The common reason is insufficient intake, fasting, anorexia and consciousness disorder patients after a large amount of rehydration; followed by digestive tract diseases, intestinal infarction<br>After the operation of obstruction, liver, stomach and kidney, a large amount of digestive juice is lost; renal failure, respiratory or metabolic alkalosis, diuretics and hormones are used for a long time; hypokalemia can also appear in the course of antipsychotic drugs; a hypokalemia without cause can be seen clinically. Its clinical manifestations are not only related to the concentration of serum potassium, Moreover, it is closely related to the speed of the formation of hypokalemia, so although the patients with slow onset of disease are seriously hypokalemia, the clinical symptoms are not necessarily obvious; on the contrary<br>
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