نتایج جستجو برای: duplex scan

تعداد نتایج: 98497  

Journal: :JAMA surgery 2014
Kendall Likes Danielle H Rochlin Diana Call Julie A Freischlag

IMPORTANCE Patients with neurogenic thoracic outlet syndrome (NTOS) may have signs and symptoms of arterial compromise without thrombosis or aneurysm. OBJECTIVE To evaluate these patients' presentation, duration of signs and symptoms, and outcomes of immediate surgical operation. DESIGN, SETTING, AND PARTICIPANTS Demographic and clinical data for patients with NTOS and signs and symptoms of...

Background and Objective: Sexually infections transmitted by bacteria are one of thetherapeutic and social problemsworldwide. The Real-time PCR assay is one of the most sensitive diagnostic and screening methods for these infections. The purpose of this study wassimultaneous detection of Chlamydia trachomatis and Mycoplasma genitaliumusing the TaqMan duplex real-time polymerase chain reaction. ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم 1390

در این پروژه نانوکلوئیدهای طلا ونقره با روش شیمیایی تولید می شوند وبا استفاده از طیف سنجیمرئی-ماورای بنفش طیف جذبی نمونه ها را بررسی کرده وبا انجام آزمایش بررسی قله ودره در هر نمونه متوجه می شویم که نانوذرات کلوئیدی شکل گرفته اند. ابتدا جذب خطی نمونه ها را مورد بررسی قرارداده و جذب خطی نمونه ها را با هم مقایسه می کنیم. همچنین ویژگی های اپتیک گرمایی وغیر خطی نانوکلوئیدها با انجام آزمایش هایz-sca...

Journal: :CoRR 2016
Jingwen Bai Ashutosh Sabharwal

We study a multi-cell multi-user MIMO full-duplex network, where each base station (BS) has multiple antennas with full-duplex capability supporting single-antenna users with either full-duplex or half-duplex radios. We characterize the upand downlink ergodic achievable rates for the case of linear precoders and receivers. The rate analysis includes practical constraints such as imperfect selfi...

Journal: :Atherosclerosis 2022

Background and Aims : It is now well established that non-alcoholic fatty liver disease (NAFLD) associated with a significant increase in the risk of adverse cardiovascular events. NAFLD-specific scores, considering traditional nontraditional factors, are needed to improve patient care. Liver fibrosis may be an integrative indicator burden cardiometabolic factors. also represent subclinical ath...

Journal: :The British journal of ophthalmology 1999
H R Atta

Historical perspective It is only 50 years since ultrasound was first introduced to medical diagnosis; an astonishingly short period bearing in mind the impact this technique has exerted on all aspect of medical practices, including ophthalmology. In our field, the early pioneers of ophthalmic ultrasound include Mundt and Hughes, Oksala and Lehtinen, and Gernet. Those workers are credited with ...

Journal: :European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery 2001
A Daher V Jones A F da Silva

INTRODUCTION continuous wave Doppler (CWD) has good discriminatory power at the groin in the assessment of saphenous femoral junction (SFJ); however, it is not as accurate as duplex ultrasound scanning (DUS) in the popliteal fossa for assessment of saphenous popliteal junction (SPJ) in patients with primary short saphenous vein incompetence. AIM the aim of this study was to compare the findin...

Journal: :Journal of Vascular Surgery 2021

Carotid duplex interpretation are based on velocity cutoffs and internal carotid artery (ICA)/common (CCA) ratios. Patients undergoing left ventricular assist device (LVAD) implantation pose a challenge in the standard interpretive criteria. The continuous flow produced by an LVAD alters normal pulsatile physiologic blood flow, lowering systolic increasing diastolic flow. Therefore, we hypothes...

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