A method for ultrasonic detection and imaging of hemodynamic information, particularly venous blood flow information, which method comprises the steps of: transmitting ultrasonic pulses into a body under examination, which pulses are generated by an array of electro-acoustic transducers arranged according to a predetermined order and design receiving reflected pulses resulting from the reflection of transmit pulses by an array of receiving electro-acoustic transducers, which generate receive signals upon stimulation of pulses reflected from the body under examination said succession of pulses transmitted to the body under examination and/or pulses received from the body under examination being focused along one or more scan lines generating at least one Doppler frequency shift signal resulting from the reflection of pulses transmitted by a blood flow into a vessel intersected by said scan line, in at least one point and along at least said scan line, or along a direction of propagation of a pulse determining the direction of blood flow velocity in at least said point from the average frequency value of the spectrum of Doppler shift frequencies and displaying said direction of blood flow velocity by graphical and/or chromatic representation differentiating opposite directions.La présente invention concerne un procédé destiné à la détection et à limagerie ultrasonores dinformations hémodynamiques, notamment des informations sur lécoulement du sang veineux, qui comprend : la transmission dimpulsions ultrasonores dans un corps faisant lobjet dun examen, lesquelles sont générées par un réseau de transducteurs électro-acoustiques placés selon un ordre et une conception prédéfinis la réception dimpulsions réfléchies provenant de la réflexion des impulsions de transmission par un réseau de transducteurs électro-acoustiques de réception, ce qui génère des signaux de réception en cas de stimulation des impulsions réfléchies par le corps faisant lobjet dun examen ladite succes
