Description
Test Preparation
To ensure accurate results, follow these preparation guidelines:
- No fasting required; you can eat and drink normally.
- Wear loose, comfortable clothing for easy access to the limb being examined.
- Avoid applying lotions, creams, or oils on the arm or leg before the test.
- Inform your doctor if you are taking blood thinners or have a history of vascular diseases.
- Avoid smoking or consuming caffeine for a few hours before the test, as they can affect blood flow.


