Lower extremity venous duplex examinations are performed with a linear array transducer using frequencies of 9 to 12 MHz. These exams require evaluation with grayscale, color flow, and pulsed-wave ...

tissues and organs Doppler ultrasound – high-frequency sound waves determine the speed and direction of blood flow in the veins and arteries A duplex ultrasound is used to diagnose conditions that ...

Duplex ultrasound is first-line imaging for all patients presenting with signs ... For insulin-dependent diabetic patients, a 4-hour fast can be allowed. A high-resolution color Doppler ultrasound ...

A Doppler test on the leg is also recommended before heart bypass surgery. This is because a vein may be taken from your leg to use for the bypass, but the leg wound may not heal if there isn’t a good ...

A Doppler test on the leg is also recommended before heart bypass surgery. This is because a vein may be taken from your leg to use for the bypass, but the leg wound may not heal if there isn’t a good ...

Doppler ultrasound – High-frequency sound waves determine the speed and direction of ... and are actively involved in clinical research for vascular disease. A venous duplex is performed in the ...