The Subjective Global Assessment (SGA) is a tool used to recognize and document nutritional problems in patients. It includes a dietary and medical history, a functional assessment and a physical examination (Table 1.2) . Fiaccadori et al. validated the SGA system by both anthropometry and serum albumin measurements and predicted morbidity and mortality in patients with acute renal failure . An SGA (A) level is designated as a minimal change in food intake, a minimal change in body function and a steady body weight. An SGA (B) level consists of clear evidence of decreased food intake with some physiologic functional changes, but no significant change in body weight. An SGA (C) level consists of a significant decrease in body weight and food intake along with a reduction in physiologic function. Hasse et al. demonstrated that the SGA scoring system was able to accurately detect the nutritional status in liver transplant patients . There was a significant degree of intraobserver agreement with regards to the reported SGA scoring. Detsky et al. demonstrated that the SGA model could be easily taught to practitioners with good reproducibility from clinician to clinician .
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WHAT IT IS A three-phase plan that has been likened to the low-carbohydrate Atkins program because during the first two weeks, South Beach eliminates most carbs, including bread, pasta, potatoes, fruit and most dairy products. In PHASE 2, healthy carbs, including most fruits, whole grains and dairy products are gradually reintroduced, but processed carbs such as bagels, cookies, cornflakes, regular pasta and rice cakes remain on the list of foods to avoid or eat rarely.