Asthma - Asthma Attack - NHLBI, NIH
2024年4月17日 · Asthma attacks, or flare-ups, happen when swelling or tightening narrows the airways, making it harder to breathe. During an asthma attack, symptoms get much worse. Attacks can come on quickly or gradually and may be life-threatening. People with asthma that is difficult to treat may get asthma attacks more often.
treatments, thus underscoring the distinction between acute and chronic asthma management. — Acknowledges the limited value of pulmonary function measures in very severe exacerbations. For the treatment of exacerbations, the current update: — Adds levalbuterol as a SABA treatment for asthma exacerbations.
Asthma - Causes and Triggers | NHLBI, NIH
2024年4月17日 · However, asthma can also occur when the body’s natural defenses against germs and sickness react strongly to a new substance in the lungs. Asthma usually starts during childhood when the body’s defense system is still taking shape. However some people don’t show signs of asthma until adulthood — this is known as adult- onset asthma ...
Asthma - Treatment and Action Plan | NHLBI, NIH
2024年4月17日 · Nocturnal asthma refers to asthma symptoms that occur at night. It is not a separate type of asthma, but a sign of poor symptom control. It is common for asthma symptoms to get worse at night or in the early morning. Sometimes, your symptoms may wake you up at night. If this happens often, it may be a sign that your asthma is not well controlled.
Asthma - What Is Asthma? - NHLBI, NIH
2024年4月17日 · Asthma is a chronic condition that affects 1 in 13 Americans. Asthma is a chronic (long-term) condition that affects the airways in the lungs. The airways are tubes that carry air in and out of your lungs. If you have asthma, your airways can …
Persistent Asthma KEY POINTS • For individuals with mild persistent asthma, either of the following two treatments are recommended as part of Step 2 therapy: 1) a daily low-dose ICS and as-needed SABA for quick-relief therapy, or 2) intermittent as-needed SABA and ICS used one after the other for worsening asthma.
if possible (if asthma is well controlled for at least 3 consecutive months) Consult with asthma specialist if Step 3 or higher is required. Consider consultation at Step 2. Control assessment is a key element of asthma care. This involves both impairment and risk. Use
In asthma, the dominant physiological event leading to clinical symptoms is airway narrowing and a subsequent interference with airflow. In acute exacerbations of asthma, bronchial smooth muscle contraction (bronchoconstriction) occurs quickly to narrow the airways in response to exposure to a variety of stimuli including allergens or irritants.
2020 Focused Updates to the Asthma Management Guidelines
2020年12月3日 · Asthma guidelines play an important role in guiding health care providers and patients by providing evidence-based recommendations for asthma management. The National Heart Lung and Blood Institute (NHLBI) supports the development of clinical practice guidelines based on the best available science that specialists and health care providers can ...
Guidelines from the National Asthma Education and Prevention Program The goal of this asthma care quick reference guide is to help clinicians provide quality care to people who have asthma. Quality asthma care involves not only initial diagnosis and treatment to achieve asthma control, but also long-term,