Allergy Testing Vancouver

Allergy Testing Vancouver - The term asthma is derived from the Greek language and translates to "panting." It is a chronic inflammatory sickness of the airways. Asthma is characterized by recurring and variable signs, comprising bronchospasm and reversible airflow obstruction. Signs of asthma comprise: chest tightness, wheezing, coughing and shortness of breath. Asthma is clinically classified depending upon the frequency of signs, peak expiratory flow rate and forced expiratory volume in one second. Asthma can be further categorized as extrinsic or atopic or non-atopic or intrinsic.

Asthma is thought to be triggered by a combination of genetic and environmental elements. Treatment of acute signs is often by utilizing an inhaled short-acting beta-2 agonist, like for instance salbutamol. People who suffer from asthma try to avoid triggers including allergens and irritants. Individuals who have asthma usually find relief by inhaling corticosteroids. Treatments using Leukotriene antagonists are less helpful as opposed to corticosteroids are normally less favored.

Usually, a diagnosis is made based upon the pattern of signs in addition to the response to therapy over time. Since the 1970s, there has been a significant increase in asthma. Based on statistics of 2010, throughout the world, over three hundred million individuals are affected worldwide and 250,000 asthma deaths were recorded in 2009. The prognosis for asthma is generally good due to the ability to correctly deal with this particular condition through therapy.


The classification of asthma is based upon its severity in people, the frequency of signs, if the symptoms take place at night, FEV1 variability and predicted percent of FEV1, how intermittent and often the attacks take place. The asthma could be considered mild persistent if the attacks occur less than twice a week and not each and every day. Like for instance, if they take place 3 to 4 times a month. One more category will be moderate persistent. These attacks can occur once per week but not every night. Daily attacks are considered to be severe persistent occurring usually 7 times in a week, maybe several times a day.

There is no current concise way to categorize the various asthma subgroups, though the condition is classified based on their severity as listed above. These cases of asthma will respond to many different treatments. There is still much research ongoing in order to find ways to categorize subgroups and what treatments respond well.

Asthma is not considered part of chronic obstructive pulmonary disease, even though it is a chronic obstructive condition. Emphysema, chronic bronchitis and bronchiectasis are examples of chronic obstructive pulmonary disease because this is irreversible. In asthma, the airway obstruction is reversible, although, if not treated, the chronic lung inflammation during asthma can become an irreversible obstruction due to airway remodeling. Asthma even affects the bronchi and not the alveoli as in emphysema.

Asthma Attack

Asthma attacks are defined as an acute asthma exacerbation. The classic symptoms comprise: wheezing, chest tightness and shortness of breath, though several individuals present mainly along with coughing. In several cases, are motion can be impaired so greatly that no wheezing is heard. During an attack, there could be a paradoxical pulse, that means a pulse which is stronger during exhalation and weaker during inhalation. The individual may have a blue tinge to their skin and nails caused by the lack of oxygen. Some muscles in the neck like for instance the scalene and sternocleidomastoid muscles might become more pronounced as the individual struggles for air.

The peak flow rate or PEFR is =200 L/min or =50% of the best possible flow rate in a mild exacerbation. Moderate is defined as between 80 and 200 L/min or 25 percent and 50 percent of the predicted best whilst severe is defined as = 80 L/min or =25% of the predicted best.

Exercise Induced

Amongst top athletes, asthma may be exercise induced. During the 1996 Summer Olympic Games in Atlanta, a study of the athletes showed that 15 percent of athletes had asthma and 10 percent were on asthma medication. The most common sports which have a high occurrence of asthma consist of mountain biking, cycling and long-distance running. Weight-lifting and diving show a somewhat lower incidence. There has been proof suggesting insufficient levels of vitamin D are related with serious asthma attacks. Usually, asthma induced by exercise is treated successfully with the use of a short-acting beta2 agonist.

Occupational Asthma

Individuals exposed to certain workplace elements, can have asthma. These reported asthma attacks are known as occupational respiratory disease. The majority of cases however, are not recognized or reported as occupational asthma. The highest percentage of cases occurred during labourers and fabricators, followed by professional and managerial specialists as well as individuals in sales, administrative support and technical jobs. The majority of these cases of asthma were in the services and manufacturing businesses. Some reactive chemicals are usually connected with work-related asthma as well as things like animal proteins, enzymes, flour and natural rubber latex. One research reported that 15 to 23 percent of new onset asthma cases that happened in adults are associated to work.


There are many environmental and genetic elements that cause asthma. A lot of these issues will influence how serious it responds to medication. There have been researches showing connected illnesses like for instance eczema and hay fever are related. The strongest risk factor for developing asthma is a history of atopic disease. The more allergens one reacts to on a skin test, the higher the possibilities of them having asthma.

Much of the allergic reactions to asthma is likewise connected with sensitivities to indoor allergens. The normal style of housing within the west, would also allow greater exposure to indoor allergens. There have been mixed findings to the prevention studies aimed at the aggressive reduction of airborne allergens inside a home with babies. For instance, strict dust mite restriction has reduced the chance of allergic sensitization to dust mites and moderately reduces the possibility of developing asthma until the age of 8. Although, similar researches with exposure to dog and cat allergies have shown that exposure during the first year of life was found to lessen the possibility of allergic sensitization and of developing asthma later in life.

Some researches within the UK and the USA have explored the risks between obesity and the development of asthma. A lot of elements which are connected with obesity may play a role in asthma pathology. Like for instance, because of a build-up of fatty or adipose tissue, a decreased respiratory function could occur. This could be partly because adipose tissue contributes to a pro-inflammatory state and this has been related with non-eosinophilic asthma. Adult onset asthma has likewise been connected with Churg-Strauss syndrome and periocular xanthogranulomas.

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Vancouver, British Columbia

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Vancouver is a main seaport and coastal city within the lower Mainland of southwestern British Columbia, Canada. Vancouver is derived from a British explorer, Captain George Vancouver.

The city of Vancouver is popular for its performing arts organizations. Vancouver Symphony Orchestra has programs like Kids Koncerts, Tea and Trumpets, Pops and different great works series for classical music lover to whoever novice concertgoer. The Arts Club Theatre Company offers theatre productions, specifically 10 to 14 musicals, new work, classics and comedies. Bard on the Beach Shakespeare Festival is held on Vanier Park from the month of June to the month of September. There are free lecture series, fireworks, and Arias and Operas programs...