Abstract
The chapter deals with symptoms of weight loss, according to its definition and the mechanism. The pathophysiology describes the type marasmus and kwashiorkor.
It describes the clinical picture by predominant type of malnutrition. Further diagnostic procedures through anemnestic, physical examination, including laboratory tests.
Differential diagnosis describes the difference between marasmus and kwashiorkor in metabolism in type and timing. Paramount importance in the treatment of malnutrition is based on nutritional support, which is possible through enteral or parenteral, each has its advantages and limits.