Diagnostic feature of RHD is :
McCallam patch
Aschoff nodules
Shaggy vegetations
Bread butter pericarditis
Ans. is 'b' i.e. Aschoff nodules Aschoff nodules are focal inflammatory lesions found in any of the three Layers of the heart. They are characteristic of acute rheumatic fever.Aschoff nodules consist ofFibrinoid necrosis*Aschoff giant cells *Histiocytes*Plasma cells*Lymphocytes*Fibroblast*Collagen*
Cardiac and Pericardiac Imaging