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Topic: Ventricular tachycardia

Related Topics

ventricular tachycardia

Atrial tachycardia

paroxysmal supraventricular tachycardias

AV nodal reentrant tachycardia

AV reentrant tachycardia

Polymorphic ventricular tachycardia

His bundle tachycardia

Paroxysmal atrial tachycardia

Chaotic atrial tachycardia

sustained ventricular tachycardia

Familial ventricular tachycardia

Ventricular myocyte

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	MedlinePlus Medical Encyclopedia: Ventricular tachycardia
		Ventricular tachycardia is a potentially lethal disruption of normal heartbeat (arrhythmia) that may cause the heart to become unable to pump adequate blood through the body.
		Ventricular tachycardia is a potentially lethal arrhythmia and may result in an absent pulse.
		Ventricular tachycardia may become an emergency situation and may be require CPR, electrical defibrillation or cardioversion (electric shock), or intravenous anti-arrhythmic medications (such as lidocaine, procainamide, bretylium, or sotalol).
	www.nlm.nih.gov /medlineplus/ency/article/000187.htm (771 words)

	Incessant infant ventricular tachycardia (Site not responding. Last check: 2007-11-06)
		Ventricular tachycardia is an arrhythmia which is faster than sinus rhythm and which originates in the ventricles.
		Several types of ventricular tachycardia are encountered in infancy but the main significant arrhythmia is incessant infant ventricular tachycardia which presents between the age of three months and two years, usually with heart failure.
		Reported ventricular rates range from 167 - 440 with a mean of 260 per minute and the QRS most often shows a right bundle branch block / superior axis morphology indicating a posterior left ventricular origin for the tachycardia (see figure 1 and figure 2).
	www.orpha.net /static/GB/incessant_infant_ventricular_tachycardia.html (252 words)

	Ventricular Tachycardia \| AHealthyMe.com
		Ventricular tachycardia (V-tach) is a rapid heart beat that originates in one of the lower chambers (the ventricles) of the heart.
		Ventricular tachycardia which lasts more than 30 seconds is referred to as sustained ventricular tachycardia.
		A person susceptible to sustained ventricular tachycardia often has a small abnormal area in the ventricles that is the source of the trigger event.
	www.ahealthyme.com /topic/topic100587654 (547 words)

	ventricular tachycardia - General Practice Notebook (Site not responding. Last check: 2007-11-06)
		Ventricular tachycardia is defined as three or more consecutive ventricular beats at a rate above 100 bpm.
		Ventricular tachycardia usually occurs in a diseased heart.
		Ventricular tachycardia may be a complication of myocardial infarction.
	www.gpnotebook.co.uk /cache/-550174705.htm (134 words)

	Ventricular Tachycardia, Abnormal Heart Rhythms, THE MERCK MANUAL OF HEALTH & AGING
		If sustained ventricular tachycardia is triggered by such an event and does not recur within the next few days, it is unlikely to recur.
		Such a drug may not be prescribed if sustained ventricular tachycardia was triggered by an event such as a heart attack and is unlikely to recur.
		If ventricular tachycardia recurs despite treatment with antiarrhythmic drugs, electrophysiologic testing or exercise stress testing may be done while the person is given different antiarrhythmic drugs.
	www.merck.com /pubs/mmanual_ha/sec3/ch47/ch47d.html (450 words)

	Ventricular Tachycardia
		Ventricular tachycardia is a difficult clinical problem for the physician.
		Ventricular tachycardia is defined as three or more beats of ventricular origin in succession at a rate greater than 100 beats/minute.
		Ventricular tachycardia may be monomorphic (all QRSs with the same shape) or polymorphic (varying QRS shapes during the tachycardia).
	www.americanheart.org /presenter.jhtml?identifier=64 (1301 words)

