News tagged with heart signal
British pharmacy chain announces roll-out of new smart pills loaded with microchip
(Medical Xpress) -- A new pharmaceutical program that many Britons might find literally hard to swallow, has been announced. Pharmacy chain Lloydspharmacy has partnered with American technology firm Proteus ...
Medicine & Health / Medications
Jan 18, 2012 |
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Mutation in gene that's critical for human development linked to arrhythmia
Arrhythmia is a potentially life-threatening problem with the rate or rhythm of the heartbeat, causing it to go too fast, too slow or to beat irregularly. Arrhythmia affects millions of people worldwide.
Dec 27, 2011 |
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Oxidative stress: Less harmful than suspected?
Arterial calcification and coronary heart disease, neurodegenerative diseases such as Parkinson's and Alzheimer's, cancer and even the aging process itself are suspected to be partially caused or accelerated ...
Dec 05, 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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Study explains how heart attack can lead to heart rupture
For people who initially survive a heart attack, a significant cause of death in the next few days is cardiac rupture -- literally, bursting of the heart wall.
Medicine & Health / Cardiology
Nov 17, 2011 |
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Mitochondria restructuring protein provides new therapeutic target for heart disease
Mitochondria are often called cellular "powerhouses" because they convert nutrients into energy. But these tiny structures also help determine cellular lifespan. Scientists at Sanford-Burnham Medical Research ...
Medicine & Health / Cardiology
Nov 17, 2011 |
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Benefits of nut consumption for people with abdominal obesity, high blood sugar, high blood pressure
For the first time, scientists report a link between eating nuts and higher levels of serotonin in the bodies of patients with metabolic syndrome (MetS), who are at high risk for heart disease. Serotonin is ...
Nov 02, 2011 |
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Loyola testing new device for treating Atrial Fibrillation
Loyola University Medical Center is testing a high-tech catheter device that's intended to improve outcomes of patients treated for atrial fibrillation, the most common irregular heartbeat.
Sep 15, 2011 |
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Rhythm is it: Ion channels ensure the heart keeps time
The heartbeat is the result of rhythmic contractions of the heart muscle, which are in turn regulated by electrical signals called action potentials. Action potentials result from the controlled flow of ions into heart muscle ...
Medicine & Health / Cardiology
Sep 09, 2011 |
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Scientists reveal new survival mechanism for neurons
(Medical Xpress) -- Nerve cells that regulate everything from heart muscle to salivary glands send out projections known as axons to their targets. By way of these axonal processes, neurons control target function and receive ...
Aug 30, 2011 |
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Bear bile chemical could help keep hearts in rhythm
A synthesised compound which is also found in bear bile could help prevent disturbances in the heart's normal rhythm, according to research published today in the journal Hepatology by a team from Imperial College London ...
Aug 02, 2011 |
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Sea squirt cells shed light on cancer development
Specialized structures used by cancer cells to invade tissues could also help them escape protection mechanisms aimed at eliminating them, a UA-led research team has discovered.
Jul 26, 2011 |
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Timothy syndrome mutations provide new insights into the structure of L-calcium channel
The human genome encodes 243 voltage-gated ion channels. Mutations in calcium channels can cause severe inherited diseases such as migraine, night blindness, autism spectrum disorders and Timothy syndrome, ...
Jul 14, 2011 |
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New method defibrillates heart with less electricity, pain (w/ video)
(Medical Xpress) -- Cornell scientists, in collaboration with physicists and physician-scientists in Germany, France and Rochester, N.Y., have developed a new -- and much less painful and potentially damaging -- method to ...
Jul 13, 2011 |
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New procedure treats atrial fibrillation
Doctors at Washington University School of Medicine in St. Louis are performing a new procedure to treat atrial fibrillation, a common irregular heartbeat.
Medicine & Health / Cardiology
Jun 28, 2011 |
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