Xem 1-20 trên 345 kết quả Ultrasound
  • The use of acoustic energy in food or bioprocessing operations is a relatively new endeavor if compared with other sources of energy, such as mechanical or thermal, which have been utilized for centuries in various applications. There are two important factors that make the current ultrasound-assisted processes possible. One is related with the development in ultrasound generation technology and the other one is the better understanding of interactions between acoustic energy and liquid media, enabling the development of important guidelines for ultrasound-based processes....

    pdf678p hocviencaohocbk 23-09-2013 54 19   Download

  • Ultrasound is one of the most widely used imaging modalities in pediatric radiology and is set to continue to grow and develop as computing and equipment improves and new applications become available. Children are ideally suited to ultrasound, since their low levels of body fat contribute to ultrasound images of exquisite detail. This book is intended as a practical starting point for radiologists, sonographers and other medical healthcare professionals undertaking ultrasound examinations in children, providing all necessary normative charts and guidelines on examining techniques....

    pdf384p waduroi 03-11-2012 29 8   Download

  • Ultrasound has become an integral component of obstetric care, with the vast majority of patients having at least one ultrasound examination during pregnancy. From the determination of early pregnancy and gestational age to the evaluation of fetal growth and well being, ultrasound is a valuable diagnostic tool for the practicing obstetrician. Recent advances in obstetric ultrasonography have increased its importance in managing pregnancies at risk for aneuploidy, structural anomalies, preterm delivery, and blood flow abnormalities. ...

    pdf213p enter_12 28-06-2013 31 7   Download

  • Tham khảo sách 'peripheral vascular ultrasound how, why and when second edition', y tế - sức khoẻ, y dược phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • This review is for the 3rd Edition of Edelman's Understanding Ultrasound Physics. As Mr. Ridgeway noted in his review, this book has a bronze cover and is the most recent edition. Dr. Edelman presents the concepts in an orderly manner. Each chapter is a building block to the next. He words the material in a way that the average person can understand. Many ultrasound physics texts use terminology and principles which are far more technical, detailed and complex than necessary. Not this one!

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  • It is well-known that, in the past few decades, imaging techniques, and in particular ultrasonography, have led to great advances in clinical hepatology. In fact, the widespread use of these techniques resulted in the clinical discovery of hepatocellular carcinoma and other liver tumours. Hepatocellular carcinoma was practically unknown to the clinician before the advent of diagnostic ultrasound.

    pdf66p echbuon 02-11-2012 18 4   Download

  • An English translation of L’Echographie Générale en Réanimation was necessary, after two French versions in 1992 and 2002. Ultrasound has, it is true, gained a more important place in emergency and intensive care medicine.Technological evolution alone does not explain this popularity. Technology develops extremely quickly, but we have always suggested – and continue to do so – that before rushing to the most modern ultrasound units, we should already make optimal use of so-called obsolete devices.

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  • (BQ) Part 2 book "Donald school textbook of ultrasound in obstetrics and gynecology" presents the following contents: Doppler sonography in obstetrics, postpartum ultrasound, fetal behavior, amniocentesis and fetal blood sampling, amniocentesis and fetal blood sampling, ultrasound and uterine fibroid,...

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  • (BQ) Part 2 book "Practical urological ultrasound" presents the following contents: Penile ultrasound, transabdominal pelvic ultrasound, pelvic floor ultrasound, transrectal ultrasound of the prostate, ultrasound for prostate biopsy, pediatric urologic ultrasound, ultrasound of the gravid and pelvic kidney, intraoperative urologic ultrasound.

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  • (BQ) Part 1 book "Lung ultrasound in the critically ill - The BLUE protocol" presents the following contents: Basic knobology useful for the BLUE- Protocol (lung and venous assessment) and derived protocols; which equipment for the BLUE - Protocol 2. the probe; how we conduct a BLUE - Protocol

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  • (BQ) Part 2 book "Lung ultrasound in the critically ill - the BLUE protocol" presents the following contents: The BLUE-Protocol in clinical use; the BLUE-Protocol in clinical use; extension of lung ultrasound to specific disciplines, wider settings, various considerations.

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  • (BQ) Part 2 book "Diagnostic imaging ultrasound" presents the following contents: Abdominal wall - Peritoneal cavity, female pelvis, scrotum, head and neck, breast, musculoskeletal, vascular.

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  • (BQ) Part 1 book "Diagnostic ultrasound" presents the following contents: Physics of ultrasound, the liver, the spleen, the biliary tree and gallbladder, the pancreas, the kidney and urinary tract, the adrenal glands, the adrenal glands, the adrenal glands, ultrasound guided biopsy of abdomen and pelvis,...

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  • (BQ) Part 2 book "Diagnostic ultrasound" presents the following contents: The first trimester, chromosomal abnormalities, multifetal pregnancy, the fetal face and neck, the fetal brain, the fetal musculoskeletal system, sonographic evaluation of the placenta, the pediatric spinal canal,...

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  • (BQ) Part 1 book "Differential diagnosis in ultrasound imaging" presents the following contents: Vessels, liver, biliary tree and gallbladder (biliary tree, gallbladder), spleen, lymph nodes.

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  • (BQ) Part 2 book "Differential diagnosis in ultrasound imaging" presents the following contents: Gastrointestinal tract, peritoneal cavity, kidneys, adrenal glands, adrenal glands, prostate, seminal vesicles, testis, epididymis, female genital tract, thyroid gland, pleura and chest wall, lung.

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  • The paper presents a general overview of ultrasound signal processing and its digital implementation with emphasis on hardware-software partitioning. The available state of the art methods and systems of digital signal processing using both hardware and software are presented as well as the issues pertaining to algorithm implementation methodology.

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  • Medical ultrasound imaging is a technique that has become much more prevalent than other medical imaging techniques since it is more accessible, less expensive, safe, simpler to use and produces images in the real time. However, images produced by an ultrasound imaging system, must be of sufficient quality to provide accurate clinical interpretation.

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  • Ultrasound imaging is considered one of the most powerful techniques for medical diagnosis and is often preferred over other medical imaging modalities because of noninvasive, portable, versatile and low-cost properties (Webb, 2002; Abd-Elmoniem, 2002; Porter, 2001; Shekhar, 2002). A fundamental problem in the field of ultrasound imaging is the speckle noise influence, which is a major limitation on image quality inultrasound imaging.

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  • Multiplanar 3D US imaging is thought to provide more spatial information and allow easier anatomic assessment than the conventional two-dimensional ultrasound imaging. Contrast- enhanced three-dimensional ultrasound (CE 3D US) imaging is a new medical imaging technique that uses reflections of microbubbles to clearly depict blood vessels and allows the images to be displayed spatially at different visual angles.

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