PPT-Adrenergic Drugs ( Sympathomimetics

Dr Nirbhay Kumar Asstt Professor amp Head Deptt of Veterinary Pharmacology amp Toxicology Bihar Veterinary College Bihar Animal Sciences University Patna These are drugs which mimic the effects of sympathetic stimulation or those of . Pharmacology 49.222. Bill Diehl-Jones RN, PhD. Faculty of Nursing and Department of Zoology. Agenda. A Zen Review. Overview of CNS and ANS. Neurotransmitters and 2. nd. Messengers. Cholinergic Agonists and Antagonists. ADRENERGIC RECEPTORS. . . α. 1. . α. 2. -Postsynaptic . Presyn. . (periphery). - Sm. M of peripheral B.V. - ↓ NT release . Def: The ANS consists of all visceral motor neurons innervating smooth muscle, cardiac muscle and glands.. Divide Autonomic Pharmacology into Four Categories:. 1. Drugs that increase the sympathetic nervous system response . By Linda Self. NUR 3703. Divisions of human nervous system. Nervous system. Sympathomimetic or adrenergic in sympathetic nervous system—neurotransmitters are ____________. Parasympathomimetic or cholinergic are used to describe parasympathetic system—neurotransmitter is _____________. OBJECTIVES. 1. Know anatomical organization of ANS.. 2. Discuss the synthesis, storage, release,. actions and degradation of . adrenergic . 3. Explain . adrenergic. transmission. 4. Discuss . Classify adrenergic antagonists . Describe actions, therapeutic uses & adverse effects of adrenergic antagonist.. b. Discuss the role of autonomic drugs in central nervous system disorders. c. Enlist drugs used in glaucoma. Nervous System. Part 2. . Thomas E. Tenner, Jr., Ph.D.. Dept. of Medical Education. Dept. Pharmacology & Neuroscience. tom.tenner@ttuhsc.edu. 743-7169. 1. Recommended Background Reading :.  . Chapters 7, 8, 9, and 10 . Adrenergic . Agents. Assist . Prof . Karima F. Ali. AL-Mustansiriyah university. College of pharmacy. Adrenergic drugs. . exert their principal pharmacological . and therapeutic . effects by either enhancing or reducing . Dr.. . Nirbhay. Kumar. Asstt. . Professor & Head. Deptt. . of Veterinary Pharmacology & Toxicology. Bihar Veterinary College, Bihar Animal Sciences University, Patna. The . impulse transmission that is mediated by norepinephrine (post-ganglionic sympathetic nerve terminals and CNS), dopamine (CNS) and epinephrine (adrenal medulla) is in general called as adrenergic transmission. All these transmitters are also called as . Sympatholytics. ). Dr.. . Nirbhay. Kumar. Asstt. . Professor & Head. Deptt. . of Veterinary Pharmacology & Toxicology. Bihar Veterinary College, Bihar Animal Sciences University, Patna. These . sami. Cardiac Output (CO). CO =HR X stroke volume (SV). SV: is the amount of blood ejected from the ventricles with each beat – average is . approx. 70mls. SV is affected by . preload. , . contractility. . Dr. . Zahraa. M. . Ayad. Al-. mustaqbal. . University College. Department of . Nursing . 2. nd. Class. . Pharmacology /2. nd. semester. Adrenergic drugs (Sympathomimetic). Adrenergic drugs stimulate adrenergic receptors, thereby activating the sympathetic nervous system and inducing symptoms characteristic of the fight-or-flight response (sympathetic stimulation).. Objectives. Discuss the pharmacology of . catecholamines. Classify & describe adrenergic α-agonists including actions, therapeutic uses & adverse. reactions.. Classify & describe adrenergic β-agonists including actions, therapeutic uses & adverse. . Symaptholytics. Sensitivity of receptors. Two Families:. Alpha and Beta. Based on affinity to adrenergic agonists. Alpha affinity:. epinephrine. ≥norepinephrine. >> . isoproteranol. Beta affinity:.