Potassium Test: When Should It Be Repeated?
If your doctor suspects inaccuracies in your test result, they may recommend that you go for a repeat blood test.
To monitor certain health conditions, the doctor may advise repeating the K+ test at regular intervals.
Procedure
A medical practitioner selects a vein, usually on the back of your hand or inside of your elbow, to draw blood with an injection. They will collect the blood in th vial and send it to the laboratory for testing under a microscope. The chosen part of the limb is wrapped tightly with a band and antiseptic is spread across the area to clean it. After blood collection, the healthcare practitioner will remove the needle and the wrap. The needle insertion area is then covered with a small bandage. It usually takes a few minutes to generate the K+ blood test results.
There may be some side effects of the blood tests or extraction in general, though they are rare. Some of these risks are:
- Lightheadedness
- Bruising
- Bleeding
- Fainting
- Skin infection, in extreme cases, when the skin is broken
Learn more about Kidney Disease here.
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