Hyperkalemia is often suspected when there is:. Hypokalemia low potassium has many of the same symptoms of hyperkalemia, including numbness and tingling, heart palpitations, and shortness of breath.
Arguably, the biggest difference is the development of muscle cramps and twitches, which is more common with hypokalemia. In the end, the only way to diagnose either condition is with blood and urine tests.
When the potassium level is too high or too low , it can interfere with electrical signaling and lead to arrhythmia irregular heartbeats or heart palpitations skipped beats.
Call if you experience signs of severe hyperkalemia, including:. Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. Merck Manual Professional Version. Viera AJ, Wouk N. Potassium Disorders: Hypokalemia and Hyperkalemia. Am Fam Physician. National Library of Medicine. Potassium Blood Test. American Heart Association. What Is Hyperkalemia High Potassium?
Clinical manifestations of hyperkalemia in adults. Cleveland Clinic. Hyperkalemia high potassium. Updated October 5, Hypokalemia low potassium. Updated March 12, Electrophysiology of hypokalemia and hyperkalemia. Circ: Arrhythmia Electrophysiol. Your Privacy Rights. To change or withdraw your consent choices for VerywellHealth. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page.
These choices will be signaled globally to our partners and will not affect browsing data. Potassium helps your nerves and muscles, including your heart, work the right way.
But too much potassium in your blood can be dangerous. It can cause serious heart problems. Many people have few, if any, symptoms. If symptoms do appear, they are usually mild and non-specific. You may feel some muscle weakness, numbness, tingling, nausea, or other unusual feelings. It usually develops slowly over many weeks or months and is often mild. It can recur. If hyperkalemia comes on suddenly and you have very high levels of potassium, you may feel heart palpitations, shortness of breath, chest pain, nausea, or vomiting.
Sudden or severe hyperkalemia is a life-threatening condition. It requires immediate medical care. A blood test can find the level of potassium in your blood. High potassium is usually found by chance during a routine blood test. Your healthcare provider will also give you a complete physical checkup. You will be asked about your medical history, your diet, and the medicines you take.
This will help find out what caused your hyperkalemia and plan your treatment. It is important that you tell your healthcare provider about all the medicines you take, even over-the-counter products such as herbals and other supplements.
For most people, the level of potassium in your blood should be between 3. Ask your healthcare provider what your potassium level is. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. A single copy of these materials may be reprinted for noncommercial personal use only.
This site complies with the HONcode standard for trustworthy health information: verify here. This content does not have an English version. This content does not have an Arabic version. See more conditions. Request Appointment. Symptoms High potassium hyperkalemia. Definition Causes When to see a doctor. Diagnosing Heart Failure. Treatment Options.
Tools and Resources. Heart Failure Personal Stories. What is hyperkalemia? You may be at risk for hyperkalemia because of: Chronic kidney disease Diabetes Congestive heart failure Medications that disrupt potassium balance, such as certain blood pressure lowering drugs Less common causes can include: Massive injury resulting in muscle damage Burns over large parts of the body High-volume blood transfusions HIV and certain other infections Alcoholism or heavy drug use that breaks down muscle fibers, releasing potassium In some cases, multiple factors may be involved or the cause is never clearly identified.
How is it diagnosed? Can it be prevented? These may include: asparagus, avocados, potatoes, tomatoes or tomato sauce, winter squash, pumpkin, cooked spinach oranges and orange juice, nectarines, kiwifruit, bananas, cantaloupe, honeydew, prunes and raisins or other dried fruit. If you are on a low-salt diet, avoid taking salt substitutes. How is hyperkalemia treated?
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