News tagged with cardiac
Heart-powered pacemaker could one day eliminate battery-replacement surgery
A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.
Mar 02, 2012 |
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A heart of gold: Better tissue repair after heart attack (Update)
A team of researchers at MIT and Children’s Hospital Boston has built cardiac patches studded with tiny gold wires that could be used to create pieces of tissue whose cells all beat in time, mimicking ...
Nanotechnology / Bio & Medicine
Sep 25, 2011 |
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Scientists use silk from the tasar silkworm as a scaffold for heart tissue
(PhysOrg.com) -- Damaged human heart muscle cannot be regenerated. Scar tissue grows in place of the damaged muscle cells. Scientists from the Max Planck Institute for Heart and Lung Research in Bad Nauheim ...
Jan 30, 2012 |
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Bioengineers develop artificial chip for testing how drugs interact with ion channels
(Phys.org) -- Ion channels, proteins embedded in cell membranes, are central to many of the human body's physiological processes, including cardiac activity. For this reason, they are also important targets for cardiac drugs. ...
Apr 10, 2012 |
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Tracing an elusive killer parasite in Peru
Despite what Hollywood would have you believe, not all epidemics involve people suffering from zombie-like symptoms--some can only be uncovered through door-to-door epidemiology and advanced mathematics.
Sep 27, 2011 |
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Tiny new tool to track heart rate in real time on a smartphone (w/ video)
Thanks to an invention from two EPFL laboratories, patients and their doctors can now immediately be made aware of heart rate anomalies and can thus quickly take any necessary medical measures. The device is very small, non-invasive ...
Oct 19, 2011 |
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How do you mend a broken heart?
Damaged heart tissue is not known for having much inherent capacity for repair. But now, scientists are closing in on signals that may be able to coax the heart into producing replacement cardiac muscle cells. Using a zebrafish ...
Dec 22, 2011 |
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For the dogs: Team performs open-heart canine surgeries
Plagued with a defective heart valve that caused fluid accumulation in his lungs, Leo was in need of serious medical help.
Jan 19, 2012 |
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