Chapter 13: Cardiac and Vascular Disease Manifestations

Cardiovascular pathology encompasses a diverse range of conditions affecting the heart and blood vessels, each requiring distinct diagnostic approaches and therapeutic interventions. Ischemic heart disease, including angina pectoris and acute coronary syndromes, results from inadequate myocardial perfusion due to atherosclerotic obstruction or thrombosis, necessitating rapid reperfusion strategies such as percutaneous coronary intervention or fibrinolytic therapy alongside pharmacologic management with antiplatelet agents, anticoagulants, and vasodilators. Valvular dysfunction—whether stenotic narrowing or regurgitant backflow—disrupts normal hemodynamics and may stem from rheumatic damage, degenerative changes, or infectious endocarditis, a serious bacterial or fungal infection requiring prolonged antimicrobial therapy. The cardiomyopathies represent primary myocardial diseases with distinct pathophysiology: dilated cardiomyopathy causes ventricular enlargement and systolic impairment, hypertrophic cardiomyopathy involves abnormal ventricular thickening with diastolic dysfunction and sudden death risk, and restrictive cardiomyopathy features ventricular stiffness limiting filling. Heart failure, whether systolic or diastolic in nature, reflects the heart's inability to maintain adequate cardiac output and requires management through neurohormonal inhibitors, diuretics, and in advanced cases, mechanical support devices. Dysrhythmias and conduction disturbances range from benign prolonged intervals to life-threatening ventricular rhythms, with atrial fibrillation being the most prevalent and requiring stroke prevention strategies based on individual risk stratification. Vascular disease encompasses pulmonary hypertension, arterial occlusive conditions affecting the carotid arteries and extremities with risk of ischemic complications, aortic aneurysm with rupture potential, and venous pathology including thromboembolism and chronic insufficiency. Nursing care integrates comprehensive assessment, evidence-based interventions, and therapeutic communication to optimize outcomes across the spectrum of cardiac and vascular disease.