rheumatic_fever has definitions from the field of medicine
[ noun ] (medicine) a severe disease chiefly of children and characterized by painful inflammation of the joints and frequently damage to the heart valves

Used in print

(Irving Fineman, Woman of Valor: The Life of Henrietta...)

Sadie , like Beth_March , suffered ill_health - got rheumatic_fever and had to be careful of her heart - but that never dampened her spirits .