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SUBMITTED DATE:Assignment for ASTHMASUBMITTED TO:Department of community medicineRangpur Madical CollegeSUBMITTED BY: MARIAM AKTER BATCH NO: 37 ROLL NO: 87 SEASON:2007/08Rangpur Madical College
AsthmaAsthma is a disease in which inflammation of the airways causes airflow intoand out of the lungs to be restricted. The muscles of the bronchial tree becometight and the lining of the air passages swells, reducing airflow and producingthe characteristic wheezing sound. This is known as an asthma attack, whichcan occur as an allergic reaction to an allergen or other substance (acuteasthma), or as a part of a complex disease cycle which may include reaction tostress or exercise (chronic asthma).AsthmaDefinition Asthma is an inflammatory disorder of the airways, which causes attacks of wheezing, shortness of breath, chest tightness, and coughing. Asthma is very common among children, teens and adults. It is a disease that causes the airways of the lungs to tighten.An asthma attack is when our lungs aren’t getting enough air to breathe. Our child might be having an asthma attack if he or she has:Trouble breathing Wheezing Coughing Chest pain 2 | P a g e
Chest tightness Alternative Names Bronchial asthma; Exercise-induced asthma Causes:What causes Asthma Attacks?Things that cause asthma attacks are called triggers.Triggers are everywhere.Any home can be full of triggers like mold, dust mitessecondhand smoke, cockroaches, catsand dogs.Other asthma triggers may be air pollution (such as ozone, small particles, and pollen), foods, respiratory infections and exercise.Asthma cannot be cured. But, with the help of a doctor and an asthma action plan, we can make 3 | P a g e
sure our child stays active and healthAsthma is caused by inflammation in the airways. When an asthma attack occurs, the musclessurrounding the airways become tight and the lining of the air passages swell. This reduces theamount of air that can pass by, and can lead to wheezing sounds. Most people with asthma have wheezing attacks separated by symptom-free periods. Somepatients have long-term shortness of breath with episodes of increased shortness of breath. Inothers, a cough may be the main symptom. Asthma attacks can last minutes to days and canbecome dangerous if the airflow becomes severely restricted. In sensitive individuals, asthma symptoms can be triggered by breathing in allergy-causingsubstances (called allergens or triggers). Common asthma triggers include: Animals (pet hair or dander) Dust Changes in weather (most often cold weather) Chemicals in the air or in food Exercise Mold Pollen Respiratory infections, such as the common cold Strong emotions (stress) 4 | P a g e
Tobacco smokeAspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) provoke asthma in somepatients.