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Ultrasound Imaging Equipment  J Zagzebski  J Zagzebski1*, (1)
University of Wisconsin, Madison, WI
WE-G-211-3 Wednesday 4:30:00 PM - 6:00:00 PM Room: 211  One of
the earliest man-made ultrasound images of the human body was
produced by Dussik in 1941, when he attempted to image the brain
using a through transmission technique. These early images were
later judged to be artifacts related to sound wave transmission
through skull bone. Pulse-echo examination of the body started
in the late 1940’s following developments of sonar, radar, and
ultrasound flaw detectors. Ludwig and colleagues measured speeds
of sound in tissues, publishing the value 1540 m/s for many
tissue paths, a figure still used today. Among the pioneering
pulse-echo imaging teams in the USA were Wild and Reid who
developed real time imaging of the breast in the early 1950’s,
and Howry and Bliss, who were able to generate detailed
anatomical pictures of the neck by employing water ba