Medically reviewed by Archana Sharma, DO Key Takeaways A potassium blood test measures the potassium level in your blood to ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

Heart failure can occur at any age, but the elderly are at higher risk. The most common causes are coronary artery disease, high blood pressure, diabetes, obesity, and smoking. With rapidly changing ...

Doctors may use several tests to help diagnose hemochromatosis. The process may start with a physical exam and blood tests to check a person’s iron levels. Healthcare professionals use the terms ...