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pacemaker at Biology News

UCSD team discovers specialized, rare heart stem cells in newborns

...xisting surgical procedures. If the cells maintain pacemaker function when placed in the intact heart, they might serve as biological pacemakers for infants born with heart block, which could also be valuable." After the isl1+ cells were found in newborn rats, the UCSD team used sophisticated genetic methods ...

Discovery clarifies role of peptide in biological clock

...nchronicity was restored, showing that VIP couples pacemaker cells and drives rhythms in slave cells. "VIP between SCN neurons is like a rubber band between the pendulums of two grandfather clocks, helping to synchronize their timing. Some researchers had proposed that knocking out VIP or the receptor for it ...

What Makes The Brain Tick, Tick, Tick: Researchers Gaining New Insights Into Brain's Internal Clock

...where in the brain lurks an independent biological pacemaker that regularly emits neural timing pulses or "ticks." However, more recent research by Meck and his colleagues at Duke, has led to the development of a "striatal beat frequency" model of interval timing involving the "coincidence detection" of oscill...

Cyberkinetics, Case to develop system to help restore extremity function

... the body to restore or improve function. A heart pacemaker is one example of an FES System. Another example of an FES System is one which employs an electrical current to restore movement by initiating muscle contractions in paralyzed extremities. The main components of an FES system are the electrodes, th...

Bare metal stents deliver gene therapy to heart vessels with less inflammation in animal studies

...re artificial joints and orthopedic pins and rods, pacemaker electrodes, and titanium tooth implants. "The results of our study may have broader implications for other diseases in which implantable medical devices may be used to deliver gene therapy," said Dr. Levy. Dr. Levy's co-authors included Ilia Fishbei...

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pacemaker at Biology Products
pacemaker at Biology Technology
pacemaker at Biology Definition

Ion channel

...d in important physiological processes such as the pacemaker activity in the heart, insulin release, and potassium uptake in glial cells. Certain channels respond to multiple influences. For instance, the NMDA receptor is partially activated by interaction with its ligand, glutamate , but is also voltage...
pacemaker at Biology Dictionary

Plateau

...nian plateau . Full article >>> In pacemaker and other cardiac muscle cells , inward calcium currents determine shape and duration of the plateau phase, which in turn controls the strength and duration of contr action . Full article >>> Although growth is expected to platea...

Biogeography

...ism that involves both an internal self-sustaining pacemaker and cyclic environment al synchronizers. Full article >>> Biogeography studies the spatial distribution of organ isms on the Earth, focusing on topics like plate tectonics , climate change, dispersal and migration , and cladis...
pacemaker at Medicine News

Alerts for safety of heart device

...egulate the heart rhythm. Many depend on either a pacemaker or an implantable defibrillator to keep their hear... increase of 49 per cent in patients fitted with a pacemaker or defibrillator. Fifty two warnings were issued covering nearly half a million pacemakers and nearl...

New pacemaker reduces risk of heart failure

...y says heart failure victims who get a new kind of pacemaker have only half the usual risk of being hospitalized with worsening heart trouble.// The device, Medtronic's InSync pacemaker, has been implanted in more than 3,000 people in the US since its approval by the FDA. It is intended for people with a par...

Epilepsy Patients Could Benefit From Pacemakers

...n epilepsy patients. Treating the condition with a pacemaker could avert many of these deaths say researchers. All of the patients in the study received an implantable device to monitor their heart rhythms. Researchers followed the group for about two years. Over that time, the patients experienced a total of...

Withdrawal Notice Issued For Older Pacemakers Due To Malfunctioning of the Device

...n a higher than normal moisture content within the pacemaker late in its life. The manufacturers say that no ...lures have been reported in the first 44 months of pacemaker use but the likelihood of occurrence increases with implant time. According to the report there are ...

Making MRIs Safe for Patients With Implantable Heart Devices

...tanium being the most widely used metal for modern pacemaker casings, which is almost nonmagnetic. Tough scar tissue also forms around heart devices after implantation, therefore preventing movement without surgical incisions. Overall, the study finds, MRI testing yielded good images with minor distortions or...

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pacemaker at Medicine Products

Epicardial Lead Implant Tool

... the Medtronic Model 5071 lead on the heart during pacemaker implants. The tool furthers the trend moving away from invasive sternotomy procedures....

Model 3085 Dual-Chamber Temporary Pacemaker

The Model 3085 temporary pacemaker is designed to be used with cardiac pacing lead systems for temporary atrial or ventricular or A-V sequential pacing. The Model 3085 has applications where such pacing modes are indicated for therapeutic, prophylactic, or diagnostic purposes. The Mo...

Zymed DigiTrak Plus

... AA battery. Three channels of ECG recording and a pacemaker marker channel supported....

PACE 203 H

...presents todays standard in temporary dual chamber pacemaker technology....

Biomedical Systems' Cardiology Services

...cardiac event, blood pressure monitoring, ECG, and pacemaker data. We provide accurate, timely reports that are encoded and transmitted to our clients' offices quickly and efficiently. Single reports can be faxed anywhere in the world and verbal reports can be given instantly upon receiving transmissions....

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pacemaker at Medicine Technology
pacemaker at Medicine Dictionary

Virus

...ulations; Pacchioni, Antonio; pace; pacefollower; pacemaker ; pacemaker , artificial; pacemaker failure; pacemaker output; pacemaker potential; pacemaker sensitivit...

Vascular

... aneurysm clips, some artificial heart valves, pacemaker s, older vascular stent s) are not compatible with MRI . Full article >>> Kawasaki disease affects the vascular system, and is now the main cause of acquired heart disease in children. It is most common in people of Asian des...

Tachycardia

... sinoatrial ( sinus ) node which is the natural pacemaker of the heart . Full article >>> M...t ; ectopic hormone ; ectopic im pulse ; ectopic pacemaker ; ectopic pairing; ectopic pancreas ; ectopic pinealoma; ectopic pregnancy ; ectopic pregnancy , ...

Syndrome

...ulations; Pacchioni, Antonio; pace; pacefollower; pacemaker ; pacemaker , artificial; pacemaker failure; pacemaker output; pacemaker potential; pacemaker sensitivit...

Slow heart rate

...CD can sense the slow heart rate and act like a pacemaker , delivering low-energy impulses that stimulate the heart to beat normally. Recording heart activity. Full article >>> The most common side effects are fluid retention, flushing; high blood pressure ; unusually fast or slow hear...

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