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Topic: Ventricular fibrillation

Related Topics

Defibrillation

Sudden cardiac death

Short QT syndrome

Cardioversion

Asystole

Electrocardiogram

Sinus rhythm

Cardiac arrest

Third degree heart block

Cardiac pump

Digoxin

Atrial fibrillation

Type 1 Second degree heart block

Arrhythmia

Amiodarone

	Ventricular fibrillation - Wikipedia, the free encyclopedia
		Ventricular fibrillation (V-fib or VF) is a cardiac condition which consists of a lack of coordination of the contraction of the muscle tissue of the large chambers of the heart that eventually leads to the heart stopping altogether.
		Ventricular fibrillation is a cause of cardiac arrest and sudden cardiac death.
		Idiopathic ventricular fibrillation occurs with a reputed incidence of approximately 1% of all cases of out-of-hospital arrest, as well as 3-9% of the cases of ventricular fibrillation unrelated to myocardial infarction and 14% of all ventricular fibrillation resuscitations in patients under the age of 40 [Viskin S et al 1990].
	en.wikipedia.org /wiki/Ventricular_fibrillation (2297 words)

	Encyclopedia article: Ventricular fibrillation (Site not responding. Last check: 2007-06-20)
		Ventricular fibrillation (V-fib) is a cardiac (additional info and facts about cardiac) condition which consists of a lack of coordination of the contraction of the muscle tissue of the large chambers of the heart (The hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions pump blood through the body).
		Ventricular fibrillation most commonly occurs within disease (An impairment of health or a condition of abnormal functioning) d hearts, and in the vast majority, it is a manifestation of underlying ischaemic heart disease.
		Ventricular fibrillation is also seen in those with cardiomyopathy (A disorder (usually of unknown origin) of the heart muscle (myocardium)), myocarditis (Inflammation of the myocardium (the muscular tissue of the heart)) and other heart pathologies.
	www.absoluteastronomy.com /encyclopedia/v/ve/ventricular_fibrillation.htm (9907 words)

	Ventricular Fibrillation
		Ventricular fibrillation (see figure 9B) is a terminal arrhythmia, uniformly requiring rapid initiation of emergency measures.
		Ventricular flutter (see figure 9B) with loss of consciousness and rapid unstable VT may be clinically equivalent to VF and is treated identically when accompanied by the clinical picture of cardiac arrest.
		Ventricular fibrillation may occur de novo, but among patients with out-of —hospital cardiac arrest, VT commonly precedes the onset of VF.
	www.rjmatthewsmd.com /Definitions/ventricular_fibrillation.htm (422 words)

	Read about Ventricular fibrillation at WorldVillage Encyclopedia. Research Ventricular fibrillation and learn about ... (Site not responding. Last check: 2007-06-20)
		atrial fibrillation it rarely reverses spontaneously in adult large mammals.
		Vulpian coined the term "mouvement fibrillaire", a term, which he seems to have used to describe both atrial and ventricular fibrillation [Vulpian A 1874].
		Electrocardiogram recording of Ventricular Fibrillation was by August Hoffman in a paper published in 1912 [Hoffman A 1912].
	encyclopedia.worldvillage.com /s/b/Ventricular_fibrillation (9707 words)

	Ventricular Fibrillation: Abnormal Heart Rhythms: Merck Manual Home Edition
		The most common cause of ventricular fibrillation is inadequate blood flow to the heart muscle due to coronary artery disease, as occurs during a heart attack.
		Ventricular fibrillation is diagnosed as the cause of the cardiac arrest by electrocardiography (ECG).
		When ventricular fibrillation occurs within a few hours of a heart attack in people who are not in shock and who do not have heart failure, prompt cardioversion restores normal rhythm in 95% of people, and the prognosis is good.
	www.merck.com /mmhe/sec03/ch027/ch027h.html (416 words)

