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Blood flow

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Blood flow is the flow of blood in the cardiovascular system.

It can be calculated by dividing the vascular resistance into the pressure gradient.

For more information about Blood flow, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.


News tagged with blood flow

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Washing away painful wounds

Washing away painful wounds

Medicine & Health / Research

created Aug 26, 2009 | popularity 5 / 5 (20) | comments 1

More than six million people in the U.S. suffer from persistent wounds -- open sores that never seem to heal or, once apparently healed, return with a vengeance. The bedridden elderly and infirm are prone ...


Two cardiovascular proteins pose a double whammy in Alzheimer's

Biology /

created Dec 21, 2008 | popularity 4.3 / 5 (7) | comments 0

Researchers have found that two proteins which work in tandem in the brain's blood vessels present a double whammy in Alzheimer's disease. Not only do the proteins lessen blood flow in the brain, but they also reduce the ...


Slipper-shaped blood cells

Slipper-shaped blood cells

Physics / General Physics

created Oct 26, 2009 | popularity 3.7 / 5 (3) | comments 0

Red blood cells, which make up 45 percent of blood, normally take the shape of circular cushions with a dimple on either side. But they can sometimes deform into an asymmetrical slipper shape. A team of physicists ...


Balance organs affect brain blood flow

Medicine & Health / Neuroscience

created Sep 23, 2009 | popularity not rated yet | comments 0

The organs of the inner ear have a direct effect on brain blood flow, independent of blood pressure and CO2 levels in the blood. Researchers writing in the open access journal BMC Neuroscience used a series of human centrifu ...


Blood vessel bends and branches put the brakes on statins

Chemistry / Biochemistry

created Jul 10, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- New British Heart Foundation (BHF) research revealed today suggests for the first time that the way blood flows through our arteries may boost an antioxidant effect of statin medicines. The discovery at Imperial ...


A rush of blood to the head -- anger increases blood flow

Medicine & Health / Research

created Jul 03, 2009 | popularity 5 / 5 (1) | comments 0

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 ...


While you were sleeping: Sleep apnea's effect on the brain may be more severe than previously thought

Medicine & Health / Research

created Jun 03, 2009 | popularity 4 / 5 (4) | comments 0

It has been linked to learning impairment, stroke and premature death. Now research from the University of New South Wales (UNSW) has found that snoring associated with sleep apnoea may impair brain function more than previously ...


coffee

Your brain on -- and off -- caffeine

Medicine & Health / Research

created May 01, 2009 | popularity 3.7 / 5 (14) | comments 9

Ever miss your daily cup of coffee and subsequently get a pounding headache? According to reports from consumers of coffee and other caffeinated products, caffeine withdrawal is often characterized by a headache, ...


After years of research, drug for 'female sexual dysfunction' remains elusive

Medicine & Health / Medications

created Apr 27, 2009 | popularity 4 / 5 (1) | comments 1

The pharmaceutical industry's push to find a female version of Viagra has been full of letdowns.


New imaging analysis predicts brain tumor survival

Medicine & Health / Cancer

created Apr 19, 2009 | popularity 4 / 5 (1) | comments 0

As early as one week after beginning treatment for brain tumors, a new imaging analysis method was able to predict which patients would live longer, researchers from the University of Michigan Comprehensive Cancer Center ...


Simple finger device may help predict future heart attack

Medicine & Health / Research

created Mar 26, 2009 | popularity 4.7 / 5 (9) | comments 0

Results of a Mayo Clinic study show that a simple, noninvasive finger sensor test is "highly predictive" of a major cardiac event, such as a heart attack or stroke, for people who are considered at low or moderate risk, according ...


Weighing the Options after Life-Altering Stroke

Weighing the Options after Life-Altering Stroke

Medicine & Health / Diseases

created Mar 12, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Choosing to have aggressive brain surgery after suffering a severe stroke generally improves the patients' lives and allows them to live longer, according to research by neurologists at the ...


Cracking the spatial memory code

Medicine & Health / Neuroscience

created Mar 12, 2009 | popularity 5 / 5 (1) | comments 0

Researchers have shown that they can tell where a person is "standing" within a virtual reality room on the basis of the pattern of activity in the brain alone. The findings, published online on March 12th in Current Biology, a Cell ...


'Window into the brain' reveals deadly secrets of malaria

Medicine & Health / Diseases

created Jan 15, 2009 | popularity 4.8 / 5 (4) | comments 1

Looking at the retina in the eyes of patients with cerebral malaria has provided scientists with a vital insight into why malaria infection in the brain is so deadly. In a study funded by the Wellcome Trust and Fight for ...


'Smart scaffolds' may help heal broken hearts

Medicine & Health / Research

created Jan 12, 2009 | popularity 5 / 5 (2) | comments 0

Canadian researchers have, for the first time, developed an organic substance that attracts and supports cells necessary for tissue repair and can be directly injected into problem areas. This development, published online ...