*NURSING > HESI MED SURG > Lone Star College System - RNSG 2504 Cardiac HomeworkBKL Spring 2020 (All)
Lone Star College System - RNSG 2504 Cardiac HomeworkBKL Spring 2020
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Cardiac Homework SP2020 Management of Patients With Structural, Infectious, and Inflammatory Cardiac Disorders Watch the following video on heart valve disorders https://mendedhearts.org/video/under... standing-heart-valve-disease/ Structural, infectious, and inflammatory disorders of the heart present many challenges for the patient, family, and health care team. Problems with heart valves, cardiomyopathies, and infectious diseases of the heart alter cardiac output. Valvular Disorders Atrioventricular valves separate the atria from the ventricles and include the tricuspid valve, which separates the right atrium from the right ventricle, and the mitral valve, which separates the left atrium from the left ventricle. The tricuspid valve has three leaflets; the mitral valve has two Both valves have chordae tendineae that anchor valve leaflets to papillary muscles of the ventricles. Semilunar valves are located between the ventricles and their corresponding arteries. The pulmonic valve lies between the right ventricle and the pulmonary artery the aortic valve lies between the left ventricle and the aorta Figure 28-1 shows valves in the closed position. (Also refer to Fig. 25-1 in Chapter 25 to review the structure of a normal heart.) When any heart valve does not close or open properly, blood flow is affected. When valves do not close completely, blood flows backward through the valve, a condition called regurgitation When valves do not open completely, a condition called stenosis, blood flow through the valve is reduced. [Show More]
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