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Topic: Pacemaker

	Artificial pacemaker - Wikipedia, the free encyclopedia
		A pacemaker (or "artificial pacemaker", so as not to be confused with the heart's natural pacemaker) is a medical device designed to regulate the beating of the heart.
		The purpose of an artificial pacemaker is to stimulate the heart when either the heart's native pacemaker is not fast enough or if there are blocks in the heart's electrical conduction system preventing the propagation of electrical impulses from the native pacemaker to the lower chambers of the heart, known as the ventricles.
		The pacemaker generator is a hermetically sealed device containing a power source and the computer logic for the pacemaker.
	en.wikipedia.org /wiki/Artificial_pacemaker (1330 words)

	PACEMAKER IMPLANTATION (Site not responding. Last check: 2007-11-06)
		Pacemakers are generally checked at least every 3 months to allow plenty of time to change the generator when it is running low on power.
		A special type of pacemaker that stimulates both the left and right ventricles of the heart simultaneously (a biventricular pacemaker) can reduce symptoms and the need to be rehospitalized in heart failure patients with weak heart muscle who demonstrate slow electrical conduction through the ventricles on their ECG.
		Because these pacemakers are specifically designed for patients with heart failure, they may also come with a monitor to detect the amount of fluid in the lungs or the strength of contraction of the heart muscle.
	www.healthyhearts.com /pacemaker.htm (943 words)

	Pacemaker - Wikipedia, the free encyclopedia
		Cardiac pacemaker is a group of cells within the heart that together initiate contractions and set the pace of beating.
		Brain pacemaker is a device which sends electrical impulses to the brain in order to relieve depression, epilepsy and other conditions.
		In sports, a pacemaker or pacer is a competitor who enters an athletics race with little or no intention of winning, but purely to set a fast pace for other competitors to follow.
	en.wikipedia.org /wiki/Pacemaker (198 words)

	Pacemaker for bradycardia
		A pacemaker is a battery-powered device about the size of a pocket watch that sends weak electrical impulses to “set a pace” so that the heart is able to maintain a regular heartbeat.
		This pacemaker varies its rate to cause the heart to beat faster when you are exercising to meet your body's increased needs or slower when at rest.
		Temporary pacemakers are worn outside the body and attached to the heart by a wire threaded through a neck vein, leg vein, or through the chest wall.
	my.webmd.com /hw/heart_disease/te7526.asp (560 words)

	ICU-USA - Tour - Pacemaker
		A pacemaker is a device that produces a low electrical current that stimulates the heart muscle to beat.
		Pacemakers may also be used in patients who are at high risk to develop slow heart rates.
		The insertion of internal pacemakers may be associated with minor bleeding, poor positioning of the special pacemaker catheter, and rarely a collapsed lung.
	www.icu-usa.com /tour/procedures/pacemaker.htm (358 words)

	Pacemakers - Texas Heart Institute Heart Information Center (Site not responding. Last check: 2007-11-06)
		When an electrical impulse is released from this natural pacemaker, it causes the upper chambers of the heart (the atria) to contract.
		Pacemakers can help pace the heart in cases of slow heart rate, fast and slow heart rate, or a blockage in the heart's electrical system.
		Pacemakers may also be used to stop the heart from triggering impulses or from sending extra impulses.
	www.tmc.edu /thi/pacemake.html (929 words)

	Read about the history of pacemakers, from the earliest to the most recent technological advances
		Pacemakers are prescribed for people of all ages whose hearts beat too slowly.
		Pacemakers detect the slow heart rate and send electrical impulses to the heart to stimulate the heart muscle to beat faster.
		Pacemaker and lead implants could now be done without opening the chest cavity or using general anesthesia.
	www.medtronic.com /brady/patient/pacemaker_history.html (744 words)

	Pacemaker placement
		A pacemaker can be used to replace the function of the natural pacemaker of the heart when the heart is beating too slowly.
		Pacemakers can be surgically placed into the chest (a permanent pacemaker) through a small incision, or they can be worn outside the body (a temporary pacemaker) and attached to the heart through a wire that is threaded through a neck vein.
		Pacemakers are inserted to treat bradycardia when the heart beats so slowly that it does not pump enough blood to meet the body's needs, resulting in symptoms such as fainting (syncope).
	my.webmd.com /hw/heart_disease/aa108101.asp (1151 words)

	Living With a Pacemaker (Site not responding. Last check: 2007-11-06)
		In addition, advances in pacemaker circuitry have reduced the interference risk from certain machinery, such as microwaves, which in the past may have altered or otherwise affected the pacemaker.
		Pacemakers currently being manufactured should not be affected by these security devices, as long as its wearer moves through and away from the detector at a normal speed.
		Once the pacemaker has been implanted, children with pacemakers should be able to do the same activities everyone else in their age group is doing: living normally.
	www.chw.org /display/router.asp?DocID=3084 (1368 words)

