Potassium
Potassium is a vital mineral and electrolyte that plays a key role in nerve function, muscle contractions, and maintaining a regular heartbeat. The Potassium Test measures the concentration of potassium in the blood, providing insights into various bodily functions and metabolic processes.
Test details
Sample type
Blood
Time of day
No specific time required
Fasting required
No
Results timeframe
Within 7 days
Preparation
No special preparation required
What's measured in this test
Potassium
Measures potassium for heart and muscle function.
Common reasons for testing
- Evaluating kidney function – Assesses how well the kidneys are maintaining potassium balance.
- Investigating heart problems – Checks for potassium imbalances that may affect heart rhythm.
- Monitoring medications – Tracks potassium levels in individuals taking diuretics or other medications that can alter electrolyte balance.
- Assessing symptoms – Evaluates unexplained muscle weakness, cramps, or irregular heartbeats