Asthma disease is a condition in which the airways are narrowed because of hyperactivity to certain stimuli, which cause inflammation. Refinement is temporary, that can be triggered by various stimuli, such as pollen, dust, animal dander, smoke, cold air and exercise. Episodic symptoms that may arise in the form of recurrent wheezing, shortness of breath, chest feels heavy and coughing, especially early in the morning the night before.
In case of asthma attacks, usually of the bronchi smooth muscle spasm and tissue lining the airways that have swollen due to inflammation and the release of mucus in the airways. This will reduce the diameter of the airways (called bronchoconstriction) and refinements this is causing the patient must try very hard in order to breathe.
SIGNS AND SYMPTOMS OF DISEASE ASTHMA
In asthma, which usually happens is complain shortness of breath due to breathing the air can not flow smoothly in the airways narrow and usually it causes breathing sounded like "hik-hik". The occurrence of respiratory tract constriction may be shrinking and closing of the channels by which dirpoduksi excessive phlegm and cause coughing as a response mechanism to remove the phlegm.
If asthma occurs in children, early symptoms of asthma can include itchiness in the chest or neck. Besides dry cough at night or when doing exercise can also be the only symptom.
Very severe asthma attack can cause the sufferer can not speak because of difficulties to regulate respiration.
WHAT CAUSES ASTHMA attacks?
Until now there is no consensus of experts about the cause of why people suffer from asthma. New only known that certain cells in the airways (mast cells), allegedly responsible for the beginning of the narrowing of the airways. Mast cells throughout the bronchi will be releasing material such as histamine and leukotrienes which cause: - the contraction of smooth muscle - increases the formation of mucus - the displacement of certain white blood cells into the bronchi. Why did these mast cells? mast cells release these materials as a response to something they know as foreign substances (allergens) that tries to enter, such as pollen, fine dust contained in the house or animal fur.
Asthma can also occur in some people without a specific allergy. Terekcuali not, the same reaction occurs if the person is doing sports or being in cold weather. Psychological state that is stress or anxiety can also trigger the release of histamine and leukotrienes. Asthma attacks can also be experienced by some women the days of the menstrual cycle, however this is very rarely
Besides asthma may also suffer due to heredity. If a mother or father suffered from asthma, the chances are of people with asthma in family members.
Prevention
If the cause of asthma because of genetic diseases may be difficult to avoid. But if not because of heredity, there are several ways that can be used to prevent asthma attacks.
1. Trying to identify and stay away from things that can trigger asthma.
2. Consuming food and prevention of asthma drugs
3. Always be alert to observe and identify the early signs of asthma attacks
4. Always take your regular medications for asthma consumption