PNVN 1631 Exam#1 Cardio_ PNVN1631_ Medical - Surgical Nursing

what is hyperlipidemia high levels of lipids (fats) in the blood hyperlipidemia is a major cause of what ? atherosclerosis What is atherosclerosis? build up of fats, cholesterol, hardening of the arteries what puts you at high risk for atherosclerosis and coronary heart disease - low levels of HDL - high levels of LDL primary treatments for hyperlipidemia - weigh reduction - low choledterol & fat - exersice what is the action of bile acid binding resins bind bile acids to promote increased metabolism of cholesterol what drugs are bile binding resins - cholestyramine -colestipol -cocosevelam what are the actions of fibric acids lower triglyceride levels what drugs are fibric acids -gemfibrozil (lopid) -gnograte (tricor) What is a dysrhythmia Abnormal heart rhythm what causes dysrhythmias caused by the abnormal pacemaker cells or a blockage of the normal pathway. stress, ischemia, and heart failure can also cause irregular muscular contraction what are the 2 types of dysrhythmias and their defining characteristics SUPRAVENTRICULAR, develops above the bundle of his, atrial flutter and fibrillation, premature atrial contractions, sinus tachycardia and bradycardia VENTRICULAR, develops below the bundle of his, premature ventricular contractions, ventricular fibrillation, ventricular tachycardia class 1 dysrhythmia medications (does what) myocardial depressant that inhibits sodium ion movement class 1a dysrhythmia medications (does what) prolongs duration of electrical stimulation class 1b dysrhythmia medications (does what) shorten duration of electrical stimulation class 1c dysrhythmia medications (does what) potent myocardial depressants, slow conduction rate Class II dysrhythmia medication beta-adrenergic blocking agents - block catecholamine from SNS Class III dysrhythmia medications slow rate of electrical conduction class iv dysrhythmia medications block calcium iomn flow what are the 3 types of arterial dysrhythmias premature atrial complex atrial fibrillation atrial flutte