我们综述中包括的单一研究仅提供了来自少数受试者的肢体水平数据。需要精心设计的横断面研究来评估所有医疗环境中出现外周动脉疾病早期症状的患者的ABI准确性。需要对现有研究进行另一次系统综述，评估ABI在其他患者群体（包括无症状、高危患者 ...

Regional anesthesia is a fast-growing field, fuelled by the application of ultrasound technology over the last decade. This book is a technique-oriented guide, which introduces the use of ultrasound ...

Aug. 6, 2024 — Heat and pressure can deteriorate the properties of piezoelectric materials that make state-of-the-art ultrasound and sonar technologies possible -- and fixing that damage has ...

Commissions do not affect our editors' opinions or evaluations. Most medical sonographers, also known as ultrasound technicians, start their careers with an associate degree in sonography.

行业 价格战的烽火将扑向更大功率的机型充分市场化的产品领域，价格竞争其实是一种常态化的现象。

In a recent study of 30 participants, researchers applied low-­intens­ity ultrasound waves to a brain region associated with introspection and off-task mind wandering. Participants who underwent ...

Ultrasound close ultrasoundSound with a frequency greater than 20,000 Hz (20 kHz). waves have a frequency higher than the upper limit for human hearing - above 20,000 Hertz (Hz). Different species ...

During the live finale, the remaining three contestants − Abi Carter, Will Moseley and ... a nurse heard Carter humming ...