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 ...

Ronald Wharton, MD: Greetings from the Bronx. This is Dr Ronald Wharton. I am a cardiologist at Montefiore Medical Center at the Albert Einstein College of Medicine, and I am sharing a case which I ...

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 ...

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 ...

Coronary flow reserve (CFR) is a key sign of coronary artery disease, namely how the coronary arteries that feed blood to the heart may adapt to various physiological situations such as exercise, ...

Using a spectrum analyzer for pulsed measurements has always required a careful understanding and knowledge of the parameters of the pulse signal, as well as the subsequent operation of the spectrum ...

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.