Refeeding syndrome is a syndrome consisting of metabolic disturbances that occur as a result of reinstitution of nutrition to patients who are starved, severely malnourished or metabolically stressed due to severe illness. When too much food and/or liquid nutrition supplement is consumed during the initial four to seven days of refeeding this triggers synthesis of glycogen, fat and protein in cells, to the detriment of serum concentrations of potassium, magnesium and phosphorus.[1][2] Cardiac, pulmonary and neurological symptoms can be signs of refeeding syndrome. The low serum minerals, if severe enough, can be fatal.