The following are the symptoms of potassium deficiency in the body:

1. The neuromuscular system manifests itself as reduced nerve and muscle stress. When serum K+＜3.0mmol/L, there can be limb muscle weakness, and when it is lower than 2.5mmol/L, there can be flaccid paralysis, which is most prominent in limb muscles, and the tendon reflexes are sluggish or disappeared. When the respiratory muscles are involved, it can cause dyspnea.

2, digestive system, potassium deficiency can cause intestinal peristalsis, mild loss of appetite, nausea, constipation, severe hypokalemia can cause abdominal distension, paralytic intestinal obstruction.

3, cardiovascular system, low potassium is generally increased myocardial excitability, palpitations, arrhythmia. In severe cases, atrioventricular block, ventricular tachycardia and ventricular fibrillation may occur, and finally the heart stops in the systolic state. In addition, it can also cause myocardial hypotonia, cardiac enlargement, dilatation of the terminal blood vessels, and a drop in blood pressure.

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