NUR 631 - Week 11 Quiz Review

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NUR 631 - Week 11 Quiz Review INFECTIOUS ENDOCARDITIS – yellow tab 10, p 1173• Infection and inflammation of the endocardium, especially the cardiac valves •Bacterial – strep, staph, enterococ... ci• 3 elements – endocardial damage, blood-bourne pathogen adherence to the damaged endocardial surface, formation of infective endocardial vegetations• MANIFESTATIONS Acute, subacure, or chronic Causes varying degrees of valvular dysfunction Can have manifestations involving several organs Classic symptoms: fever, new or changed cardiac murmur, petechial lesions of the skin, conjunctivae, or oral mucosa Oslers nodes, janeway lesions EVALUATION/TREATMENT Evaluate for emboli Antimicrobial therapy VALVULAR FUNCTION – yellow tab 11, p 1086 One-way blood flow through the heart, maintain pressure gradients TRICUSPID VALVE Right AV valve Has 3 cusps MITRAL VALVE Left AV valve Cone-shaped funnel that extends into cusps OXYGENATED BLOOD FLOW – yellow tab 12, p 1088• Superior and inferior vena cava and the coronary sinus•Rt. atrium•Tricuspid valve (also called the rt. atrioventricular valve)•Rt. ventricle•Pulmonary semilunar valve•Pulmonary trunk• Right and left pulmonary arteries (only time there is deoxygenated blood in artery)•Lungs•Pulmonary veins (only time there is oxygenated blood in vein)•Lt. atrium•Bicuspid valve (also called the lt. atrioventricular valve or mitral valve)•Lt. ventricle•Aortic semilunar valve• Ascending aorta•Coronary arteries•Arch of aorta [Show More]

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