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Topic: Supraventricular tachycardia

Related Topics

supraventricular arrhythmias

paroxysmal supraventricular tachycardias

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

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	Supraventricular Tachycardia
		Supraventricular tachycardia is one type of heart rhythm disorder.
		Supraventricular tachycardia can be found in healthy young children, in adolescents, and in people with underlying heart disease.
		Supraventricular tachycardia often occurs in episodes with stretches of normal rhythm in between.
	www.emedicinehealth.com /supraventricular_tachycardia/article_em.htm (481 words)

	Supraventricular tachycardia - Biocrawler (Site not responding. Last check: )
		A supraventricular tachycardia (SVT) is a rapid rhythm of the heart in which the origin of the electrical signal is either the atria or the AV node.
		This is in contrast to ventricular tachycardias, which are tachycardias that are not dependent on the atria or AV node.
		Supraventricular tachycardia is a general term that describes a number of different arrhythmias of the heart, each with a different mechanism of impulse maintenance.
	www.biocrawler.com /encyclopedia/Supraventricular_tachycardia (329 words)

	Supraventricular Tachycardia - New York Presbyterian Hospital
		Tachycardia is the term describing an abnormally rapid heart rate of more than 100 beats per minute.
		Supraventricular tachycardia refers to a rapid, regular heart rhythm that begins in the atria and may or may not involve ventricular tissue.
		A third form of SVT, known as atrial tachycardia, arises from a circuit in the upper chambers (atria) of the heart.
	www.nyp.org /health/supraventricular-tachycardia.html (669 words)

	TheFetus.net - Supraventricular tachycardia-Gary M. Joffe, MD, Luis Izquierdo, MD, Anita Brown, RNC
		Supraventricular tachycardia results in shortened ventricular diastolic filling time in fetal ventricular cardiac tissue that may have less compliance than the adult counterpart.
		Supraventricular tachycardia is rarely associated with intra- or extracardiac anomalies, in contrast to those fetuses with atrial flutter or fibrillation.
		The management of the fetus with a normal anatomical survey and supraventricular tachycardia is dependent upon the gestational age at diagnosis, and the presence or absence of hydrops fetalis.
	www.thefetus.net /page.php?id=64 (2015 words)

	Lifespan's A - Z Health Information Library - Paroxysmal supraventricular tachycardia (PSVT)
		Paroxysmal supraventricular tachycardia (PSVT) is a rapid heart rate, which occurs from time to time (paroxysmal).
		Paroxysmal supraventricular tachycardia (PSVT) can be initiated in the SA node; in the atria or the atrial conduction pathways; or in the AV node.
		It can be a form of a re-entry tachycardia (an electrical current is caught in a reentrant loop, excessively stimulating the heart), as in the case of Wolff-Parkinson-White syndrome.
	www.lifespan.org /adam/healthillustratedencyclopedia/1/000183.html (800 words)

	Supraventricular Tachycardias
		The term "supraventricular arrhythmia" refers to a diverse group of abnormal rhythms ranging from chronic atrial fibrillation to paroxysmal sinus tachycardia due to reentry within the sinus node.
		Supraventricular tachycardia can be broadly defined as any tachycardia requiring the atrium or the atrioventricular (AV) node, either in whole or in part, for its perpetuation.
		A premature beat is required to initiate tachycardia, and the tachycardia uses the slow pathway for antegrade conduction and the fast pathway for retrograde conduction.
	www.americanheart.org /presenter.jhtml?identifier=59 (655 words)

	CIGNA - Supraventricular Tachycardia
		Supraventricular tachycardia can sometimes be diagnosed simply on the basis of a medical history and physical examination and a few simple tests.
		When supraventricular tachycardia occurs in someone with significant coronary artery disease, the heart may not receive enough blood to keep up with the demands of the increased heart rate.
		Supraventricular tachycardia: AV nodal reentry and Wolff-Parkinson-White syndrome.
	www.cigna.com /healthinfo/ps1684.html (3466 words)

