Fast for at least 8 hours before the test. Drink water as usual.

Yes, it helps diagnose diabetes by measuring fasting blood glucose levels.

Elevated levels may suggest diabetes or impaired glucose metabolism.

Yes, fasting is necessary for accurate results.

Results are typically available within a few hours to a day.

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 number of eosinophils in the blood to assess immune system activity and detect various conditions.

No, fasting is not required for this test.

Elevated counts can be caused by allergic reactions, parasitic infections, autoimmune diseases, and certain cancers.

The test involves a simple blood draw, which may cause slight discomfort but is generally well-tolerated.

Results are typically available within a few hours to a day