Results 1 - 1 of 1 for NICOTINE
  1. Doppler Ultrasound: MedlinePlus Medical Test 
    ... 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 ...
    https://medlineplus.gov/lab-tests/doppler-ultrasound - Medical Tests