'Competitive antagonism' diaporamas de présentation

Pharmacology for Nursing

Pharmacology for Nursing. Munir Gharaibeh, MD, PhD, MHPE Department of Pharmacology School of Medicine The University of Jordan mgharaib@ju.edu.jo June 2019. Pharmacology.

391 views • 33 slides

Drug presentation 1 agonist/antagonist

Drug presentation 1 agonist/antagonist. Barry Barkinsky EMS-I, Paramedic. Receptor sites. Drugs either stimulate or inhibit the cells normal biochemical actions. Receptor sites. Point of attachment for hormones, viruses, chemicals. Agonist / antagonist. Lock and key analogy.

781 views • 20 slides

How drugs Act :General principles Lecture 2

Objectives/ Learning outcome :. How drugs Act :General principles Lecture 2. Define various targets of drug actions. Define receptor, types and examples. Describe agonist and antagonist and their characteristics. Mechanism of antagonism. Desensitization and Tachyphylaxis.

453 views • 19 slides

QUANTITATIVE ASPECTS OF DRUG ACTION

ilo s. By the end of this lecture you will be able to :. Recognize different dose response curves. Distinguish the therapeutic utility of each of these curves. Classify different types of antagonism. QUANTITATIVE ASPECTS OF DRUG ACTION. By Prof. Omnia Nayel

178 views • 17 slides

Drug-Receptor Interactions and Pharmacodynamics (cont.)

Drug-Receptor Interactions and Pharmacodynamics (cont.). Enzyme-linked receptors (Insulin Receptors). Dimers or multisubunits Lasts min to hrs Ex., epidermal growth factor(EGF), platelet-derived growth factor (PDGF), atrial natriuretic peptide (ANP), insulin & others.

379 views • 16 slides

DRUG RECEPTOR INTERACTIONS

890 views • 15 slides

DRUG ANTAGONISM

DRUG ANTAGONISM. DR. SHABANA ALI. DRUG ANTAGONISM. One drug or inhibits action of another drug Types of Antagonism Physical antagonism Chemical antagonism Physiological/functional antagonism Pharmacological antagonism. A) Physical Antagonism.

816 views • 11 slides

? -Adrenergic Blockers

? -Adrenergic Blockers. ? -Adrenergic blockers: Non-selective ? -blockers: ? -Haloalkylamine (Phenoxybenzamine) Imidazolines (Phentolamine & Tolazoline) Ergot alkaloids (e.g., Ergotamine) Selective ? 1 -blockers: Prazosin, terazosin, doxazosin & tamsulosin Selective ? 2 -blockers

373 views • 6 slides