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Pre test Information : No Special Preparation Needed
A potassium blood test determines how much potassium is in your blood. Electrolytes include potassium. Electrolytes are electrically charged minerals that help regulate fluid levels and the acid-base balance (pH balance) in your body. They also help to control muscle and nerve activity, among other things.
Potassium is required for the proper functioning of your cells, nerves, heart, and muscles. Potassium levels that are too high or too low may indicate a medical issue.
Other names for potassium serum include serum potassium, serum electrolytes, and K.
What is its purpose?
A potassium blood test determines the amount of potassium in your blood. The test is frequently performed as part of an electrolyte panel, which is a group of routine blood tests. It can be used to monitor or diagnose conditions associated with elevated potassium levels. Kidney disease, high blood pressure, and heart disease are examples of these conditions.
What is the purpose of a potassium blood test?
A potassium blood test may be ordered by your doctor as part of a routine checkup or to monitor an existing condition such as diabetes, kidney disease, or adrenal gland disorders. This test may also be required if you are taking medications that may affect your potassium levels or if you have symptoms of having too much or too little potassium.
If your potassium levels are too high (hyperkalemia), you may experience the following symptoms:
- Arrhythmia (a problem with the rate or rhythm of your heartbeat)
- Fatigue
- Muscle fatigue
- Nausea
- Tingling or numbness
If your potassium levels are too low (hypokalemia), you may experience the following symptoms:
- Heartbeat irregularity
- Cramps in the muscles
- Muscle twitching or weakness
- Fatigue
- Nausea
- Constipation
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