Nursing 220 Final Exam with Latest Questions and Answers

Nursing 220 Final Exam with Latest Questions and Answers myocardial ischemia ANSWER loss of blood supply to heart muscle tissue •Usually caused by blockage •Spasm (often cocaine) •Hypotension •Respiratory failure/hypoxia •Increased O2 demand of the heart (tachycardia, anemia, infection) angina pectoris ANSWER •O2 demand is greater than supply to myocardia, angina is the ischemic pain which results •temporary; myocardial cells don't die Stable Angina ANSWER -chest pain that occurs when a person is active or under severe stress •Relieved by rest and nitroglycerin unstable angina ANSWER chest pain that occurs while a person is at rest and not exerting himself Increasing in frequency, severity, duration, unpredictable myocardial infarction ANSWER complete blockage of a coronary artery prolonged ischemia leads to cell death, damage and tissue necrosis myocardial infarction symptoms ANSWER chest pain, dizziness, sweating, sob, n/v, pain radiation to neck, jaw, left shoulder, arm.