	Polymorphic ventricular tachycardia (Site not responding. Last check: 2007-11-06)
		SupraVentricularTachycardia Support Group SVT or Supra Ventricular Tachycardia is a disorder where the heart starts to beat very hard and very fast for no apparent reason.
		Supraventricular Tachycardia Information on supraventricular tachycardia, an arrhythmia disorder of the heart, written by a patient.
		Postural Orthostatic Tachycardia Syndrome A definition of POTS and its relation to Chronic Fatigue Syndrome and the pathophysiology.
	www.serebella.com /encyclopedia/article-Polymorphic_ventricular_tachycardia.html (238 words)

	Welcome to Ventricular Tachycardia
		Ventricular tachycardia is " a tachycardia where the origin of the arrhythmia is within the ventricles".
		That is, the tachycardia does not require the participation of the atrium or AV node and His bundle although the latter structures may be activated "passively" by retrograde conduction.
		Ventricular tachycardia related to acute ischemia or that is extremely rapid is frequently polymorphic, The probability of the presence of VT in a patient with cardiac disease increases in general with the severity of cardiac disease and is most likely to be fatal in patients with impaired ventricular function.
	www.lhsc.on.ca /uwodoc/pages/vt.htm (2014 words)

	VENTRICULAR TACHYCARDIA (Site not responding. Last check: 2007-11-06)
		Because ventricular tachycardia originates in the ventricle, it appears as a wide complex rhythm on EKG.
		Ventricular tachycardia has the potential of degrading to the more serious ventricular fibrillation.
		Ventricular tachycardia is a common, and often, lethal complication of acute myocardial infarction (heart attack).
	www.medhelp.org /glossary2/new/GLS_4788.HTM (108 words)

	Categories of Arrhythmias - Texas Heart Institute Heart Information Center
		Ventricular arrhythmias occur in the lower chambers of the heart, called the ventricles.
		Ventricular tachycardia is a condition in which the SA node no longer controls the beating of the ventricles.
		Supraventricular tachycardia is a rapid, regular heart rate where the heart beats more than 150 times per minute in the atria.
	www.tmc.edu /thi/arrhycat.html (1175 words)

	PRODIGY Guidance - Supraventricular tachycardia - paroxysmal
		Supraventricular tachycardia (SVT) is a disorder of cardiac rhythm.
		SVT is due to abnormalities of impulse conduction (re-entrant tachycardias) or disorders of impulse initiation (automatic tachycardias).
		Ventricular tachycardia may be confused with a fast broad-complex supraventricular tachycardia.
	www.prodigy.nhs.uk /guidance.asp?gt=SVT%20-%20paroxysmal (1808 words)

	Tachycardia - Defibrillators and Heart Arrhythmias
		Tachycardia is a condition in which your heart beats more than 100 times per minute.
		Ventricular tachycardias result when electrical impulses generated in your heart's ventricles interfere with the electrical impulses generated by the S-A node.
		A tachycardia sufferer may experience fainting spells, flouts, temporary blind spots, or dizziness.
	www.guidant.com /webapp/emarketing/compass/comp.jsp?lev1=tachy&lev2=glance (120 words)

	Catheter Ablation of the Mitral Isthmus for Ventricular Tachycardia Associated With Inferior Infarction -- Wilber et ... (Site not responding. Last check: 2007-11-06)
		Left, During ventricular tachycardia, presystolic activation of 85 ms is recorded from a mapping catheter positioned underneath the mitral valve annulus.
		Radiofrequency catheter ablation of ventricular tachycardia in patients with coronary artery disease.
		Reentry as a cause of ventricular tachycardia in patients with chronic ischemic heart disease: electrophysiologic and anatomic correlation.
	circ.ahajournals.org /cgi/content/full/92/12/3481 (5338 words)

	Electrophysiological characteristics and outcome in patients with idiopathic right ventricular arrhythmia compared with ...
		The induction of polymorphic ventricular tachycardia or ventricular
		In right ventricular dysplasia, the intracavitary recording shows an isolated and fragmented diastolic potential (-158 ms with respect to QRS onset), while the earliest presystolic activity for idiopathic premature beat is recorded at the ablation site 20 ms before the QRS.
		Ventricular tachycardia of left bundle branch block configuration in patients with isolated right ventricular dilatation.
	heart.bmjjournals.com /cgi/content/full/87/1/41 (4415 words)

