Final answer:
High risk cardiac conditions for Abx PPx include infective endocarditis, acute pericarditis, and prosthetic-valve endocarditis caused by bacteria like Staphylococcus spp. and Streptococcus spp.
Step-by-step explanation:
High risk cardiac conditions that are considered for Antibiotic Prophylaxis (Abx PPx) include infective endocarditis, acute pericarditis, and prosthetic-valve endocarditis. These conditions can be caused by bacteria such as Staphylococcus spp. and Streptococcus spp. Infections associated with these conditions are often treated with specific combinations of antibiotics to target the causative pathogens.