	Pacemaker - CardiologyChannel
		Pacemakers are battery-powered implantable devices that function to electrically stimulate the heart to contract and thus to pump blood throughout the body.
		Pacemakers consist of a pager-sized housing device which contains a battery and the electronic circuitry that runs the pacemaker, and one or two long thin wires that travel through a vein in the chest to the heart.
		Pacemakers are usually implanted in patients in whom the heart's own "spark plug" or electrical system is no longer functioning normally.
	www.cardiologychannel.com /pacemaker (553 words)

	Implantable pacemaker definition - Medical Dictionary definitions of popular medical terms
		Implantable pacemaker: A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm.
		An internal pacemaker is one in which the electrodes into the heart, the electronic circuitry and the power supply are implanted (internally) within the body.
		Pacemakers may function continuously and stimulate the heart at a fixed rate or at an increased rate during exercise.
	www.medterms.com /script/main/art.asp?articlekey=7476 (399 words)

	Procedure: Pacemaker
		A pacemaker is a small device that sends small electrical impulses to the heart muscle to maintain a suitable heart rate or to stimulate the lower chambers of the heart (ventricles).
		A pacemaker may also be used to treat fainting spells (syncope), congestive heart failure and hypertrophic cardiomyopathy.
		Pacemakers are also used to treat syncope (unexplained fainting spells), heart failure and hypertrophic cardiomyopathy.
	www.clevelandclinic.org /heartcenter/pub/guide/tests/procedures/pacemaker.htm (2452 words)

	Pacemaker - Follow-Up - CardiologyChannel
		Checking the pacemaker at periodic intervals is important because over time the pacemaker's battery will wear down and because there is a small chance that one of the electrical leads implanted in the heart can "fracture" or malfunction.
		An electric cautery device used during other surgeries can "confuse" the pacemaker, and the pacemaker may mistake the electric impulse generated by the cautery device for the electric impulses generated by the heart itself.
		Therefore, patients with pacemakers should be sure the surgeon who is to perform the procedure is aware that they have a pacemaker.
	cardiologychannel.com /pacemaker/followup.shtml (502 words)

	PACEMAKER - Definition
		A pacemaker is something which initiates an action and controls the rhythm of a series of actions.
		The physiologic pacemaker of the heart is the sinus node.
		An artificial pacemaker is a device implanted in a patient which functions when the physiologic pacemaker fails.
	www.hyperdictionary.com /dictionary/pacemaker (116 words)

	Pacemakers
		The term "artificial pacemaker" is used for a small battery-operated device that helps the heart beat in a regular rhythm.
		If you have an artificial pacemaker, be aware of your surroundings and the devices that may interfere with pulse generators.
		If you depend on your pacemaker for normal heart pacing, the electrocardiogram (ECG) should be monitored during the treatment, and your pulse generator should be tested often after and between radiation sessions.
	www.americanheart.org /presenter.jhtml?identifier=24 (1090 words)

	CHEST: Aggressive pacemaker twiddler's syndrome: dislodgement of an active fixation ventricular pacing electrode (Site not responding. Last check: 2007-11-06)
		Pacemaker twiddler's syndrome is the phenomenon whereby a pacemaker patient may actively dislodge a pacing electrode by manipulating, often unconsciously, the permanent implanted pacemaker.
		The pacemaker pocket was created beneath the pectoralis major muscle, and the pacemaker was sutured to the pectoralis minor muscle.
		The pacemaker-twiddler's syndrome: a new complication of implantable transvenous pacemakers.
	www.findarticles.com /p/articles/mi_m0984/is_n3_v97/ai_13228398 (962 words)

	If your child needs a pacemaker (Site not responding. Last check: 2007-11-06)
		You are born with your own natural pacemaker installed in your heart, called the sino-atrial node, or sinus node.
		Most pacemakers given to children will be able to sense when the child’s heart beat needs to be faster- for example when the child is running around.
		Mention the pacemaker to a dentist or doctor who is likely to administer any treatment using an electrical or magnetic implement.
	www.childrens-heart-fed.org.uk /pacemake.htm (933 words)

	PACEMAKER (Site not responding. Last check: 2007-11-06)
		A pacemaker is a small device that helps regulate your heart rate.
		With a transvenous pacemaker, the generator is worn outside your body in a small pouch.
		The leads are connected to the generator, and the pacemaker is programmed especially for the needs of your heart.
	www.medformation.com /ac/mm_qdis.nsf/qd/nd0154g.htm (798 words)

	Telephone Pacemaker Clinic (Site not responding. Last check: 2007-11-06)
		The Telephone Pacemaker follow-up clinic is located in the cardiology department, on the third floor of the Lindeman Pavilion.
		Telephone pacemaker follow-up is a way of checking to make sure that your pacemaker is working properly.
		After your pacemaker has been put in or "implanted," a cardiologist will see you and ask that you "enroll" in the Telephone Follow-up Clinic.
	www.virginiamason.org /dbHeart/sec1359.htm (232 words)

