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What could cause my potassium in my blood test to be a level 8?

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Dr. Jack Rubin
Internal Medicine - Nephrology & Dialysis

In brief: Potassium of 8

Unless you are a dialysis patient, a potassium (k) of 8 would kill you by stopping your heart from pumping.
Most likely, you had a elevated k due to some leaking of k from the intracellular space during the drawing of blood from your vein. This is called "factitious hyperkalemia". Elevated k levels are also seen with increased platelets in your blood or some destruction of rbc's in the test tube.

In brief: Potassium of 8

Unless you are a dialysis patient, a potassium (k) of 8 would kill you by stopping your heart from pumping.
Most likely, you had a elevated k due to some leaking of k from the intracellular space during the drawing of blood from your vein. This is called "factitious hyperkalemia". Elevated k levels are also seen with increased platelets in your blood or some destruction of rbc's in the test tube.
Dr. Jack Rubin
Dr. Jack Rubin
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