For patient safety, patients exceeding the posted weight
restrictions will not be done at London X-Ray Associates. The
weight limit for all Ultrasound exams is 350 lbs. Ultrasound
uses sound, not x-rays, to produce images. A probe placed on the
surface of the body sends a thin high-frequency sound beam
(above the range that humans can hear) into the body. The sound
bounces off of the blood vessels and soft tissues of the leg and
back to the probe. A computer is able to construct images based
on the time required for these echoes to return. Doppler
ultrasound is able to look at blood flow. The computer is able
to show movement of blood through vessels. Ultrasound of leg
veins takes approximately 10 - 30 minutes to perform. - Common
reasons for a Venous Doppler Ultrasound Some of the more common
reasons why your doctor would order a venous Doppler ultrasound
include: - Leg swelling - Leg pain - Pulmonary embolism (blood
clots in the lungs) - Varicose veins - Who should not have a
Venous Doppler? Ultrasound is a