There are several disadvantages to using ultrasound in medicine, one of which is the potential for operator error. Some machines also produce images with limited resolution.Continue Reading
Ultrasound cannot be used to study any part of the body containing gas, so it is not a useful tool for diagnosing problems of the lung and digestive tract. This type of study is also very limited when used to identify fractures and other problems with the bones.
The CancerQuest website says some ultrasound scans may produce false positives, causing patients to undergo biopsies and other invasive procedures that are not necessary. Ultrasound is also unable to detect calcification of the breast tissue, making it less useful for detecting some forms of breast cancer.Learn more about Diagnostics & Imaging
A Doppler ultrasound estimates the blood flow through vessels by transmitting high-frequency sound waves throughout the body, states Mayo Clinic. It estimates how fast blood flows through the vessels by determining the change of pitch the movement registers.Full Answer >
Doctors can view testicular cancer through an ultrasound, the standard imaging technique used in identifying the disease, according to the American Cancer Society. Patients experiencing swelling, tenderness or bumps -- the common symptoms of testicular cancer -- often undergo the screening.Full Answer >
Several factors affect the price of an ultrasound, but as of 2015, the average price for a pregnancy ultrasound falls between $200 and $300, Bernard Health asserts. Similarly, Healthcare Bluebook lists the average fair price for an abdominal ultrasound at $264.Full Answer >
One basic technique for reading ultrasound entails correlating shades of black, white and gray with fluid, bone and tissue respectively. Cartilaginous material and low- or high-density organic matter will appear as gradations of these colors.Full Answer >