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Topic: Heart

Related Topics

Left atrium

Heart (disambiguation)

Atrium (anatomy)

Ventricle (heart)

Tricuspid valve

Cardiology

Purkinje fibers

Heart valve

Congestive heart failure

Coronary circulation

Circulatory system

Cardiovascular system

Systole

	BBC Science & Nature - Human Body and Mind - Organ Layer
		So, your heart has a tiny group of cells known as the sinoatrial node that is responsible for coordinating heart beat rate across your heart.
		However, when you are relaxed, your parasympathetic nervous system sets a resting heart beat rate of about 70 beats per minute, (resting heart rate is usually between 72-80 beats per minute in women and 64-72 beats per minute in men).
		On average, your maximum heart rate is 220 beats per minute minus your age.
	www.bbc.co.uk /science/humanbody/body/factfiles/heart/heart.shtml (692 words)

	The Heart: An Online Exploration
		In an average lifetime, the heart beats more than two and a half billion times, without ever pausing to rest.
		Learn how to have a healthy heart and how to monitor your heart's health.
		To learn more about the heart, try taking a look at some recommended resource materials, enrichment activities, and a brief glossary.
	sln.fi.edu /biosci/heart.html (212 words)

	Heart Disease (Site not responding. Last check: 2007-11-05)
		Heart disease is a number of abnormal conditions affecting the heart and the blood vessels in the heart.
		A heart attack occurs when an artery is severely or completely blocked, and the heart does not get the blood it needs for more than 20 minutes.
		Heart failure occurs when the heart is not able to pump blood through the body as well as it should.
	www.4woman.gov /faq/heartdis.htm (2440 words)

	Howstuffworks "How Your Heart Works"
		Heart disease is the leading cause of death in the United States.
		The first heart sound (lub) is caused by the acceleration and deceleration of blood and a vibration of the heart at the time of the closure of the tricuspid and mitral valves.
		The second heart sound (dub) is caused by the same acceleration and deceleration of blood and vibrations at the time of closure of the pulmonic and aortic valves.
	health.howstuffworks.com /heart.htm (511 words)

	Howstuffworks "How Your Heart Works"
		Heart disease is the leading cause of death in the United States.
		The first heart sound (lub) is caused by the acceleration and deceleration of blood and a vibration of the heart at the time of the closure of the tricuspid and mitral valves.
		The second heart sound (dub) is caused by the same acceleration and deceleration of blood and vibrations at the time of closure of the pulmonic and aortic valves.
	www.howstuffworks.com /heart.htm (511 words)

	Heart - Wikipedia, the free encyclopedia
		The heart is a hollow, muscular organ in vertebrates, responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods.
		The heart is usually felt to be on the left side because the left heart (left ventricle) is stronger (it pumps to all body parts).
		The heart is enclosed by a sac known as the pericardium and is surrounded by the lungs.
	en.wikipedia.org /wiki/Heart (1432 words)

	JewishEncyclopedia.com - HEART (Site not responding. Last check: 2007-11-05)
		That the heart is the seat of emotion is the generally accepted opinion of all investigators into the psychology of the Bible, though Carl Grüneisen ("Der Ahnenkultus und die Urreligion Israels," p.
		In this use "heart" has gone over into the English language as a Hebraism when mention is made of the "heart" or "core" (Latin "cor") of a subject or object, meaning its central or innermost part, its central idea or essence.
		The heart being the center of personal life, and in fact of man's collective energies, as well as the laboratory for the appropriation and assimilation of every influence, the moral and religious conditions of man wholly depend upon it.
	www.jewishencyclopedia.com /view.jsp?artid=468&letter=H&search=heart (1364 words)

	Howstuffworks "How Your Heart Works"
		Heart disease is the leading cause of death in the United States.
		The heart is a hollow, cone-shaped muscle located between the lungs and behind the sternum (breastbone).
		So the right side of the heart pumps blood to the lungs first to pick up oxygen before going to the left side of the heart where it is returned to the body full of oxygen.
	science.howstuffworks.com /heart.htm (985 words)

