This updated edition addresses current prophylaxis guidelines, new diagnostic approaches for disease detection, proposed schemas for prognosis prediction, and novel treatment strategies aimed at improving outcomes for patients with this serious condition. Endocarditis presents a significant risk of morbidity and mortality, with in-hospital mortality rates remaining between 10-20%. Delays in diagnosis, often due to the disease's elusive nature and its ability to mimic other conditions, contribute to poor patient outcomes. Clinicians must remain vigilant for endocarditis as a potential cause of symptoms. Efforts are underway to develop molecular probes and advanced imaging techniques for earlier and more reliable identification. New therapeutic strategies are being studied to prevent complications and enhance survival.