	Arithmology: Ventricular Tachycardia (Site not responding. Last check: 2007-11-06)
		The study of the physiopathological characteristics of the substrate of ventricular tachycardia, particularly in those patients affected by postinfarct ischaemic heart disease has always occupied much of the work of the electrophysiological laboratory.
		The most interesting data represent the evolution towards the study and ablation of forms of tachycardia which as a result of their persistent frequency turn out to be intolerant from a haemodynamic point of view.
		or in those patients affected by postinfarctal ventricular tachycardia, the crucial area for the genesis of ventricular arrhythmias is not localised internal to the cardiac cavity (something which is seen in the majority of patients and upon which the study of intracavity ablation is based) but centres on deep layers of even superficial layers.
	www.cardiologicomonzino.it /inglese/clinica/arit_02.htm (440 words)

	Ventricular tachycardia (Treatment Guide)
		VENTRICULAR TACHYCARDIA DEFINITION Ventricular tachycardia (VT) is a wide complex cardiac rhythm originating in the ventricles.
		Atypical ventricular tachycardia (also known as polymorphous VT or torsade de pointes) is a particular type of VT associated with QT interval prolongation.
		Direct current cardioversion of toxic ventricular dysrhythmias is seldom successful and should not take precedence over correction of hypoxia, external cardiac compression and administration of specific antidotes.
	www.intox.org /databank/documents/treat/treate/trt47_e.htm (411 words)

	Sustained Ventricular Tachycardia
		With prior myocardial infarction (MI, heart attack) and ventricular aneurysm (an abnormal dilatation of a portion of the myocardium caused by a thinning of the heart muscle due to a MI, (see fig.10, fig.51a) a sustained monomorphic VT may be hemodynamically well tolerated.
		This syndrome is clinically characterized by ventricular tachyarrhythmias and sudden death.
		Four hours later ventricular tachycardia returned and was again successfully reverted to a normal sinus rhythm with 250 mg of intravenous PHT.
	www.rjmatthewsmd.com /Definitions/ventricular_tachycardia.htm (3788 words)

	Re: Sino Ventricular Tachycardia?
		Ventricular tachycardias are more serious in nature and are due to a
		Sinus tachycardia is defined as a heart rate of greater than 100 beats per minute originating from the sinus node.
		The diagnosis of inappropriate sinus tachycardia is one of exclusion.
	www.medhelp.org /forums/Cardio/archive/7259.html (1770 words)

	Arrhythmogenic right ventricular dysplasia. An illustrated review highlighting developments in the diagnosis and ...
		Typical symptoms are fatigue on minimal exertion and syncope; this reflects the high incidence of the arrhythmia during exercise.
		Ventricular tachycardia which has a left bundle branch block pattern.
		Electrode catheter ablation of resistant ventricular tachycardia in right ventricular dysplasia: experience of 13 patients with a mean follow up of 45 months.
	www.postgradmedj.com /cgi/content/full/76/897/395 (2017 words)

	Ventricular Tachycardia
		Ventricular Tachycardia encountered in the pre-induction period in an
		The onset of ventricular tachycardia in patients undergoing anaesthesia is a
		ventricular tachycardia was encountered in the preinduction period in an
	www.priory.com /anaes/tachy.htm (1050 words)

	Ventricular tachycardia definition - Medical Dictionary definitions of popular medical terms
		Ventricular tachycardia: An abnormally rapid heart rhythm that originates from a ventricle, one of the lower chambers of the heart.
		Although the beat is regular, ventricular tachycardia is life-threatening because it can lead to a dreaded condition, ventricular fibrillation.
		Ventricular tachycardia is most commonly associated with heart attacks or scarring of the heart muscle from a previous heart attack.
	www.medterms.com /script/main/art.asp?articlekey=5982 (280 words)

