Endocarditis, BacterialEndocarditisAortic ValveEndocarditis, Subacute BacterialHeart Valve ProsthesisHeart Valve DiseasesStreptococcal InfectionsHeart ValvesStaphylococcal InfectionsViridans StreptococciStreptococcus sanguisProsthesis-Related InfectionsAnti-Bacterial AgentsGram-Positive Bacterial InfectionsEnterococcus faecalisQ FeverStreptococcus bovisMitral ValveStreptococcusStaphylococcus aureusTricuspid ValveAbscessCardiobacteriumEchocardiography, TransesophagealGentamicinsBartonella InfectionsVancomycinBartonella quintanaHeart Valve Prosthesis Implantation