Download Case Files: Pharmacology (Lange Case Files), 2nd edition by Eugene C. Toy, Gary C. Rosenfeld, David S. Loose, Donald PDF

By Eugene C. Toy, Gary C. Rosenfeld, David S. Loose, Donald Briscoe

Actual lifestyles medical circumstances for the elemental Sciences and USMLE Step 1 you wish publicity to scientific situations to cross direction assessments and ace the USMLE Step 1. Case records: Pharmacology offers fifty three real-life scientific circumstances that illustrate crucial innovations in pharmacology. each one case comprises an easy-to-understand dialogue correlated to key uncomplicated technology techniques, definitions of key phrases, pharmacology pearls, and USMLE-style assessment questions. With this interactive method, you will study rather than memorize. This moment variation grants: fifty three medical instances, each one with USMLE-style questions medical pearls that spotlight key techniques Primer on the best way to procedure scientific difficulties confirmed studying method that improves your shelf examination rankings

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Additional info for Case Files: Pharmacology (Lange Case Files), 2nd edition

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APPROACH TO MUSCARINIC CHOLINORECEPTOR ANTAGONISTS Objectives 1. 2. 3. 4. Describe the mechanism of action of muscarinic cholinoreceptor antagonists. Describe the physiologic effects of muscarinic cholinoreceptor antagonists. List important therapeutic uses of muscarinic cholinoreceptor antagonists. List the adverse effects and contraindications for muscarinic cholinoreceptor antagonists. Definitions Chronic obstructive pulmonary disease [COPD]: Progressive, inflammatory lung conditions, including both chronic bronchitis and emphysema, which result in airway obstruction that is not fully reversible.

2] D. Metaraminol and methoxamine are not substrates for either COMT or MAO and have a longer duration of action than norepinephrine, which is a substrate for both. 3] A. α-Adrenoceptor sympathomimetic agents will cause vasoconstriction and thereby reduce mucous membrane congestion. PHARMACOLOGY PEARLS ❖ ❖ ❖ ❖ β1-Selective sympathomimetic agents may increase cardiac output with minimal reflex tachycardia. α2-Selective agents decrease blood pressure by a prejunctional action in the CNS. Terbutaline and albuterol are preferred over ephedrine for relieving the bronchoconstriction of asthma, and other bronchial conditions, because of their greater bronchiolar selectivity.

The major adverse effects of nonselective b-adrenoceptor antagonists are related to their effects on bronchial smooth muscle and on carbohydrate metabolism. Blockade of b2-receptors in smooth muscle may increase airway resistance in patients with asthma or other airway obstruction diseases. Although the clinical use of a selective β1-adrenoceptor antagonist may offer some protection in patients with asthma, the selectivity of these agents is not great, and therefore they should be used judiciously, if at all.

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