Bariatric surgery is a set of surgical procedures designed to assist with significant weight loss by altering the digestive system.

Spirometry is a lung function test that measures how much air you can inhale and exhale, and how quickly you can do it.

Wear loose clothing, avoid heavy meals or intense exercise before the test, and follow any specific instructions from your doctor.

No, spirometry is non-invasive and painless. You will be asked to breathe into a device, which may feel slightly uncomfortable but is not painful.

The test itself takes about 15-30 minutes. Results are usually available immediately or within a few hours.

The frequency depends on your health conditions and doctor’s recommendations. It may be performed regularly for ongoing monitoring or as needed for diagnosis.

The test measures the concentration of potassium in the blood to assess overall potassium status.

No, fasting is not typically required for this test.

Causes include inadequate dietary intake, excessive losses (e.g., through vomiting or diarrhea), or certain medications.

Yes, high levels can be life-threatening, requiring immediate medical attention and treatment.

A blood sample is taken from a vein, usually in the arm, and analyzed in a laboratory.