Chapter 23, Problem 1CTPQ

Summary Introduction

To answer:

The priority action of the nurse for Mrs. A, who is shoveling snow from morning by siting on the doorway and saying that she forgot how to take nitroglycerin tablets.

Concept introduction:

The heart is the unique organ that pumps oxygenated and receives deoxygenated blood from other organs. Various malfunctions damage the heart like low oxygen level causes angina pectoris, damage of heart cells leads to ischemia later to ischemic heart disease, deposits of fatty materials in the artery leads to Coronary Heart Disease (CAD), and acute CAD leads to heart attack. The angina pectoris is classified into three classical types of chest pain. They are chronic stable angina, unstable angina, and vasospastic angina. The nitrates and nitrites, Calcium Channel Blockers (CCBs), and the beta blockers are the classical three classes of drug used as anti-anginal drugs.