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Asthma Causes And Symptoms

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Asthma

Asthma is characterizedby expiratorydyspneacrisis, often at night, not related to a cardiovascular disease, between which anyassociated obstructive syndrome does not persist,associatedwith blood and sputum eosinophilia. It was initially included, along with chronic bronchitis and emphysema in COPD. Today it is considered as a separate entity.

Forpositive diagnosis of asthma, you should have at least three of the following five criteria: personal or family history of allergy, the onset of the crisis before 25 or after 50 years, paroxysmal and expiratory dispneea, reversibilityof crisis undercorticosteroid treatment, disturbances of the plasmatic volumesandflow expiratory volume (FEV decline in particular).

Asthma symptoms and causes

Asthma symptoms and causes

Bronchial asthma, chronic bronchitis and emphysemaare entering the broad concept of chronic obstructive pulmonarydisease. Asthma, bronchitis, can often be the cause of theonset of emphysema. Asthma can become infected, wearing the look of bronchitis asthma. The latter is preceded always by asthma.

AsthmaCauses

Asthma isnot a disease, but rather a syndrome, which lasts a lifetime (the patient is born and dieswith asthma), it has along and sicontinousevolution, verycapricious.Ithas anallergies base,with two elements: a general factor (atopic) and local factors (airway hypersensitivity). The key is the general factor, atopic (allergic),which isusuallyhereditary.

The most common allergens are: pollen,chamber dust, animal hair and dander, fungi, some food allergens (milk, eggs, meat) or drugs (aspirin, penicillin andsome microbial products).

Asthma Causes

Asthma Causes

Asthma Signs AndSymptoms

At first, the attacks are typical, withavery abruptbeginning and end, with free intervals, later inintervals between crises, there are signs of emphysema and chronic bronchitis with dyspnea more or less obvious. The crisis usually occurs in the second half of the night, often violently, with dyspnea and anxiety, itching and hypersecretion, sometimes it is announcedby sneezing, tearing, itching of the eyelids,and a headache. Paroxysmal dyspnea intallswith difficulty inbreathing with prolonged expiration and wheezing. The patient remains in bed or runs to the window to breathe with a bigair thirst.The patientusually sits with his head back and supported in their hands, withbloodshot eyes and dilated nostrils.

Bronchial Asthma

Bronchial Asthma

Evolution is long, variable and verycapricious. Pure form occurs in children and tends to diminish at puberty. Sometimes, seizures are very common. Over time, complications arise: bronchopulmonary infections (chronic bronchitis, bronchial dilatations, lung diseases), pulmonary emphysema, respiratory failure and many more.