This picture shows severe stenosis in the centre of an aortic valve due to Rheumatic heart disease Rheumatic heart disease is a condition in which the heart valves have been permanently damaged by rheumatic fever. Rheumatic fever is an autoimmune inflammatory reaction to throat infection with group A streptococci (streptococcal pharyngitis or strep throat). The heart valve damage may start shortly after untreated or under-treated streptococcal infection such as strep throat or scarlet fever. https://www.instagram.com/p/CR1DBOwMduU/?utm_medium=copy_link