Chapter 21: Drugs for Hypertension

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Presentation transcript:

Chapter 21: Drugs for Hypertension DISCUSSION POINTS Chapter 21: Drugs for Hypertension Pharmacology for Nurses: A Pathophysiologic Approach, 1/e Michael Patrick Adams Dianne L. Josephson Leland Norman Holland, Jr. Copyright ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

Failure to control Hypertension - damages small blood vessels, leading to accelerated narrowing of arteries, resulting in angina, myocardial infarction, and peripheral vascular disease - heart failure - transient ischemic attacks (continued) Pharmacology for Nurses: A Pathophysiologic Approach, 1/e Michael Patrick Adams Dianne L. Josephson Leland Norman Holland, Jr. Copyright ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

Failure to control Hypertension - cerebral vascular accidents or strokes - renal damage - retinal damage Pharmacology for Nurses: A Pathophysiologic Approach, 1/e Michael Patrick Adams Dianne L. Josephson Leland Norman Holland, Jr. Copyright ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

Three Primary Factors for Blood Pressure - cardiac output - peripheral resistance - blood volume Pharmacology for Nurses: A Pathophysiologic Approach, 1/e Michael Patrick Adams Dianne L. Josephson Leland Norman Holland, Jr. Copyright ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

Normal Regulation of Blood Pressure - vasomotor center - baroreceptors - chemoreceptors - emotions and hormones Pharmacology for Nurses: A Pathophysiologic Approach, 1/e Michael Patrick Adams Dianne L. Josephson Leland Norman Holland, Jr. Copyright ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

Five Primary Classes of Drugs Used to Treat Hypertension - Diuretics - Calcium channel blockers - Agents blocking the renin-angiotensin pathway - Adrenergic agents - Direct-acting vasodilators Pharmacology for Nurses: A Pathophysiologic Approach, 1/e Michael Patrick Adams Dianne L. Josephson Leland Norman Holland, Jr. Copyright ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.