Currently, doctors use ultrasound to measure blood flow in the body. Doppler effect, just like bats! But it can’t detect flow in the small, slow-moving vessels where diseases often start. The solution ...

Researchers have developed a laser-based device that can measure blood flow noninvasively and differentiate stroke risk based on current physiological conditions. When physicians want to know more ...

Following your doctor’s instructions is the most important part of preparing for a blood test. Sleeping well, staying hydrated, and avoiding certain foods and drinks can also provide benefits. Blood ...

Flow cytometry is a way to look closely at the features of cells or particles. A sample of blood or tissue goes into a machine called a cytometer. In less than a minute, a computer can analyze ...

The University of Missouri's Cardiology Clinic in Jefferson City is now using a new, higher-precision radio isotope scan to more accurately gauge blood flow in the heart. The scan is intended to ...

Blood tests look for markers in the blood that may indicate non-Hodgkin lymphoma. Blood tests alone cannot diagnose lymphoma, but they can help with diagnosis. A doctor may order blood tests to look ...

Speckle contrast is a promising approach to assessing blood flow, developed to capture images of laser light scattered from blood vessels with affordable optical sensors and components. The study ...

Reduced blood flow can cause unpleasant symptoms, such as pain, muscle cramps, numbness, digestive issues and coldness in the hands or feet. In addition to those with poor circulation, athletes and ...