What can cause falsely elevated potassium?

Pseudohyperkalemia from in vitro hemolysis is the most common cause of falsely elevated potassium, and it is most often caused by pressure gradients created during draws, often with a syringe or from an indwelling catheter.

Can potassium test results be wrong?

False results of a potassium test can occur during the collection and processing of the blood sample. For example, your potassium levels may rise if you relax and clench your fist while blood is being collected.

What causes changes in potassium levels?

Advanced kidney disease is a common cause of hyperkalemia. 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 cantaloupe, honeydew melon, orange juice, and bananas are high in potassium.

What causes high potassium levels in elderly NHS?

What Causes High Potassium Levels in the Elderly?

• HIV and other particular infections.
• Massive injury that results in muscle damage.
• Alcoholism or heavy drug use that causes a breakdown in the muscle fibers which release potassium.
• Burns over a large portion of the body.
• High-volume blood transfusions.
• Dehydration.

What causes Hemolyzed potassium?

Hemolysis, the breakdown of erythrocyte (red-cell) membranes, can occur in vivo as a result of disease, or more commonly in vitro when it is most usually a consequence of poor blood collection or sample handling technique.

What causes low potassium levels?

A low potassium level has many causes but usually results from vomiting, diarrhea, adrenal gland disorders, or use of diuretics. A low potassium level can make muscles feel weak, cramp, twitch, or even become paralyzed, and abnormal heart rhythms may develop.

What causes low potassium levels in the elderly?

What Causes Low Potassium in Elderly Adults? Malnutrition and dehydration. Eating unhealthy foods, or not eating at all, can deplete your body of vitamins and minerals. Lack of hydration can also lead to a loss of potassium in cells.