Define bacteremia and distinguish it from related conditions such as sepsis and septicemia. Identify common pathogens and risk factors associated with bacteremia in various patient populations. Describe the clinical features and presentations of bacteremia, including subtle and severe manifestations. Outline the diagnostic approach, with emphasis on proper blood culture collection and interpretation. Discuss evidence-based management strategies, including empiric and targeted antibiotic therapy. Recognize potential complications of bacteremia, such as endocarditis, sepsis, and metastatic infections. Highlight preventive measures to reduce the incidence of healthcare-associated bacteremia, especially in catheter-related settings.