Infective Endocarditis . Is due to microbial infection of a heart valve, the lining of cardiac chamber or blood vessel, or a congenital anomaly (septal defect). The causative agent is usually abacterium, but may be any organisms. . Pathophysiology .
Post operative endocarditis : any un explained fever in a patient who has had heart valve surgery should be investigated for possible endocarditis.
The infection usually affect valve ring & may resemble sub acute or acute endocarditis, depending on virulence of the organism. Morbidity and mortality is high and redo surgery usually required.