A to Z Health Guide

Know Your Risk for High Potassium - Take the Quiz

Did you know that too much potassium can be dangerous, especially if you have kidney disease? Potassium is an important nutrient that helps keep your heart healthy and your muscles working right. But too much can lead to serious heart problems – even heart attack. Take this quiz to learn if you are at risk.

Do you have kidney disease or kidney failure?

Yes No I do not know

Having kidney disease or kidney failure can put you at risk for high potassium. Healthy kidneys control the amount of potassium in your blood. They balance the amount taken in with the amount lost in urine. If kidneys do not work well, they may not be able to remove extra potassium, which can build up and cause problems.

One of the jobs of your kidneys is to help keep the right amount of potassium in your body. Healthy kidneys will filter out the extra potassium, and remove it from your body through urine. However, when kidneys are not healthy, they may not be able to do this, which means potassium can build up in your blood to harmful levels.

Don't know if you have kidney disease? One in seven people have kidney disease – and most don't know it. Kidney disease can be found with two simple tests during a routine check-up. At your next checkup, ask your healthcare professional for a blood test to estimate your GFR (glomerular filtration rate), and a urine test called "ACR (urine-to-creatinine ratio)."