Will I need to do anything to prepare for the test?To prepare for a Doppler ultrasound, you may need to:Remove clothing and jewelry from the area of the body that is getting tested.Avoid cigarettes and other products that have nicotine for up to two hours before your test. Nicotine causes blood vessels to narrow, which can affect your results.For certain types of Doppler tests, you may be asked to fast (not eat or drink) for several hours before the test.Your health care provider will let you know if you need to do anything to prepare for your test.
