*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.
Prion diseases are a group of neurodegenerative diseases caused by prions, which are âproteinaceous infectious particles.â For some background, first see this introduction to prions. Prion diseases are caused by misfolded forms of the prion protein, also known as PrP.