	Heart (band) - Wikipedia, the free encyclopedia
		Heart is an American band formed in Seattle, Washington.
		By early 1977, Heart had switched to CBS subsidary Portrait, a move that resulted in a prolonged legal fight with Siegel.
		Heart's Heart: 20 Years of Rock and Roll was the first CD-ROM multimedia biography/greatest-hits package ever released.
	en.wikipedia.org /wiki/Heart_(band) (987 words)

	Heart Smart
		The heart is made of a special kind of muscle called myocardium, and is enclosed in a double-layered, membranous sac called a pericardium.
		The heart lies in the chest cavity between the lungs.
		Heart Attack and Strokes are the outward signs of heart disease, namely the accumulation of arterial plaque which slowly constricts or closes arterial passageways, causing life threatening conditions.
	www.mamashealth.com /organs/heart.asp (611 words)

	Heart
		The heart is about the size of a fist and contracts rhythmically to pump blood to the lungs and to the rest of the body.
		Transplantation is performed for many heart conditions, but the two most common heart diseases leading to transplantation are coronary artery disease (narrowing or hardening of the coronary arteries) and cardiomyopathy (weakening of the heart muscle).
		Heart transplant patients are then required to stay in the London area for another two months for medical tests (such as heart biopsies) and physiotherapy (exercise program) in the Transplant Outpatient Clinic.
	www.lhsc.on.ca /transplant/heart.htm (601 words)

	Heart (Site not responding. Last check: 2007-11-05)
		"Silent Heart Attack" is when a person has a heart attack but feels no pain or other symptoms, and so does not even realise that he or she has had an attack.
		Heart Failure is the condition where the heart ceases to function properly due to heart diseases like hypertension, heart attack, diseases of the heart valves and severe anaemia.
		Heart failure occurs because of heart diseases like hypertension, heart attack, diseases of the valves of the heart and severe anaemia.
	www.seniorindian.com /heart.htm (589 words)

	Heart and Circulatory System
		From the hard-working heart, to our thickest arteries, to capillaries so thin that they can only be seen through a microscope, the cardiovascular system is our body's lifeline.
		Heart and circulatory problems are grouped into two categories: congenital, which means the problems were present at birth, and acquired, which means that the problems developed some time when a person was a kid or teen.
		A heart murmur is an abnormal sound (like a blowing or whooshing sound) that's heard when listening to the heart.
	kidshealth.org /teen/your_body/body_basics/heart.html (2120 words)

	CNN - Health
		Two newly published studies indicate that a laser drill treatment for heart patients appears to relieve chest pain, but some cardiologists are questioning whether the surgery's benefits are merely an illusion.
		A heart drug has been found to delay blindness in mice with a condition resembling retinitis pigmentosa, raising hopes in the battle against the genetic disorder that afflicts up to 200,000 Americans.
		Heart disease, once rare among Native American Indians, has become their leading cause of death, and doctors at the University of Arizona are trying to reverse that trend by combining modern medicine with traditional native healers.
	www.cnn.com /HEALTH/heart (410 words)

	CHF 1
		Heart failure occurs when the heart is unable to pump enough blood to meet the usual demands of the body.
		Heart failure is a common condition that affects more than 4.5 million people in the USA, with nearly half a million new cases being diagnosed each year.
		Heart failure is responsible for >11 million visits to a physician's office and results in 3.5 million hospitalizations per year.
	www.heartsite.com /html/chf.html (663 words)

	Avoid heart disease
		According to the American Heart Association, about 62 million Americans have some form of cardiovascular disease, which can include high blood pressure, coronary heart disease (heart attack and chest pain), stroke, birth defects of the heart and blood vessels, and congestive heart failure, and close to a million die from such conditions every year.
		Heart disease is by far the #1 killer in the U. S., although 1/3 of those deaths could be prevented if people exercised more and followed better diets, the American Heart Association said in an annual report.
		The triggering event for heart disease is the build-up of calcium inside the individual cells of the artery, causing that area to become rigid - not flexible.
	www.healingdaily.com /conditions/heart-disease.htm (2410 words)

