A system for performing intravascular pulse wave velocity measurements, the system comprising: an intravascular ultrasound device adapted to: generate, using a single sensor, a plurality of intravascular ultrasonic pulses , at a pulse origin, wherein the plurality of intravascular ultrasonic pulses are directed along a vessel ; for each of the plurality of ultrasonic pulses, receive a plurality of echoes from a plurality of distances relative to the pulse origin, using the single sensor; and a processor adapted to: obtain a first ultrasound Doppler signal from a first distance (z 1 ) relative to the pulse origin based on the plurality of echoes; identify a first change in velocity at the first distance based on the first ultrasound Doppler signal; obtain a second ultrasound Doppler signal from a second distance (z 2 ) relative to the pulse origin based on the plurality of echoes; identify a second change in velocity at the second distance based on the second ultrasound Doppler signal; ascertain a time delay (Δt) based on the first change in velocity and the second change in velocity, wherein the time delay corresponds to a time for the change in velocity to propagate from the first distance to the second distance; calculate a pulse wave velocity based on the time delay; and provide an output based on the pulse wave velocity to a display. an intravascular ultrasound device adapted to: generate, using a single sensor, a plurality of intravascular ultrasonic pulses , at a pulse origin, wherein the plurality of intravascular ultrasonic pulses are directed along a vessel ; for each of the plurality of ultrasonic pulses, receive a plurality of echoes from a plurality of distances relative to the pulse origin, using the single sensor; and generate, using a single sensor, a plurality of intravascular ultrasonic pulses , at a pulse origin, wherein the plurality of intravascular ultrasonic pulses are directed along a vessel ; for each of the plurality of ultrasonic pulses, receive a plurality of echoes from a plurality of distances relative to the pulse origin, using the single sensor; and a processor adapted to: obtain a first ultrasound Doppler signal from a first distance (z 1 ) relative to the pulse origin based on the plurality of echoes; identify a first change in velocity at the first distance based on the first ultrasound Doppler signal; obtain a second ultrasound Doppler signal from a second distance (z 2 ) relative to the pulse origin based on the plurality of echoes; identify a second change in velocity at the second distance based on the second ultrasound Doppler signal; ascertain a time delay (Δt) based on the first change in velocity and the second change in velocity, wherein the time delay corresponds to a time for the change in velocity to propagate from the first distance to the second distance; calculate a pulse wave velocity based on the time delay; and provide an output based on the pulse wave velocity to a display. obtain a first ultrasound Doppler signal from a first distance (z 1 ) relative to the pulse origin based on the plurality of echoes; identify a first change in velocity at the first distance based on the first ultrasound Doppler signal; obtain a second ultrasound Doppler signal from a second distance (z 2 ) relative to the pulse origin based on the plurality of echoes; identify a second change in velocity at the second distance based on the second ultrasound Doppler signal; ascertain a time delay (Δt) based on the first change in velocity and the second change in velocity, wherein the time delay corresponds to a time for the change in velocity to propagate from the first distance to the second distance; calculate a pulse wave velocity based on the time delay; and provide an output based on the pulse wave velocity to a display. <EOS>