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Is Potassium 5.6 Serious with Kidney Failure

Questions: I am a patient with kidney failure. Recently, I took a blood test in hospital and the blood test shows that the serum potassium is 5.6mmol/L. Is potassium 5.6 serious with kidney failure?

Answers: Potassium is an important mineral in our body. But high level of potassium in blood is dangerous. When the potassium is above 5.5mmol/l, we call it high serum potassium level. So as to your condition, potassium 5.6 have already surpassed the normal level. High potassium level in blood is the main cause of sudden death. It can affect the function of heart and bone. High potassium level has an inhibiting effect on myocardial cell, featuring as slow heart rate, arrhythmia or sudden cardiac arrest to the serious condition.

You may suffer from limb weakness and sluggishness. This reaction is also a result of high level potassium level.

Kidneys in kidney failure cannot remove extra potassium, which will lead to high potassium level. Do you take some medicine now? The potassium in your body may also derives from these medicines, which contain rich potassium.

The food you take is also a resource of potassium. So in your daily life, you should avoid high potassium food, such as banana, orange, potato, spinach, eggplant, kelp, etc.

Since you have kidney failure, high potassium level is more serious to your condition. Therefore, you should work with your doctor to control potassium level. Do you have other questions? Send me back to, I am glad to help you!

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