Kidney Function Blood Test High Potassium. Small variations in ranges may be possible depending on the laboratory. Webmd medical reference reviewed by sabrina felson md on october 13 2019.
5 6 14 an ecg is a test that checks for problems with the electrical activity of the heart. When you have kidney disease your kidneys cannot remove extra potassium in the right way and too much potassium can stay in your blood. Potassium is a major nutrient that is important.
Patients who have already been diagnosed with kidney disease or other ailments may take potassium blood tests regularly.
A potassium level that is too high or too low is dangerous and can cause death. Potassium is a major nutrient that is important. Diagnosis includes assessment of kidney and heart function including blood tests and electrocardiogram ecg to determine whether the hyperkalemia requires immediate emergency treatment. Kidney function tests target either the blood or urine and measure different aspects of kidney function.