title: A-mode ultrasonic detection of slow flow velocities in vitro.
abstract: The lower limits of detection of moving particles was studied with a sensitive A-mode scanner. Particles of two different sizes (25 microns and 90 microns) were perfused with different velocities in two different tubes. The motion of single latex particles with a diameter of 90 microns could be demonstrated in both tubes. The A-mode scanner had no lower limit in detecting motion of the 90 microns particles.
authors.affiliation: Department of Diagnostic Radiology, Turku University Central Hospital, Finland.
authors.forename: T
authors.initials: T
authors.lastname: Kallio
authors.forename: A
authors.initials: A
authors.lastname: Alanen
authors.forename: M
authors.initials: M
authors.lastname: Kormano
mesh_terms: D001783:Blood Flow Velocity; D006801:Humans; D066298:In Vitro Techniques; D010316:Particle Size; D014463:Ultrasonography