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Hdi 3000

Manufactured by Philips
Sourced in United States

The HDI 3000 is a laboratory equipment product manufactured by Philips. It is designed for conducting various diagnostic and analytical procedures in a laboratory setting. The core function of the HDI 3000 is to provide reliable and accurate measurements and data analysis capabilities to support the laboratory's research and testing activities.

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3 protocols using hdi 3000

1

Ultrasound Evaluation of Thyroid Gland

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US evaluation of the thyroid gland was performed with an HDI 3000 or HDI 5000 system (Philips Medical Systems, Bothell, WA, USA) or an Acuson Sequoia 512 system (Siemens Medical Solutions, Mountain View, CA, USA). One of three radiologists with 4, 6, and 10 years of experience in thyroid imaging performed a real-time US exam and interpreted the results. US features of diffuse thyroiditis (DT) were defined using the generally accepted standards of diffuse parenchymal hypoechogenicity or a heterogeneous echogenic pattern of the thyroid gland. If focal lesions were accompanied with DT, for example those suggestive of focal thyroiditis or a benign nodule, we conducted fine needle aspiration and included only the lesions confirmed as focal thyroiditis with lymphocytic infiltration.
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2

Ultrasonographic Evaluation of Thyroid Gland

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Ultrasonographic evaluation of the thyroid gland was performed with an HDI 3000 or HDI 5000 system (Philips Medical Systems, Bothell, WA, USA) or an Acuson Sequoia 512 system (Siemens Medical Solutions, Mountain View, CA, USA). Three well-trained radiologists performed a real-time sonographic exam and interpreted the results. Ultrasonographic features of diffuse thyroiditis were defined using the generally accepted standards of diffuse parenchymal hypoechogenicity or a heterogeneous echogenic pattern of thyroid gland.
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3

Brachial Artery Vasodilation Measurement

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Longitudinal images of the brachial artery were digitized from the video output of a standard clinical ultrasound scanner (HDI 3000 or HDI 5000; Philips Medical Systems, Bothell, WA) using a frame grabber on a personal computer under control of custom image capture software.67 (link) A linear 5- to 12-MHz scanhead or a compact linear 5- to 10-MHz scanhead was used for the ultrasound imaging. Image acquisition was gated with an ECG signal so that all images were captured at end diastole and collected for every cardiac cycle. The baseline brachial artery diameter was measured over 1 minute after the subject had been at rest for 10 minutes. Reactive hyperemia was produced using a pneumatic tourniquet placed around the upper arm and inflated to 40 mm Hg greater than the subject's systolic pressure for 4 minutes. The maximum diameter was obtained during a 2-minute interval following cuff release. Endothelial-dependent vasodilation (flow-mediated dilatation [FMD]) was calculated as the maximum diameter expressed as a percentage of the baseline measurement. Sublingual nitroglycerin 0.4 mg was given 15 minutes after cuff deflation. Images were collected between 2-10 minutes to obtain the maximum diameter. Endothelial-independent vasodilation (nitroglycerine-mediated dilatation) was calculated as the maximum diameter expressed as a percentage of the baseline diameter.
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