 grades: mild, moderate, severe and critical.
1. Mild: shortness of breath when walking or walking up stairs, anxiety, mild increase in respiratory rate, scattered rales, blood gas test and pulmonary ventilation test can be within normal range.
2. Moderate: shortness of breath occurs when the patient moves around a little, there may be a triple concave sign, and odd pulse may occur.
3. Severe: shortness of breath can be seen at rest, sitting breathing, often with a triple-concave sign, peak expiratory flow rate of less than 60% of the expected value after the use of bronchodilators, and oxygen saturation of less than 90%.
4. Critical: patients with severe hypercapnia and hypoxemia, and patients with drowsiness, blurred consciousness and other signs of impaired consciousness.
It is recommended that when the above respiratory symptoms as well as neurological symptoms occur, the patient should seek medical treatment in time for targeted treatment.