News tagged with blood flow
The Medical Minute: Stress tests - echo vs. nuclear
Your health care provider has ordered a stress test for your heart. No problem, you think; you’ve seen people walk on treadmills before. In fact, you used the one in your basement a few times, a couple of years ago. ...
Feb 08, 2012 |
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Genetic variant increases risk of common type stroke
A genetic variant that increases the risk of a common type of stroke has been identified by scientists in a study published online in Nature Genetics today. This is one of the few genetic variants to date t ...
Feb 05, 2012 |
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First-of-its-kind head patch monitors brain blood flow and oxygen
A research team led by investigators at Mayo Clinic in Florida has found that a small device worn on a patient's brow can be useful in monitoring stroke patients in the hospital. The device measures blood oxygen, similar ...
Medicine & Health / Cardiology
Feb 01, 2012 |
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Overweight mothers who smoke while pregnant can damage baby's heart
Mums-to-be who are both overweight and smoke during their pregnancy risk damaging their baby's developing heart, finds research published online in Heart.
Medicine & Health / Cardiology
Jan 30, 2012 |
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ESC cardiologists 'intrigued' by novel approach to heart failure
The European Society of Cardiology (ESC) welcomes an "intriguing" study, published today in the Journal of the American College of Cardiology, featuring a completely novel approach for improving endothelial function in hea ...
Medicine & Health / Cardiology
Jan 30, 2012 |
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fMRI brain imaging illuminates magic mushrooms' psychedelic effects
Brain scans of people under the influence of the psilocybin, the active ingredient in magic mushrooms, have given scientists the most detailed picture to date of how psychedelic drugs work. The findings of two studies being ...
Medicine & Health / Neuroscience
Jan 23, 2012 |
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Choking game prevalent among teens in Texas
Nearly one out of seven college students surveyed at a Texas university has participated in the Choking Game, a dangerous behavior where blood flow is deliberately cut off to the brain in order to achieve a high, according ...
Jan 18, 2012 |
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Vasodilator hormone improved kidney function, blood flow in PKD model
After a four-week course of the vasodilator hormone relaxin, kidney function and blood flow immediately improved in lab rats genetically altered to model polycystic kidney disease (PKD), a life-threatening genetic disorder, ...
Dec 06, 2011 |
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Are doing harm and allowing harm equivalent? Ask fMRI
People typically say they are invoking an ethical principle when they judge acts that cause harm more harshly than willful inaction that allows that same harm to occur. That difference is even codified in criminal law. A ...
Medicine & Health / Psychology & Psychiatry
Dec 02, 2011 |
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Risk factors for CCSVI are similar to risk factors for developing MS, study shows
The first study to investigate risk factors for the vascular condition called CCSVI (chronic cerebrospinal venous insufficiency) in volunteers without neurological disease has identified what the researchers call a remarkable ...
Medicine & Health / Neuroscience
Nov 30, 2011 |
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Promising and perilous? The ambivalent role of the CXCL12/ CXCR4 axis in heart repair
The chemokine CXCL12 acts as a chemical signal which mobilizes hematopoietic and other types of stem cells to leave the bone marrow and enter the circulation. Secretion of CXCL12 also guides these cells to sites at which ...
Medicine & Health / Cardiology
Nov 30, 2011 |
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L-arginine: Supplement tested on fit, athletic men shows no advantage
One of the most recent, popular supplements for athletes looking to boost performance comes in the form of a naturally-occurring amino acid called L-arginine.
Nov 22, 2011 |
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New design for mechanical heart valves
The heart's valves, which guarantee the unidirectional flow of blood from one chamber to another, are asymmetrical. For example, the two flaps of the heart's mitral valve – which regulates blood flow between the left ...
Nov 22, 2011 |
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South Asian patients require three times as much repeat angioplasty as white Europeans
South Asian patients with coronary artery disease were almost three times as likely to be readmitted to hospital for further interventional treatment to arterial plaque than their White European counterparts, according to ...
Medicine & Health / Cardiology
Nov 21, 2011 |
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Form and function: New MRI technique to diagnose or rule out Alzheimer's disease
On the quest for safe, reliable and accessible tools to accurately diagnose Alzheimer's disease, researchers from the Perelman School of Medicine at the University of Pennsylvania found a new way of diagnosing and tracking ...
Medicine & Health / Neuroscience
Nov 16, 2011 |
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Blood flow
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.
