Cardiovascular Disease - Bloody Good
Kidney Health

Potassium

The Potassium Blood Test measures potassium, a mineral and electrolyte that helps control muscle movement, nerve signals, and heart rhythm. Abnormal levels may suggest kidney problems, hormone imbalances, or issues with diet and medications.

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Potassium

Experiencing irregular heartbeat, muscle cramps, or weakness and want assessment of heart function and electrolyte balance for optimal health?

Overview

Think of potassium as your body's electrical conductor – it's the mineral that keeps your heart beating steadily, your muscles contracting properly, and your nerves communicating effectively throughout your body. The Potassium test measures this vital mineral in your blood to see if your body's electrical system is running smoothly, much like checking the battery levels in your car to ensure everything functions properly.

When your potassium levels are too high or too low, it's like having faulty wiring in your home – things can go haywire quickly. Low potassium might leave you feeling weak, crampy, or experiencing irregular heartbeats, while high levels can also cause dangerous heart rhythm problems. This test is especially valuable if you're taking certain medications like blood pressure pills or diuretics, have kidney or heart conditions, or are experiencing unexplained muscle weakness or heart palpitations, helping your healthcare provider keep your body's electrical system balanced and your heart beating strong.

Reviewed by Dr. Vu Tran
Bloody Good’s Chief Medical Officer

Symptoms

You may benefit from this test if you experience:
High blood pressure readings Muscle weakness in arms or legs Muscle cramps or spasms Feeling tired all the time Comprehensive metabolic panel

Purpose

Essential for individuals with heart rhythm issues, muscle symptoms, kidney disease, or anyone needing comprehensive cardiovascular and electrolyte assessment.

How to prepare

No special preparation required. Inform healthcare provider of all medications, particularly diuretics, blood pressure medications, and supplements that might affect potassium levels.

Understanding results

Results show potassium levels compared to normal ranges. Abnormal levels may indicate electrolyte imbalances, heart rhythm risks, kidney problems, or medication effects requiring appropriate treatment.

After the test

Address abnormal potassium through dietary modifications, medication adjustments, treatment of underlying kidney or heart conditions, and careful monitoring. Work with cardiologists or nephrologists as needed.

Frequently Asked Questions

  • Potassium is essential for heart rhythm, muscle contraction, nerve transmission, kidney function, and blood pressure regulation, particularly critical for cardiovascular health.
  • High potassium (hyperkalemia) can cause dangerous heart rhythm abnormalities and may indicate kidney problems, certain medications, or other conditions requiring immediate attention.
  • Low potassium (hypokalemia) can cause muscle weakness, heart rhythm problems, and fatigue, often due to medications, poor diet, or excessive losses.
  • Causes include kidney disease, certain medications (especially diuretics), poor diet, excessive losses through sweating or illness, and hormonal disorders.
  • Good sources include bananas, oranges, potatoes, spinach, beans, nuts, dairy products, and many fruits and vegetables.
  • Yes, potassium supplements can be dangerous if not properly monitored, especially in people with kidney problems or those taking certain medications.
Potassium

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How it works

What to expect

We want you to feel bloody good—inside and out. Regular testing isn’t just about checking your current health; it helps you spot abnormal values you might not know about.

1

Book your referral

Choose the testing that suits your goals. After ordering, you will receive your referral by email.

2

Collect your sample

Easy sample collection at one of our 4000+ partner collection centres throughout Australia. Find nearest

3
Receive your results

Receive your results

View your lab results and receive a personalised review from the secure Bloody Good platform.

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