Asthma Case Study

Topics: Asthma, Respiratory system, Respiratory physiology Pages: 9 (2098 words) Published: March 21, 2013
University of Perpetual Help System – DALTA
Alabang – Zapote Road, Pamplona, Las Piñas City
College of Nursing

A Case Study of
Bronchial Asthma In Acute Exacerbation

Submitted by: Angela Marie Ferrer
July 17, 2012
A condition of the lungs characterized by widespread narrowing of the airways due to spasm of the smooth muscle, edema of the mucosa, and the presence of mucus in the lumen of the bronchi and bronchioles. Bronchial asthma is a chronic relapsing inflammatory disorder with increased responsiveness of tracheobroncheal tree to various stimuli, resulting in paroxysmal contraction of bronchial airways which changes in severity over short periods of time, either spontaneously or under treatment. Causes

Allergy is the strongest predisposing factor for asthma. Chronic exposure to airway irritants or allergens can be seasonal such as grass, tree and weed pollens or perennial under this are the molds, dust and roaches. Common triggers of asthma symptoms and exacerbations include air way irritants like air pollutant, cold, heat, weather changes, strong odors and perfumes. Other contributing factor would include exercise, stress or emotional upset, sinusitis with post nasal drip, medications and viral respiratory tract infections.

Most people who have asthma are sensitive to a variety of triggers. A person’s asthma changes depending on the environment activities, management practices and other factor.
Factors that can contribute to asthma or airway hyperreactivity may include any of the following: * Environmental allergens: House dust mites, animal allergens (especially cat and dog), cockroach allergens, and fungi are most commonly reported. * Viral respiratory tract infections

* Exercise; hyperventilation
* Gastroesophageal reflux disease
* Chronic sinusitis or rhinitis
* Aspirin or nonsteroidal anti-inflammatory drug (NSAID) hypersensitivity, sulfite sensitivity * Use of beta-adrenergic receptor blockers (including ophthalmic preparations) * Obesity: Based on a prospective cohort study of 86,000 patients, those with an elevated body mass index are more likely to have asthma. * Environmental pollutants, tobacco smoke

* Occupational exposure
* Irritants (eg, household sprays, paint fumes)
* Various high and low molecular weight compounds:
* A variety of high and low molecular weight compounds are associated with the development of occupational asthma, such as insects, plants, latex, gums, diisocyanates, anhydrides, wood dust * Emotional factors or stress

* Perinatal factors: Prematurity and increased maternal age increase the risk for asthma * Breastfeeding has not been definitely shown to be protective. * Both maternal smoking and prenatal exposure to tobacco smoke also increase the risk of developing asthma Clinical Manifestation

The three most common symptoms of asthma are cough, dyspnea, and wheezing. In some instances cough may be the only symptoms. An asthma attack often occurs at night or early in the morning, possibly because circadian variations that influence airway receptors thresholds.

An asthma exacerbation may begin abruptly but most frequently is preceded by increasing symptoms over the previous few days. There is cough, with or without mucus production. At times the mucus is so tightly wedged in the narrow airway that the patient cannot cough it up. Prevention

Patient with recurrent asthma should undergo test to identify the substance that participate the symptoms. Patients are instructed to avoid the causative agents whenever possible. Knowledge is the key to quality asthma care. Medical Management

There are two general process of asthma medication: quick relief medication for immediate treatment of asthma symptoms and exacerbations and long acting medication to achieve and maintain...
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