Accurate diagnosis of a PDA requires echocardiography. Echocardiography together with Doppler and color Doppler allows assessment of patency, diameter of the DA (using color Doppler), and direction of ...

To determine the usefulness of the noninvasive pulsed Doppler in critically ill children, we calculated cardiac output by using this technique and compared the results with values obtained by the ...

Ben De, a researcher at the China Electronics Technology Group Corporation and also an academician of the Chinese Academy of ...

Doppler radar uses the Doppler effect to measure the radial velocity of targets in the antenna's directional beam. The Doppler effect shifts the received frequency up or down based on the radial ...

In order to meet metabolic demands, oxygen delivery(DO2)must be sufficient. However, in children with acute respiratory failure (ARF), DO2 is often partially estimated because cardiac output(CO) is ...

The Indus Doppler Flow Velocity System is a high-frequency, real-time pulsed Doppler measurement tool with built-in data processing software intended to assess small animals' cardiovascular health.

Tune into any TV weather report and you’ll hear the words “Doppler radar” as meteorologists track storms across California. But how does Doppler radar work? And how accurate is it? The concept of ...