*Adapted from the National Dysphagia Diet: Standardization for Optimal Care. American Dietetic Association Â© 2002. Level 2 Dysphagia Mechanically Altered*. This diet consists of foods that are moist, soft-textured and easily formed into a bolus. All. foods on Level 1 are allowed. Meats and other select foods may be ground or minced into. small pieces no larger than Â¼â.
Causes. Rheumatic fever can occur after an infection of the throat with a bacterium called Streptococcus pyogenes, or group A streptococcus.Group A streptococcus infections of the throat cause strep throat or, less commonly, scarlet fever.heumatic fever can occur after an infection of the throat with a bacterium called Streptococcus pyogenes, or group A streptococcus.
Background. Infection with Streptococcus pyogenes, a beta-hemolytic bacterium that belongs to Lancefield serogroup A, also known as the group A streptococci (GAS), causes a wide variety of diseases in humans. pyogenes also has the potential to produce outbreaks of disease in younger children in daycare. Rheumatic fever is most frequently observed in the age group most susceptible to group A streptococcal infections (ie, children aged 5-15 y).