Potassium is the most important inorganic cation with total body potassium stores of 50 to 55 mmol/kg. Ninety percent of the body’s potassium is intracellular, and only 1.4% is in the extracellular fluid.
Only when the intake and discharge of potassium are in dynamic equilibrium can the serum level remain in the normal range.
Hypokalemia is caused by inadequate intake or loss of potassium and can occur for many reasons.
Abdominal surgery is characterized by more tissues involved in, severe damage, much exudation in the surgical field, excessive loss of digestive fluid, and long fasting times, as well as an inhibition of gastrointestinal mortality after the surgery
Potassium is the most important inorganic cation with total body potassium stores of 50 to 55 mmol/kg. Ninety percent of the body’s potassium is intracellular, and only 1.4% is in the extracellular fluid. Only when the intake and discharge of potassium are in dynamic equilibrium can the serum level remain in the normal range. Hypokalemia is caused by inadequate intake or loss of potassium and can occur for many reasons. Abdominal surgery is characterized by more tissues involved in, severe damage, much exudation in the surgical field, excessive loss of digestive fluid, and long fasting times, as well as an inhibition of gastrointestinal mortality after the surgery
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