News tagged with ultrasound
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 ...
What should a teenage girl do if she finds a lump in her breast?
Jun 25, 2009 |
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If a lump is found in the breast of an adolescent girl, she often will undergo an excisional biopsy.
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 ...
Successful neurosurgery with transcranial MR-guided high-intensity focused ultrasound
Jun 22, 2009 |
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The Magnetic Resonance Center of the University Children's Hospital Zurich has achieved a world first break through in MR-guided, non-invasive neurosurgery. Ten patients have been successfully treated by means ...
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, ...
New ultrasound-guided biopsy method allows improved diagnosis of endometrial disease
Apr 14, 2009 |
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A procedure used in conjunction with a vaginal ultrasound might make it easier to visualize and diagnose diseases in the lining of the uterus, researchers at UT Southwestern Medical Center have found.
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.
Collagen injections can help some incontinence patients when surgery fails, researcher finds
Mar 17, 2009 |
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Collagen injections can benefit women who still suffer from stress urinary incontinence (SUI) even after urethral or periurethral surgery, a UT Southwestern Medical Center researcher has found.
New Brain Helmet Could Detect Stroke Earlier
Feb 09, 2009 |
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(PhysOrg.com) -- A prototype "brain helmet" that provides real-time images of major blood vessels may enable emergency personnel to perform quick scans of potential stroke victims' brains, according to a team ...
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 waves aid in rapid treatment of DVT
Nov 23, 2008 |
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The use of ultrasound waves for deep vein thrombosis (DVT) may help dissolve blood clots in less time than using clot-busting drugs alone, according to researchers at Emory University. The study will be presented Sunday, ...
Computer model improves ultrasound image
Nov 04, 2008 |
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Doctors use diagnostic sonography or ultrasound to visualise organs and other internal structures of the human body. Dutch researcher Koos Huijssen has developed a computer model that can predict the sound transmission of ...
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 ...
Sensitive ultrasound to spot early-stage cancer
Oct 23, 2008 |
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(PhysOrg.com) -- European researchers have developed highly sensitive ultrasound equipment that can detect tiny quantities of reflective microbubbles engineered to stick to specific tumour cells. The technique should pick ...
