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www.healthline.com/health/high-potassium-hyperkalemia

But high potassium levels can lead to health problems. We’ll explain the causes of high potassium, such as certain medications or kidney failure, and symptoms to watch for. Plus, learn treatment ...

www.mayoclinic.org/symptoms/hyperkalemia/basics/causes/sym...

Instead, it may be caused by the rupture of blood cells in the blood sample during or shortly after the blood draw. The ruptured cells leak their potassium into the sample. This falsely raises the amount of potassium in the blood sample, even though the potassium level in your body is actually normal.

medlineplus.gov/ency/article/001179.htm

High potassium level is a problem in which the amount of potassium in the blood is higher than normal. The medical name of this condition is hyperkalemia.

www.medicinenet.com/hyperkalemia/article.htm

Hyperkalemia or high blood potassium is a condition caused by abnormally high levels of potassium in the blood. Symptoms of hyperkalemia include nausea, muscle weakness, and tingling sensations. Medications and certain medical conditions cause hyperkalemia, which can then cause kidney failure, cardiac arrest, or death.

www.webmd.com/a-to-z-guides/potassium-blood-test

Kidney disease is a common cause of a high potassium level. Either high or low potassium levels can cause heart problems. Low potassium can cause muscle cramps. You often have a blood test with ...

www.reference.com/health/causes-elevated-potassium-levels...

What Causes Elevated Potassium Levels in the Blood? Kidney disease is the primary cause of elevated potassium levels, making the kidneys unable to filter extra potassium from the blood, notes WebMD. Other causes include alcoholism, adrenal failure, excessive use of potassium supplements and a severe injury, which can destroy the red blood cells ...

en.wikipedia.org/wiki/Hyperkalemia

Hyperkalemia, also spelled hyperkalaemia, is an elevated level of potassium (K +) in the blood serum. Normal potassium levels are between 3.5 and 5.0 mmol/L (3.5 and 5.0 mEq/L) with levels above 5.5 mmol/L defined as hyperkalemia. Typically this results in no symptoms. Occasionally when severe it results in palpitations, muscle pain, muscle weakness, or numbness.

www.emedicinehealth.com/hyperkalemia/article_em.htm

Hyperkalemia is diagnosed by a blood test that measures the potassium level in the blood. Other tests, such as an EKG, may be ordered to look for signs of hyperkalemia if it is suspected. Further testing may be needed to determine the cause of the hyperkalemia.

www.kidney.org/content/six-steps-control-high-potassium

This means that potassium can build up in your blood to harmful levels. Eat a diet high in potassium. Eating too much food that is high in potassium can also cause hyperkalemia, especially in people with advanced kidney disease. Foods such as melons, orange juice, and bananas are high in potassium.

healthhearty.com/what-causes-high-potassium-levels

Other Causes: As the question 'what causes high potassium levels in blood' is haunting you, here are some more causes of elevated levels of blood potassium. Internal bleeding, destruction of tumor cells or red blood cells, chemotherapy for leukemia, lymphoma, or multiple myeloma, excessive intake of salt substitutes which contain potassium ...