Definition of pulsatile in US English:



  • Pulsating; relating to pulsation.

    ‘pulsatile tinnitus’
    • ‘Carotid artery dissection is a possibility in patients who present with pulsatile tinnitus.’
    • ‘The tracing shown below demonstrates the pulsatile velocities of red blood cells over time as shown using Doppler ultrasound technology.’
    • ‘Characteristically, patients presenting with glomus tumors are women 40 to 50 years of age who report pulsatile tinnitus and hearing loss.’
    • ‘Freely mobile aortic plaques exposed to the pulsatile aortic flow field in fact represent partial flow tracers, indicating the vector of force that results from the spatial components at any given time.’
    • ‘Arteries can be distinguished from veins in the transverse scan because of the collapsing property of the vein when pressure is applied by the scanning probe; pulsatile vessels also are identified more easily.’


Late Middle English: from medieval Latin pulsatilis (in vena pulsatilis ‘artery’), from the verb pulsare (see pulsate).