	Supraventricular Tachycardia
		The diagnosis of supraventricular tachycardia exclude the tachycardia with prolonged QRS duration or AV dissociation, and primary atrial tachycardia.
		Supraventricular tachycardia was documented in 25 patients (24.8%) and one fetus (25%) (onset age ranged from prenatal to 14 years old; median 4 years old).
		Tachycardia mechanisms were concordant in 56 of 57 patients: orthodromic reciprocating tachycardia in 43, antidromic reciprocating tachycardia in 1, both orthodromic and antidromic tachycardia in 2, AV node reentrant tachycardia in 5, atrial reentrant tachycardia in 4 and ectopic atrial tachycardia in 2.
	www.pediheart.org /searches/topic/svt.htm (16911 words)

	Reference.com/Encyclopedia/Ventricular tachycardia
		In monomorphic ventricular tachycardia, the reason all the beats look the same is because the impulse is being generated from either a single point in either the left or right ventricle or due to a single circuit within the ventricle.
		This is similar, at least conceptually, to the re-entrant circuits that are the cause of atrial flutter and the re-entrant forms of supraventricular tachycardia.
		In particular, supraventricular tachycardias with aberrant conduction (such as ashman beats) are commonly misdiagnosed as ventricular tachycardia.
	www.reference.com /browse/wiki/Ventricular_tachycardia (633 words)

	Supraventricular Tachycardia
		Supraventricular tachycardia (SVT) is an abnormal fast heart rhythm that starts in the upper chambers, or the atria, of the heart.
		Typically, during supraventricular tachycardia episodes, the heart speeds up to rates of 150 to 200 beats per minute and occasionally as high as 300.
		With supraventricular tachycardia, you may have palpitations, an uncomfortable feeling that your heart is racing or pounding.
	www.everettclinic.com /kbase/topic/special/ps1684/sec1.htm (893 words)

	Welcome to Supraventricular Tachycardia
		Most atrial tachycardias are "acquired" and are secondary to either myocardial or other diseases that result in atrial stretch, atrial fibrosis etc. These tachycardias may be either re-entrant or related to enhanced automaticity as discussed previously.
		Recurrent supraventricular tachycardia "PAT" (by older terminology) due to AV node re-entry or atrioventricular re-entry is usually paroxysmal in onset.
		For the atrial tachycardias, this frequently involves dual therapy with one drug intended to block AV nodal conduction to limit the mean heart rate (digitalis, verapamil, beta blockade) and a second drug to "stabilize membranes" and attempt to prevent the onset of tachycardia (quinidine, procainamide, flecainide, propafenone).
	www.lhsc.on.ca /uwodoc/pages/svt.htm (2431 words)

	Adenosine versus intravenous calcium channel antagonists for the treatment of supraventricular tachycardia in adults
		Supraventricular tachycardia (SVT)is a common abnormal rhythm of the heart resulting in a very rapid heart beat.
		Inclusion criteria: randomised trials comparing adenosine and a calcium channel antagonist in patients of any age with supraventricular tachycardia, where one of the defined outcomes was reported.
		Adenosine and verapamil are both effective treatments for supraventricular tachycardia in the majority of patients.
	www.cochrane.org /reviews/en/ab005154.html (743 words)

	Supraventricular Tachycardia - Providence Health System
		Supraventricular tachycardia can sometimes be diagnosed simply on the basis of a medical history and physical examination and a few simple tests.
		When supraventricular tachycardia occurs in someone with significant coronary artery disease, the heart may not receive enough blood to keep up with the demands of the increased heart rate.
		Supraventricular tachycardia: AV nodal reentry and Wolff-Parkinson-White syndrome.
	www.providence.org /healthlibrary/contentViewer.aspx?hwid=ps1684&serviceArea=generic (3404 words)

