pacemaker

[n] - a specialized bit of heart tissue that controls the heartbeat 2. [n] - an implanted electronic device that takes over the function of the natural cardiac pacemaker
Found on http://www.webdictionary.co.uk/definition.php?query=pacemaker

Pacemaker

A small electronic device that can be implanted in the chest to help the heart beat regularly. If you have a pacemaker, you cannot have an MRI scan as these scans are magnetic and can interfere with how your pacemaker works.
Found on http://www.cancerhelp.org.uk/utilities/glossary/index.htm?search=p

Pacemaker

a small electronic device that is surgically implanted to stimulate the heart muscle to provide a normal heartbeat
Found on http://www.medichecks.com/glossary.cfm?ltr=P

Pacemaker

An electrical device, which stimulates the heart muscle to contract and controls heart
Found on http://www.dwp.gov.uk/medical/med_conditions/glossary.html

Pacemaker

Our Pacemaker Main Article provides a comprehensive look at the who, what, when and how of Pacemaker Pacemaker: A system that sends electrical impulses to the heart in order to set the heart rhythm. The pacemaker can be the normal 'natural' pacemaker of the heart or it can be an electronic device. The natural pacemaker of the heart is the sinus nod...
Found on http://www.medterms.com/script/main/art.asp?articlekey=11866

Pacemaker

A registered trade mark of Portakabin Limited for a building in our range of high-quality, relocatable accommodation.
Found on http://www.portakabin.co.uk/about/glossary/

pacemaker

1. <apparatus, physiology> An object or substance that influences the rate at which a certain phenomenon occurs, often used alone to indicate the natural cardiac pacemaker or an artificial cardiac pacemaker. ... 2. <biochemistry> A substance whose rate of reaction sets the pace for a series of interrelated reactions. ... (24 Mar 1998) ....
Found on http://www.encyclo.co.uk/local/20973

pacemaker

cardiac pacemaker noun a specialized bit of heart tissue that controls the heartbeat
Found on http://wordnetweb.princeton.edu/perl/webwn?s=pacemaker

pacemaker

artificial pacemaker noun an implanted electronic device that takes over the function of the natural cardiac pacemaker
Found on http://wordnetweb.princeton.edu/perl/webwn?s=pacemaker

pacemaker

pacesetter noun a horse used to set the pace in racing
Found on http://wordnetweb.princeton.edu/perl/webwn?s=pacemaker

pacemaker

(pās´ma-kәr) an object or substance that controls the rate at which a certain phenomenon occurs. cardiac pacemaker. in biochemistry, a substance whose rate of reaction sets the pace for a series of interrelated reactions.
Found on http://www.encyclo.co.uk/local/21001

pacemaker

(from the article `nervous system`) Finally, pacemaker systems are present in animals with nerve nets. In the sea anemone Metridium these systems are expressed in a series of ... ...the heart muscle by the nervous system, cardiac muscle contraction will continue in excised hearts with no connection to the central nervous ... [2 relat...
Found on http://www.britannica.com/eb/a-z/p/1

pacemaker

electronic cardiac-support device that produces rhythmic electrical impulses that take over the regulation of the heartbeat in patients with certain ... [4 related articles]
Found on http://www.britannica.com/eb/a-z/p/1

pacemaker

an object or substance that influences the rate at which a certain phenomenon occurs; often used alone to indicate the natural cardiac pacemaker or an artificial cardiac pacemaker. In biochemistry, a substance whose rate of reaction sets the pace for a series of interrelated reactions.
Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio63.html

Pacemaker

[software] Pacemaker is open source high availability resource manager software used on computer clusters since 2004. Until about 2007, it was part of the Linux-HA project, then was split out to be its own project. It implements several APIs for controlling resources, but its preferred API for this purpose is the Open Cluster Framework reso...
Found on http://en.wikipedia.org/wiki/Pacemaker_(software)

pacemaker

Type: Term Pronunciation: pās′māk-ĕr Definitions: 1. Biologically, any rhythmic center that establishes a pace of activity. 2. An artificial regulator of rate activity. 3. In chemistry, the substance of which the rate of reaction sets the pace for a series of chain reactions; the rate-limiting reaction itself, in a metabolic pa...
Found on http://www.medilexicon.com/medicaldictionary.php?t=64326

pacemaker

body part, such as the sinoatrial node of the heart, that serves to establish and maintain, involuntarily, rhythmic electrical activity
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=891-02-11

pacemaker

Contents • Who needs a pacemaker? • How it works • During surgery • After surgery • Risks • Lifestyle effects Pacemaker Image credit: Medtronic A pacemaker is a small device that's placed under the skin of the chest or abdomen to help control abnormal hear...
Found on http://www.daviddarling.info/encyclopedia/P/pacemaker.html

Pacemaker

A pacemaker is a small battery-operated electronic device that is used to help the heart beat regularly. Can be used in the treatment of arrhythmia. (Read about 'Arrhythmia')
Found on http://www.stayinginshape.com/3osfcorp/libv/h15.shtml

Pacemaker

The cardiac pacemaker.a small area of specialized tissue within the wall of the right atrium of the heart whose spontaneous electrical activity initiates and controls the beat of the heart. An artificial pacemaker is an electronic device that stimulates the heart muscles by delivery small electric shocks to it, thereby taking over the role of the c...
Found on http://www.probertencyclopaedia.com/browse/EP.HTM

pacemaker

In vertebrates, a group of muscle cells in the wall of the heart that contracts spontaneously and rhythmically, setting the pace for the contractions of the rest of the heart. The pacemaker's intrinsic rate of contraction is increased or decreased, according to the needs of the body, by stimulation from the autonomic nervous system. The term al...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0006201.html

PACEMAKER

Nerve tissue that controls the heart's rate of contraction and relaxation; also known as the sinoatrial node. An artificial pacemaker is an electrical device implanted surgically to treat abnormally slow heart rhythms (bradycardias).
Found on http://www.thehorse.com/Glossary.xhtml?L=P

pacemaker

(pas;ma;ker) A group of cells that has the fastest spontaneous rate of depolarization and contraction in a mass of electrically coupled cells; in the heart, this is the sinoatrial, or SA, node.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml

pacemaker

(pas;ma;ker) A group of cells that has the fastest spontaneous rate of depolarization and contraction in a mass of electrically coupled cells; in the heart, this is the sinoatrial, or SA, node.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml

pacemaker

An electronic device that is implanted in the body to monitor heart rate and rhythm. It gives the heart electrical stimulation when it does not beat normally. It runs on batteries and has long, thin wires that connect it to the heart. Also called artificial pacemaker and cardiac pacemaker.
Found on http://www.cancer.gov/dictionary?expand=P
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