	Ventricular fibrillation is the result of chaotic electrical activity of the heart muscle fibers, thus unable to ...
		Ventricular fibrillation is the result of chaotic electrical activity of the heart muscle fibers, thus unable to produce coordinated myocardial contraction
		Ventricular fibrillation is the result of chaotic electrical activity of the heart muscle fibers, thus making them unable to produce coordinated myocardial contraction.
		Ventricular fibrillation warrants the development of such technology due the urgency of the situation, with time the crucial determinant of survival.
	www.musc.edu /bmt737/Spr_1999/Kelly/eads.htm (1916 words)

	Gale Encyclopedia of Medicine: Ventricular fibrillation
		Ventricular fibrillation (V-fib) is the worst kind of abnormal heart rhythm, and is a form of cardiac arrest.
		Ventricular fibrillation is often associated with acute ischemic events (ischemia involves the deprivation of oxygenated blood to an area of tissue), and with chronic ischemic heart disease.
		The diagnosis of ventricular fibrillation is confirmed with an electrocardiogram.
	www.findarticles.com /p/articles/mi_g2601/is_0014/ai_2601001448 (573 words)

	NEJM -- Ventricular fibrillation in the Wolff-Parkinson-White syndrome
		Ventricular fibrillation occurred during atrial fibrillation, with rapid conduction over the accessory pathway, and these patients had a higher prevalence of both reciprocating tachycardia and atrial fibrillation (14 of 25 vs. 18 of 73, P = 0.004) and multiple accessory pathways (five of 25 vs. four of 73, P = 0.012).
		The shortest preexcitation R-R interval during atrial fibrillation was less in the group with ventricular fibrillation (mean shortest R-R, 180 vs. 240 milliseconds, P less than 0.0001) as was the average R-R interval (mean average R-R, 269 vs 340 milliseconds, P less than 0.0001).
		Ventricular pre-excitation in the general population: a study on the mode of presentation and clinical course.
	content.nejm.org /cgi/content/abstract/301/20/1080 (784 words)

	Encyclopedia: Ventricular fibrillation
		Ventricular fibrillation is a cardiac condition which consists of a lack of coordination of the contraction of the muscle tissue of the large chambers of the heart.
		Ventricular fibrillation is a cardiac condition which consists of a lack of coordination of the contraction of the muscle tissue of the large chambers of the
		ventricular tachycardia are the two most common causes of cardiac arrest.
	www.nationmaster.com /encyclopedia/Ventricular-fibrillation (290 words)

	Ventricular fibrillation definition - Medical Dictionary definitions of popular medical terms
		Ventricular fibrillation: An abnormal irregular heart rhythm whereby there are very rapid uncoordinated fluttering contractions of the lower chambers (ventricles) of the heart.
		Ventricular fibrillation disrupts the synchrony between the heartbeat and the pulse beat.
		Ventricular fibrillation is most commonly associated with heart attacks or scarring of the heart muscle from previous heart attack.
	www.medterms.com /script/main/art.asp?articlekey=5979 (224 words)

	eMedicine - Ventricular Fibrillation : Article by Amin Antoine Kazzi, MD (Site not responding. Last check: 2007-06-20)
		Background: Ventricular fibrillation (VF) is a pulseless arrhythmia with irregular and chaotic electrical activity and ventricular contraction in which the heart immediately loses its ability to function as a pump.
		Primary VF is fibrillation in the absence of shock or cardiac failure (described by sudden ischemic events or proarrhythmic conditions).
		Ventricular flutter is a variant of VF in which the electrocardiogram appears as a sine wave.
	www.emedicine.com /EMERG/topic633.htm (4491 words)

	eMedicine - Ventricular Fibrillation : Article by Michael E Zevitz, MD
		Unlike ischemic cardiomyopathy, increased asymptomatic ventricular ectopy and nonsustained VT are not predictive of VF in DCM.
		Sudden death due to ventricular arrhythmia has been reported in patients with hypocalcemia, hypothyroidism, and nutritional deficiencies associated with modified starvation diets and in patients who are obese and on severe weight-loss programs.
		Ventricular fibrillation appeared during rapid atrial fibrillation in a patient with Wolff-Parkinson-White syndrome.
	www.emedicine.com /med/topic2363.htm (10261 words)

