ackground. Rheumatic Heart Diseases (RHD) is a heart disease caused by unfinished symptoms (seguele) from Rheumatic Fever (RF), which is marked by the occurence of heart valve defects. The incidence and prevalence of RF and RHD in developing countries is still high, ranging between 7,9 t o 12,6 per 1000 school children. Objective. The Research was aimed to know the prevalence of RHD in Pediatri…