	The 5 Organs Network of Chinese Medicine - Heart
		The heart, therefore, is the root of life, the seat of shen, the master of blood, and the commander of the vessels.
		Since the heart is above and the kidney below, it is one of the critical physiological tasks to connect and mingle the energies of the heart and the kidney despite the natural tendency of water to flow down and fire to flare up.
		In this case, the heart and the kidney need to be "reconnected" by clearing heart fire (descending heart fire) and steaming kidney water (ascending kidney water); an example is using a small amount of bitter coptis to reduce the heart fire with a small amount of hot spicy cinnamon to steam the kidney water.
	www.itmonline.org /5organs/heart.htm (6965 words)

	Lemuria.org - Heart Software (Site not responding. Last check: 2007-11-05)
		Heart is a basic framework for a high-availability implementation.
		Heart does not care about what kind of service the cluster provides, nor what kind of action needs to be taken when a node goes down.
		On the more technical level, Heart exchanges heartbeats among all nodes and keeps a distributed database about those, noticing when the heartbeat from one node stop and calling an external script to cope with the problem.
	www.lemuria.org /Heart (472 words)

	Heart Center
		It was among the first in the nation to offer a newly developed cardiac resynchronization therapy for pacing contractions in three of the four chambers of the heart and our surgeons are experienced in performing "beating heart" bypass surgery when appropriate.
		The first case was done in 1988, and now heart surgeons are performed more than 800 procedures a year, including coronary artery bypass and complex heart valve surgery.
		Coastal Heart Cares - A support group for people who have been diagnosed with heart disease, Coastal Heart Cares features speakers and opportunities for attendees to talk to each other about their experiences.
	www.nhhn.org /body.cfm?id=1682 (438 words)

	Maryland Heart Center - Heart Transplantation
		By replacing hearts which have ceased to function effectively, the program has given new life -- new energy and new possibilities -- to people whose lives had been restricted by debilitating disease.
		Heart transplantation is just one of a spectrum of treatment options offered for heart patients at the University of Maryland.
		In addition, we are committed to developing promising new approaches to the care of individuals with end-stage heart and lung disease.
	www.umm.edu /heart/transplantation.html (295 words)

	GoVeg.com // Health Issues // Heart Disease
		The heart is arguably the hardest working muscle in the body, pumping blood, oxygen, and nutrients to all the body’s organs.
		Heart disease is the number one health problem in the United States today and, according to the American Heart Association, the single leading cause of death.
		Mortality rates for heart disease are higher than those of all forms of cancer combined, and more than 700,000 people die from the disease every year.
	www.goveg.com /heartdisease.asp (596 words)

	Anatomy of the Human Heart - Texas Heart Institute Heart Information Center
		The heart weighs between 7 and 15 ounces (200 to 425 grams) and is a little larger than the size of your fist.
		Your heart is located between your lungs in the middle of your chest, behind and slightly to the left of your breastbone (sternum).
		The outer layer of the pericardium surrounds the roots of your heart's major blood vessels and is attached by ligaments to your spinal column, diaphragm, and other parts of your body.
	texasheart.org /HIC/Anatomy/Anatomy.cfm (697 words)

	CATHOLIC ENCYCLOPEDIA: Devotion to the Sacred Heart of Jesus
		Sacred Heart as understood and approved by the Church, and the same must also be said of devotion to the love of Jesus as detached from His Heart of flesh, or else connected therewith by no other tie than that of a word taken in the metaphorical sense.
		It is eminently proper that the heart as an emblem be distinguished from the anatomical heart: the suitableness of the image is favourable to the expression of the idea.
		But the relation of the Heart to the love of Christ is not that of a purely conventional sign, as in the relation of the word to the thing, or of the flag to the idea of one's country; this Heart has been and is still inseparably connected with that
	www.newadvent.org /cathen/07163a.htm (4160 words)

	Amazon.com: Heart: Music: Heart (Site not responding. Last check: 2007-11-05)
		Heart had their first number one song, three more top ten singles, and an additional Hot 100 hit from this record which proves my point -- this is pure pop.
		Some Heart fans like to pretend that 1985's self-titled Heart album never happened, but the band's makeover as a keyboard-heavy AOR act gave their career a much needed shot in the arm, as well as some much deserved attention.
		Heart, the album is very well produced and written, my only pproblem with it is that most of the material on the album was not written by the stellar team of Ann Wilson, Nancy Wilson,and Sue Ennis.
	www.amazon.com /Heart/dp/B000002U9C (1736 words)

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