	AllRefer Health - Ventricular Fibrillation (VF)
		Ventricular fibrillation (VF) is a severely abnormal heart rhythm (arrhythmia) that, unless treated immediately, causes death.
		VF is responsible for 75% to 85% of sudden deaths in persons with heart problems.
		Ventricular fibrillation is the main cause of sudden cardiac death, which in turn affects nearly 300,000 people each year in the U.S. While most people suffering from VF have no previous history of heart disease, many have risk factors for cardiovascular disease, such as smoking, hypertension, and diabetes.
	health.allrefer.com /health/ventricular-fibrillation-info.html (431 words)

	Ventricular fibrillation
		Ventricular fibrillation is a very rapid, uncoordinated, ineffective series of contractions throughout the lower chambers of the heart.
		If ventricular fibrillation occurs in the hospital in conjunction with a heart attack, defibrillation has a 95% success rate.
		A healthy lifestyle to reduce the risk of heart diseases which lead to ventricular fibrillation is the best prevention.
	www.healthatoz.com /healthatoz/Atoz/ency/ventricular_fibrillation.jsp (698 words)

	MedlinePlus Medical Encyclopedia: Ventricular fibrillation
		The person having VF suddenly collapses or falls unconscious, because the brain and muscles have stopped receiving blood from the heart.
		Ventricular fibrillation is a medical emergency and should be treated immediately to preserve life.
		Whether the person having VF suddenly falls unconscious at home or in the street, or the person is in the hospital (and VF is diagnosed from a cardiac monitoring station), it is indispensable to initiate immediate cardiopulmonary resuscitation (CPR).
	www.nlm.nih.gov /medlineplus/ency/article/007200.htm (1186 words)

	Ventricular Fibrillation
		Ventricular fibrillation (ven-TRIK'u-ler fib"rih-LA'shun) ("V fib") is a condition in which the heart's electrical activity becomes disordered.
		If treated in time, V fib and ventricular tachycardia (ven-TRIK'u-ler tak"eh-KAR'de-ah) (extremely rapid heartbeat) can be converted into normal rhythm.
		An estimated 2.2 million Americans are living with atrial fibrillation.
	www.americanheart.org /presenter.jhtml?identifier=4784 (196 words)

	Ischaemia related ventricular fibrillation: Guidant Lawsuit Information, FREE
		Ischaemia related ventricular fibrillation: Guidant Lawsuit Information, FREE
		Theories of ventricular fibrillation: Guidant Lawsuit Information, FREE
		Future verdicts or settlements cannot be predicted from prior results.
	www.weitzlux.com /guidant/defibrillation/ischaemia_1336.html (1024 words)

	Idiopathic ventricular fibrillation: Guidant Lawsuit Information, FREE
		Fill out the simple form below to contact an experienced defibrillator lawyer before your time limit runs out.
		Characteristics of the ventricular fibrillation waveform: Guidant Lawsuit Information, FREE
		Characteristics of the ventricular fibrillation waveform, FREE Guidant Defibrillator Lawsuit info
	www.weitzlux.com /guidant/defibrillation/ventricularfibrillation_1338.html (428 words)

	Ventricular Fibrillation - Page 1 - HeartCenterOnline:
		Ventricular fibrillation (VF) is a life threatening condition in which the heart ceases to beat regularly and instead “quivers” or fibrillates very rapidly – sometimes at 350 beats per minute or more.
		A person cannot survive this condition for long.
		', CAPTION, 'CPR');" ONMOUSEOUT="return nd();">CPR) may give him or her some extra time, but defibrillation is essential for surviving ventricular fibrillation.
	heart.healthcentersonline.com /arrhythmia/VentricularFibrillation.cfm (235 words)

	Sudden Cardiac Arrest can be caused by untreated ventricular fibrillation
		Sudden Cardiac Arrest can be caused by untreated ventricular fibrillation
		Ventricular fibrillation (VF) is a very fast, irregular heart rhythm in the lower heart chambers (ventricles).
		During VF the heart quivers and pumps little or no blood to the body.
	www.medtronic.com /vf (94 words)

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