	Fish Oil Inhibits Sustained Ventricular Tachycardia
		In seven of the 10 patients, sustained monomorphic ventricular tachycardia was inducible at baseline.
		By contrast, induction of sustained ventricular tachycardia was reduced in five of seven patients after infusion of n-3 PUFA," the authors write.
		Albert recommends confirmation of these preliminary data in randomized trials with hard arrhythmic end points in combination with mortality, and she notes that three randomized trials of the effect of fish-oil supplementation on recurrent episodes of ventricular tachycardia and/or fibrillation are ongoing.
	www.canlyme.com /fishoiltachy.html (563 words)

	Supraventricular Tachycardia -- Overview
		Supraventricular tachycardia (SVT) is an abnormal fast heart rhythm that starts in the upper chambers, or the atria, of the heart.
		In supraventricular tachycardia, abnormal electrical connections (or abnormal firing of the connections) cause the heart to beat too fast.
		Typically, during supraventricular tachycardia episodes, the heart speeds up to rates of 150 to 200 beats per minute and occasionally as high as 300.
	my.webmd.com /hw/heart_disease/ps1687.asp (190 words)

	Ventricular Tachycardia
		three or more ventricular beats in a row; may be regular or irregular.
		Ventricular tachycardia almost always occurs in diseased hearts.
		Ventricular tachycardia can quickly deteriorate into ventricular fibrillation.
	www.rnceus.com /ekg/ekgvt.html (82 words)

	eMedicine - Ventricular Tachycardia : Article by Steven J Compton, MD, FACC, FACP
		VT is distinguished from ventricular fibrillation (VF), which is a grossly disorganized rapid ventricular rhythm that varies in both interval and waveform.
		When the ventricular activation sequence is constant, the electrocardiographic pattern remains the same, and the rhythm is called monomorphic VT. Alternatively, polymorphic VT occurs when the ventricular activation sequence varies.
		This is a slow monomorphic ventricular tachycardia (VT), 121 beats per minute, from a patient with an old inferior wall myocardial infarction and well-preserved left ventricular function (ejection fraction [EF] 55%).
	www.emedicine.com /med/topic2367.htm (7629 words)

	Ventricular tachycardia - AV dissociation (1) (Site not responding. Last check: 2007-11-06)
		A wide QRS tachycardia is VT until proven otherwise (1).
		Ventricular tachycardia as the default diagnosis in broad complex tachycardia.
		A new approach to the differential diagnosis of a regular tachycardia with a wide QRS complex.
	www.ecglibrary.com /vtavd1.html (97 words)

	protocol for management of ventricular tachycardia - General Practice Notebook (Site not responding. Last check: 2007-11-06)
		Pulseless ventricular tachycardia should be treated as ventricular fibrillation.
		Ventricular tachycardia with a pulse is classified as stable or unstable, based on the respective absence or presence of symptoms in the patient.
		Unstable ventricular tachycardia may be defined by one or more of the following adverse signs:
	www.gpnotebook.co.uk /cache/1912995867.htm (140 words)

	Surgery for postinfarction ventricular tachycardia in the pre-implantable cardioverter defibrillator era: early and ...
		The commonest cause of ventricular tachycardia is remote myocardial infarction.
		was with cardiac arrest or pulseless ventricular tachycardia in
		Left ventricular segmental wall motion score as a criterion for selecting patients for direct surgery in the treatment of postinfarction ventricular tachycardia.
	www.heartjnl.com /cgi/content/full/82/2/156 (4083 words)

	Re: ventricular tachycardia
		In Reply to: ventricular tachycardia posted by Judy Greer on February 15, 1999 at 12:42:55:
		: (ventricular tachycardia) is....This is for an anatomy project...seem to
		Ventricular tachycardia is a malignant fast rhythm originating from the ventricle (lower chamber of the heart).
	www.medhelp.org /forums/cardio/archive/8483.html (347 words)

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