Sympathomimetic Bronchodilators: Actions and Uses. Pharmacology is a medical science that forms a backbone of the medical profession as drugs form the corner stone of therapy in human diseases. Bronchodilators are drugs that open up (dilate) the breathing passages by relaxing the bronchial smooth muscle. Original PPT modified by: Anita A. Kovalsky, R.N., M.N.Ed.. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Bronchodilators … Therefore, it is of utmost importance to describe the pharmacological basis of therapeutics in order to maximize the benefits and In asthma and COPD, bronchoconstriction and mucus secretion are increased and the airways become hyperresponsive to contractile agents. 18 They are the mainstay of the current management of chronic obstructive pulmonary disease (COPD) and are critical in the symptomatic management of asthma, although controversies around the use of these drugs remain. Actions: open the bronchi and allow more air to enter the lungs, which in turn completely or partially relieves respiratory distress. Professor of Nursing. Bronchodilators are central in the treatment of of airways disorders. Expectorants are drugs that liquefy the lower respiratory tract secretions. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. They are used for the symptomatic relief of respiratory conditions characterized by a dry, nonproductive cough.. Mucolytics work to break down mucus to aid high-risk respiratory patients in coughing up thick, tenacious secretions.. The cholinergic blocking drug ipratropium bromide (Atrovent) is used for bronchospasm associated with COPD, chronic bronchitis, and emphysema in emergent situations. … View Test Prep - Cardio4e_PPT_005_Final.pptx from RESC 3731 at Youngstown State University. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. Bronchodilators (Contd) Xanthine Derivatives Main xanthine used clinically is theophylline Theophylline is a bronchodilator which relaxes smooth muscle of the bronchi, it is used for reversible airway obstruction One proposed mechanism of action is that it acts by inhibiting phosphodiesterase, thereby increasing cAMP, leading to bronchodialtion. Bronchodilators Lilley Pharmacology Text: Chapter 35. Winner of the Standing Ovation Award for “Best PowerPoint Templates” from Presentations Magazine. Start studying PHARMACOLOGY: ANTICHOLINERGIC BRONCHODILATORS. Bronchodilators are the mainstay therapy in COPD, as they increase expiratory flow by decreasing airway smooth muscle tone, thus leading to enhanced lung emptying. They make breathing easier for people with asthma or other lung conditions.. 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