Scientists from Colorado State University and the University of São Paulo have overcome a challenge that has prevented ...

Key points A 57-year-old man presented to the emergency department with back and right upper quadrant abdominal pain that progressed to painful right leg swelling over a few days. His vital signs at ...

A Doppler ultrasound can also find abnormal blood flow in a vessel ... You may also be asked to not have caffeine in any form for about 2 hours before to the test. A vascular study may be done on an ...

Venous reflux disease ... in the leg using a handheld tool called a Doppler ultrasound. To confirm their findings or improve the accuracy of their examination, a healthcare professional may ...

Precise segmentation of vascular anatomy in 3D Power Doppler ultrasound (3D - PDU ... The U-Net variant with DenseNet121 backbone achieved the best results on the test dataset, with a pixel accuracy ...

(2025) Nursing Progress in the Management of Fibrous Sheath Complications in Patients with PICC Catheters. Journal of Biosciences and Medicines, 13, 75-82. doi: 10.4236/jbm.2025.136008 .

Abstract: Medical ultrasound (US) is widely used to evaluate and stage vascular diseases ... can improve the confidence and robustness of autonomous US examination results. In the future, the Doppler ...

Imaging techniques including transcranial Doppler (TCD), magnetic resonance imaging ... or if the sole alternative is a bedside examination. TCD provides data on venous hemodynamics that is not ...

A research team has developed a bimodal photoacoustic/ ultrasound ... test was used to measure the blood pressure of the wrist, ankle, or toe to calculate the ratio to diagnose peripheral vascular ...

The ultrasound study was performed using an echo-Doppler Philips HD ... CVP waveform from the central venous catheter and a single-lead electrocardiogram rhythm strip was registered a few minutes ...