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Asthma - Medical Animation
 
This animation may only be used in support of a single legal proceeding and for no other purpose. Read our License Agreement for details. To license this animation for other purposes, click here.

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Asthma - Medical Animation
MEDICAL ANIMATION TRANSCRIPT: Asthma is a chronic inflammatory disease that obstructs airflow in and out of the bronchial tubes. Normally, as the diaphragm contracts and relaxes, air moves freely in and out of the trachea and bronchi to the bronchioles and then to the alveoli where gas exchange takes place. During this process, carbon dioxide will diffuse out of the bloodstream into the alveolus while oxygen will diffuse from the alveolus into the bloodstream. Smooth muscle in the bronchial walls is controlled by the autonomic nervous system. Sympathetic stimulation relaxes smooth muscle and produces bronchodilation when the air is warm, moist, and free of irritants. Parasympathetic stimulation contracts smooth muscle and produces bronchoconstriction when the air is cold, dry, or contains irritants. People with asthma have chronically inflamed and swollen airways that are hyperreactive to irritants that can trigger an asthma attack. Asthma triggers include outdoor irritants and allergens such as pollen, smoke, pollution, and cold weather, indoor irritants and allergens such as mold, pet dander, dust mites, and cockroach droppings, food allergens such as fish, shellfish, eggs, peanuts, and soy, physiological conditions such as respiratory infections, stress and strong emotions, and exercise. During an asthma attack, these triggers can induce mast cells and leukocytes to release chemical substances such as histamine, kinins, prostaglandins, and leukotrienes. These substances are chemical mediators of inflammation that can precipitate a bronchospasm. Suddenly, the brochial smooth muscle tightens, and the bronchial wall becomes more swollen. Goblet cells in the mucosa produce thicker mucus further obstructing the airway. This combination of factors slows normal gas exchange. The symptoms of a broncospasm include coughing, wheezing, shortness of breath, and chest tightness. Medicines that treat asthma affect the inflammation of the airway wall, the constriction of the bronchial muscles, or mucus secretion. The most important asthma medications are long-acting anti-inflammatory drugs such as corticosteroids, leukotriene inhibitors, and cromolyn sodium. These drugs keep asthma under control by preventing or reducing inflammation of the bronchial wall. This makes the airways less sensitive to broncospasm triggers. Regular use of maintenance medications makes it less likely that an astma flare-up will take place. Broncodilators are either quick relief rescue medications such as short-acting beta agonists or long acting maintenance medications such as theophylline and anticholinergics. These drugs cause the bronchial smooth muscle to relax quickly or gradually over a longer period of time. Regular use of long-acting maintenance medication is critical in keeping your airways open and less inflamed. This reduces the likelihood of asthma flare-ups. When flare-ups do happen, it is important for patients to work with their licensed healthcare professional to develop an action plan for the correct use of short acting rescue medication. Rescue medication opens airways quickly providing symptom relief within minutes. [music]

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What attorneys say about MLA and The Doe Report:
"We are extremely pleased with the quality of the medical exhibits and the timely manner in which they were provided. I will certainly recommend your company to my business associates who could benefit from your services. Please tell Brian Wilson [Director of Content Development, Senior Medical Illustrator] that he did an exceptional job on these exhibits."

K. Henderson
Dunaway and Associates
Anderson, SC

"The illustrations have consistently been well documented, accurate and timely. Most important though is that the illustrations demonstrate to juries and claims people the persuasive power of visual communication. Our firm has achieved multiple eight figure settlements and verdicts over the past ten years... Medical Legal Art has been there with us on every case."

Thomas C. Jones
Davis, Bethune & Jones, L.L.C.
Kansas City, MO
www.dbjlaw.net

"It is with great enthusiasm that I recommend Medical Legal Art. We have used their services for three years and always found their professionalism, quality of work, and timely attention to detail to exceed our expectations. We recently settled two complicated catastrophic injury cases. One medical malpractice case involving a spinal abscess settled for 3.75 million and the other involving injuries related to a motor vehicle accident settled for 6.9 million. We consider the artwork provided by MLA to have been invaluable in helping us to successfully conclude these cases.

I highly recommend MLA to anyone seeking high quality, detailed medical legal artwork."

E. Marcus Davis, Esq.
Davis Zipperman, Krischenbaum & Lotito
Atlanta, GA
www.emarcusdavis.com

"This past year, your company prepared three medical illustrations for our cases; two in which we received six figure awards; one in which we received a substantial seven figure award. I believe in large part, the amounts obtained were due to the vivid illustrations of my clients' injuries and the impact on the finder of fact."

Donald W. Marcari
Marcari Russotto & Spencer, P.C.
Chesapeake, VA












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