Potassium along with sodium, is one of the main electrolytes in the body,  important for many vital bio-chemical processes. Normal level of potassium in blood is between 3.9 – 5.1 mmol/L. It’s main positively charged electrolyte (cation) inside the cell, while his level in out of cell liquids is significantly lower. With sodium the situation is inverse. Exactly that cooperation between potassium and sodium, in complex biochemical processes ensures many physiological functions, like transfer of nerve impulses, muscle contractions, blood pressure control. Potassium along with sodium works in regulation of water in the body, necessary for protein synthesis, insulin extraction from penkrias, carbohydrate metabolism, hormone releasing, embryonic development, cell dividing, regulation of acid base balance, etc.

Problems due to low amounts

There is enough potassium in food so in normal circumstances it’s rare to talk about potassium deficiency. But, there are situations and conditions when there can be a deficiency in the body. It usually happens to people active in sport activities and people under great physical stress, due to heavy sweating, than in cases of diarrhea and vomiting, during a therapy with various diuretics that drain potassium, during a time of long hunger and various illnesses.

First sign of potassium deficiency is overall tiredness and muscle weakness and muscle spasms. More serious potassium deficiency leads to imbalance of electrolytes in the body that affects all muscles and nerves. That often leads to irregular heart rhythm, blood pressure drop, overall body weakness, confusion, sleepiness, thirst and vomiting. For defining the relative amount of potassium in the body it requires a lab blood testing. It’s necessary in situations when there is suspicion that there is some problem with potassium deficiency and depending on the results of blood test, fixing the status of its amount in the body.

Best way to supplement potassium to the body is by consuming potassium rich food like bananas, grapes, tomatoes, beans, potatios, brocule, fish, chicken, dairy products. In certain situations potassium is supplemented by taking the pills with potassium or in severe cases with blood infusion.

Problems due to high amounts

Potassium is extracted from the body through kidneys, so in some situations when kidneys aren’t functioning properly it can lead to lower extraction of potassium and sign of hyperkalemia. High concentrations of potassium are usually amounts higher than 6 mmol/L. It can happen when excess usage of diuretics does not extract potassium from the body so it accumulates, also in case of diabetes. Most common symptoms are muscle weakness, shivering, chest pain, heart arrhythmia, and it’s even possible for a heart to stop. It’s necessary to find out the cause of hyperkalemia and go with therapy in conjunction with treating the main illness.

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