Reviewed: 16. April 2026
K Potassium
Unit: mmol/l
Quick Explanation
Potassium (K) is an electrolyte that regulates heart rhythm, muscles, and nerves. Low levels can cause heart arrhythmias and muscle weakness; high levels are also dangerous. Significant deviations should be discussed with your doctor promptly.
📊 Reference Values
ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.
🔍 Possible Causes
Value too high — possible causes
- ·Kidney disease
- ·ACE inhibitors or potassium-sparing diuretics
- ·Excessive potassium intake
- ·Acidosis
Value too low — possible causes
- ·Vomiting / diarrhea
- ·Diuretics
- ·Magnesium deficiency
- ·Inadequate intake
This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.
🩺 Questions for Your Doctor
- →Is there a risk of heart arrhythmia?
- →Do I need to adjust my potassium intake through diet?
- →Should a medication be changed?
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Medical Disclaimer
The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.