DIFFERENTIAL Doppler measurements on radio waves emitted from artificial satellites have been successfully used to obtain data of the ionospheric electron content. Uncertainties inherent in the ...

The ankle–brachial index (ABI) is the ratio of the systolic blood pressure (SBP) measured at the ankle to SBP measured at the brachial artery. 1, 2 The ABI is used for noninvasive diagnosis of ...

Medical ultrasound is a non-invasive method for imaging the body’s internal structures like organs. It processes by transmitting high-frequency sound waves into the body and measuring the reflections ...

Chicago, IL - Two ultrasound-based evaluations, both with their advantages and disadvantages, are about equally effective at guiding the management of patients with suspected lower-extremity deep-vein ...