	VVI pacemaker 12 lead (Site not responding. Last check: 2007-11-06)
		This is an interesting mode, where the ventricular rate is set and the pacemaker acts like a VVI pacemaker, that is, the ventricular part of the pacemaker (yellow arrow) is completely independent of the atrium and sets a lower rate for the ventricle.
		The pacemaker is set to a rate of 50/min., with an A/V delay of 260ms.
		The pacemaker is set to a rate of 70/min, with an A/V delay of 260ms.
	sprojects.mmi.mcgill.ca /heart/EKGtext/egbr000319r006.html (390 words)

	Pacemaker - Page 1 - HeartCenterOnline:
		In some cases, if this natural “pacemaker” is dysfunctional for some reason, a physician may opt to use an artificial electronic device called a pacemaker to stimulate the heart.
		Pacemakers are most commonly used to correct an abnormally slow heartbeat by sending electrical impulses to one or more chambers of the heart.
		A permanent pacemaker is implanted into a patient’s chest during a minor surgical procedure.
	heart.healthcentersonline.com /pacemaker/pacemaker.cfm (552 words)

	pacemaker failure
		Pacemakers are powered by generators that run out of energy over time.
		If the pacemaker stops working and is left in place, it will do no harm, but of course, it will not do what it was initially placed for.
		However, in the future, she should have her pacemaker examined routinely, to make sure it is functioning appropriately.
	www.medhelp.org /forums/cardio/archive/1037.html (393 words)

	CHEST: Faulty Design Resulting in Temporary Pacemaker Failure - ) (Site not responding. Last check: 2007-11-06)
		A dual-chamber temporary pacemaker generator was turned on but rafted to discharge; instead, an obscure error message appeared on the liquid crystal display of the pacemaker.
		The pacemaker cannot be turned off, nor can it be "reset." In order to correct the situation, the battery drawer must be opened and then the drawer must be reinserted.
		When the manufacturer was informed of this incident, the company agreed to design a sticker to be affixed to the pacemaker that would inform those using the pacemaker the steps that must be taken to clear the error code.
	www.findarticles.com /p/articles/mi_m0984/is_2_120/ai_77806184 (1000 words)

	Pacemaker - Heart Disease and other cardiovascular conditions on MedicineNet.com
		A pacemaker is an electronic device used to treat patients who have symptoms caused by abnormally slow heartbeats.
		If the patient's heart is beating too slowly, the pacemaker will generate electrical signals similar to the heart's natural signals, causing the heart to beat faster.
		The purpose of the pacemaker is to maintain heartbeats so that adequate oxygen and nutrients are delivered through the blood to the organs of the body.
	www.medicinenet.com /pacemaker/article.htm (666 words)

	PaceMaker FAQ (Site not responding. Last check: 2007-11-06)
		PaceMaker is a plug-in module for Winamp2 player, enabling controlling the sound tempo, pitch and playback rate independently from each other.
		Yes, PaceMaker can be distributed on own WWW pages, as a part of a program collection or a publication as far as no changes are made to the PaceMaker software or installation package, and no other payment is demanded for PaceMaker plug-in except for reasonable delivery costs.
		The PaceMaker software can be distributed as a part of a program collection or a publication, as far as no changes are made to the PaceMaker software or installation package, and no other payment is demanded for PaceMaker plug-in except for reasonable delivery costs.
	sky.prohosting.com /oparviai/pacemaker/pacemaker1_faq.html (2681 words)

	Cardiac Pacemakers From the Patient's Perspective -- Wood and Ellenbogen 105 (18): 2136 -- Circulation (Site not responding. Last check: 2007-11-06)
		The pacemaker itself is placed under the skin below the collarbone.
		Wires are placed through the blood vessel beneath the collarbone to the heart and are connected to the pacemaker.
		A dual chamber pacemaker is shown here that has wires to both the upper (atrium) and lower (ventricle) chambers of the right side of the heart.
	circ.ahajournals.org /cgi/content/full/105/18/2136 (773 words)

	Pacemaker definition - Medical Dictionary definitions of popular medical terms
		The natural pacemaker of the heart is the sinus node, one of the major elements in the cardiac conduction system, the system that controls the heart rate.
		A pacemaker can also be programmed to detect an overly long pause between heartbeats, and then stimulate the heart.
		Biventricular Pacemaker - Information on the biventricular pacemaker procedure, who is a candidate for a biventricular pacemaker, and what happens during and after the procedure.
	www.medterms.com /script/main/art.asp?articlekey=11866 (517 words)

	Pacemaker Club (Site not responding. Last check: 2007-11-06)
		All about the pacemaker itself, the leads, the implantation, programming and functions, complications, symptoms that require a pacemaker and more.
		I was told to stop focusing on my heart and the pacemaker but every time I went to the hospital I made sure I got copies of every print-out, test and papers written by the doctors.
		To be able to help you American pacemaker recipients I need positive and negative case stories with symptoms before the operation and how it all worked out after and what kind of problems or good experiences have followed.
	www.pacemakerclub.com /print.php?sid=445 (355 words)

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