News tagged with ultrasound
Scientists discover ultrasonic communication among frogs
May 11, 2009 |
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(PhysOrg.com) -- UCLA scientists report for the first time on the only known frog species that can communicate using purely ultrasonic calls, whose frequencies are too high to be heard by humans. Known as ...
Ultrasound imaging now possible with a smartphone
Apr 21, 2009 |
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Computer engineers at Washington University in St. Louis are bringing the minimalist approach to medical care and computing by coupling USB-based ultrasound probe technology with a smartphone, enabling a compact, ...
Selective sex abortion causes 32 million excess males in China
Apr 10, 2009 |
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Selective abortion in favour of males has left China with 32 million more boys than girls, creating an imbalance that will endure for decades, an investigation released on Friday warned.
Longer toes eyed as sprinters' edge
Nov 12, 2009 |
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(PhysOrg.com) -- Longer toes may give sprinters a leg up on other runners, according to a new study.
GE unveils handheld ultrasound machine
Oct 21, 2009 |
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(AP) -- The future of ultrasound technology, as interpreted by General Electric Co., looks a bit like a flip phone crossed with an iPod.
Graphics chips speed up medical imaging
Sep 04, 2009 |
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Beyond just jazzing up video games, one of the growing array of applications being found for the powerful graphics-oriented chips that Nvidia and Advanced Micro Devices sell is in speeding up medical imaging, which can be ...
Wave of the future: Portable ultrasound scanners in the ER can save lives by expediting diagnosis
Aug 18, 2009 |
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All too often, a stethoscope and a doctor's touch are still the primary tools for diagnosing emergency-room patients. UC Irvine physician Chris Fox aims to change that.
Classifying 'clicks'
Jul 15, 2009 |
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A new way to classify sounds in some human languages may solve a problem that has plagued linguists for nearly 100 years--how to accurately describe click sounds distinct to certain African languages.
A rush of blood to the head -- anger increases blood flow
Jul 03, 2009 |
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Mental stress causes carotid artery dilation and increases brain blood flow. A series of ultrasound experiments, described in BioMed Central's open access journal Cardiovascular Ultrasound, also found that this dilatory reflex ...
First acoustic metamaterial 'superlens' created
Jun 24, 2009 |
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A team of researchers at the University of Illinois has created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive ...
Groundbreaking, inexpensive, pocket-sized ultrasound device can help treat cancer, relieve arthritis
Dec 19, 2008 |
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(PhysOrg.com) -- A prototype of a therapeutic ultrasound device, developed by a Cornell graduate student, fits in the palm of a hand, is battery-powered and packs enough punch to stabilize a gunshot wound ...
Ultrasound shown to exert remote control of brain circuits
Oct 29, 2008 |
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In a twist on nontraditional uses of ultrasound, a group of neuroscientists at Arizona State University has developed pulsed ultrasound techniques that can remotely stimulate brain circuit activity. Their findings, published ...
Tiny 3-D ultrasound probe guides catheter procedures
Aug 28, 2008 |
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An ultrasound probe small enough to ride along at the tip of a catheter can provide physicians with clearer real-time images of soft tissue without the risks associated with conventional x-ray catheter guidance.
Healthy babies by the numbers
Nov 10, 2009 |
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When a fetus is smaller than expected for the number of weeks of pregnancy, due to associated problems like a poorly developed heart, health concerns as severe as brain damage can result.
Routine evaluation of prostate size not as effective in cancer screening (w/ Video)
Nov 10, 2009 |
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New Mayo Clinic research studied the association between prostate-specific antigen (PSA) levels and prostate size and found that routine annual evaluation of prostate growth is not necessarily a predictor for the development ...
