Dental Management of the Medically Compromised Patient | 109 Questions and Answers with complete solution

List the flow of the cardiac circulation starting at the superior vena cava: - Superior vena cava, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery, lungs, pulmonary vein, left atrium, mitral valve, left ventricle, aortic valve, aorta, systemic circulation, superior vena cava Microbial infection of the endothelial surface of the heart or heart valves that most often occurs in proximity to congenital or acquired cardiac defects - Infective endocarditis Old classifications of IE - Acute and subacute (3) new classification categories of IE - Causative microorganism, type of valve, source of infection Two potential causative organisms of IE - Streptococcal, candidal Two potential valves impacted by IE - Native valve, prosthetic valuve Two potential sources of IE infection - Community/hospital, IV drug use Most common cause of community-acquired NVE (and 30-65% of IE cases) - Viridans Streptococci (alpha-hemolytic streptococci) (4) Strep strains found in IE - Sanguis, oralis, salivarius, mutans (3) Classic findings in IE - Fever, heart murmur, positive blood culture