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Overview

The Potassium test checks the amount of potassium in the blood.

What is Potassium test?

It is necessary to regularly check for the levels of Potassium in the body. Potassium is an electrolyte which plays an important role in many bodily functions [1].

Potassium plays a key role in the body and helps control nerve and muscle activity while maintaining bodily hydration levels and regulates heart activity. A higher or lower level of potassium in the body can be the signal for a medical complication. [1]

The Potassium test is absolutely necessary to diagnose certain conditions related to high or low Potassium levels like Kidney disease, Heart disease, and high blood pressure.

Why is Potassium test suggested?

A potassium test may be ordered by the physician for the following reasons [1]

  • For a regular health checkup.
  • For monitoring the advance or diagnosing certain conditions like diabetes and kidney disorders.
  • If the patient displays symptoms of higher or lower levels of potassium than normal.
  • If the patient is using Diuretics. [2]

How is Potassium test performed?

A Potassium test is performed in the following way-

  • A lab technician will tighten a band around the subject’s arm.
  • The technician sticks a needle into the vein.
  • The needle is attached to a tube which collects the sample.

The results of Potassium test can be expected within a day or two.

What are the parameters measured in Potassium test?

The parameter measured in a Potassium test is the amount of blood Potassium present in the test subject. The normal level of Potassium in the blood ranges from 3.6 to 5.2 millimoles per liter. [3]

Preparation for Potassium test

No specific preparation procedure is followed for the Potassium test. However, clenching the fist repeatedly while delivering the sample may increase the level of blood Potassium, leading to incorrect results.

Post care after Potassium Test

No specific post-care is required after a Potassium test.

Sample types in Potassium test

The Potassium test is universal and can be taken by everyone. A blood sample is drawn on the test.

Side effects of Potassium test

There are no side effects of Potassium test.

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