نتایج جستجو برای: fluoroscopy

تعداد نتایج: 4962  

Journal: :American Journal of Clinical Pathology 1951

2004
A. Dimov J. Vassileva

The Quality Control (QC) routine performance tests of the fluoroscopy equipment are an irreversible element of the Quality Assurance (QA) and Patient Protection (PP) system. The results from these tests may be helpful in identifying and quantifying: changes in system performance due to component failure or drift, programmed changes in system performance due to upgrades software, a new spectral ...

2017
Savas Sencan Emel Güler Isa Cüce Kemal Erol

We report a case of fluoroscopy-guided intraarticular steroid injection for sternoclavicular joint (SCJ) arthritis caused by limited cutaneous systemic sclerosis (SSc). A 50-year-old woman diagnosed with limited cutaneous SSc presented with swelling and pain in the right SCJ. MRI revealed signs of inflammation consistent with right-sided sternoclavicular joint arthritis. After the failure of or...

Journal: :AJNR. American journal of neuroradiology 2004
Andrew L Wagner

CT fluoroscopy may be used as a rapid and effective means of guiding needle placement when performing selective lumbar nerve root blocks. In this set of patients, the average external radiation dose was 0.73 mrem per procedure, with an average of 2 seconds of CT-fluoroscopy time and four images per procedure. Average physician room time was 7 minutes. Use of intermittent CT fluoroscopy during l...

2015
Hyun-Ok Cho Hyoung-Seob Park Hyun-Chul Choi Yun-Kyeong Cho Hyungseop Kim Chang-Wook Nam Seongwook Han Seung-Ho Hur Yoon-Nyun Kim

Electrophysiology study (EPS) and radiofrequency catheter ablation (RFCA) are widely used for the diagnosis and treatment of cardiac arrhythmias. EPS and RFCA are very complicated procedures, requiring extended periods of time and advanced technologies that vary according to the disease of the patients. Fluoroscopy is used during EPS and RFCA to guide the catheter through the vessels while view...

Journal: :Applied sciences 2021

Acceptance testing and commission are essential elements of the quality assurance program for imaging equipment. We present results a performance evaluation Flat Panel-Based Cardiovascular Fluoroscopy X-ray Systems as part acceptance commissioning. Measurements were obtained using calibrated dose rate meter, patient equivalent phantoms, Leeds image test tools. The compared with manufacturer Eur...

Journal: :The British journal of ophthalmology 1981
W M Haining

A system of television ophthalmoscopy has been developed using commercially available colour television cameras and a specially designed high-sensitivity monochrome television camera. Funduscopy and fluoroscopy can be performed at low light levels and recorded on standard video tape for clinical evaluation and also as a teaching aid. A computerised television stereo ophthalmoscope image process...

Journal: :Archives of dermatology 2003
Jin Lee Diane Hoss Tania J Phillips

A 48-year-old obese man with a history of hypertension, coronary artery disease, and status post–quadruple bypass presentedwithan8-monthhistoryofpainfululcerationon therightmidback.The initial lesionwasdescribedasa4-cm square area of eroded eczematous dermatitis, which later developed 2 areas of ulceration that worsened despite various treatments, includingoral and intralesional corticosteroids...

Journal: :African Journal of Urology 2023

Abstract Purpose To investigate the effectiveness and safety of ultrasound-guided Percutaneous Nephrolithotomy (PCNL) compared to standard fluoroscopy-guided PCNL. Methods This study is a comparative retrospective obtained from medical records within last 5 years Raden Mattaher Hospital, Jambi. Patients were divided into 2 groups, fluoroscopy- ultrasonography-guided PCNL with large kidney stone...

2015
Choong Guen Chee Guen Young Lee Joon Woo Lee Eugene Lee Heung Sik Kang

OBJECTIVE To evaluate the rates of technical success, clinical success, and complications of fluoroscopy-guided lumbar cerebrospinal fluid drainage. MATERIALS AND METHODS This retrospective study was approved by the Institutional Review Board of our hospital, and informed consent was waived. Ninety-six procedures on 60 consecutive patients performed July 2008 to December 2013 were evaluated. ...

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