	Heart Rhythm Disorders: Supraventricular Tachycardia
		Supraventricular tachycardia (SVT) is a rapid heartbeat that begins above the heart's lower chambers (the ventricles) [Figure 1].
		Any deviation from this normal sequence is known as "arrhythmia." Supraventricular tachycardia is an abnormally fast heart rhythm that begins in one of the upper chambers of the heart (atria), a component of the heart's electrical conduction system called the atrioventricular (AV) node, or both.
		Supraventricular tachycardia happens when the normal electrical impulses that cause the heart to beat are interrupted.
	www.pdrhealth.com /patient_education/BHG01CA03.shtml (2835 words)

	Supraventricular Arrhythmias Guideline Exec Summ - References (Site not responding. Last check: )
		Supraventricular tachyarrhythmias involving the sinus node: clinical and electrophysiologic characteristics.
		A randomized, placebo-controlled trial of propafenone in the prophylaxis of paroxysmal supraventricular tachycardia and paroxysmal atrial fibrillation.
		Intravenous sotalol for the termination of supraventricular tachycardia and atrial fibrillation and flutter: a multicenter, randomized, double-blind, placebo-controlled study.
	www.acc.org /qualityandscience/clinical/guidelines/arrhythmias/exec_summ/references.htm (4870 words)

	CiteULike: Complications of chest thump for termination of supraventricular tachycardia in children.
		In a 3-year-old boy with an otherwise normal heart, incessant supraventricular tachycardia was converted to sinus rhythm by a single precordial thump.
		In another case of a 9-year-old girl, recurrent episodes of supraventricular tachycardia were associated with Ebstein anomaly of the tricuspid valve.
		Chest thump was successful in terminating supraventricular tachycardia but induced a short run of ventricular tachycardia which terminated itself and was then followed by sinus rhythm.
	www.citeulike.org /user/weihuil/article/714109 (380 words)

	eMedicine - Paroxysmal Supraventricular Tachycardia : Article by Monika Gugneja
		Supraventricular tachycardia (SVT), a common clinical condition, is any tachyarrhythmia that requires only atrial and/or atrioventricular (AV) nodal tissue for its initiation and maintenance.
		Paroxysmal supraventricular tachycardia (PSVT) is episodic, with an abrupt onset and termination.
		Sinus tachycardia is an accelerated sinus rate that is a physiologic response to a stressor.
	www.emedicine.com /med/topic1762.htm (7091 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.
		Supraventricular tachycardia (SVT) is also called paroxysmal supraventricular tachycardia (PSVT) or paroxysmal atrial tachycardia (PAT).
		A description of your symptoms is one of the most important clues in diagnosing supraventricular tachycardia.
	www.webmd.com /heart-disease/tc/supraventricular-tachycardia-overview (642 words)

	Paroxysmal Supraventricular Tachycardia (SVT, PSVT): Abnormal Heart Rhythms: Merck Manual Home Edition
		Paroxysmal supraventricular (atrial) tachycardia is a regular, fast (160 to 200 beats per minute) heart rate that begins and ends suddenly and originates in heart tissue other than that in the ventricles.
		Paroxysmal supraventricular tachycardia may be triggered by a premature heartbeat that repeatedly activates the heart at a fast rate.
		Episodes of paroxysmal supraventricular tachycardia often can be stopped by one of several maneuvers that stimulate the vagus nerve and thus decrease the heart rate.
	www.merck.com /mmhe/sec03/ch027/ch027d.html (448 words)

	Supraventricular tachycardia definition - Medical Dictionary definitions of popular medical terms easily defined on ...
		Supraventricular tachycardia definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms
		A regular, abnormally fast heart beat (tachycardia) caused by rapid firing of electrical impulses from a focus above the atrioventricular node (A-V node) in the heart.
		Called supraventricular because the tachycardia originates above the ventricles of the heart.
	www.medterms.com /script/main/art.asp?articlekey=25817 (214 words)

	Cogprints - Role of Adenosine/ATP Test in Supraventricular Tachycardia
		The successful treatment of paroxysmal supraventricular tachycardia with adenosine 5` triphosphate (ATP) was initially reported by Somlo1 in 1955.
		Thus, findings at termination of tachycardia by ATP may be useful in the noninvasive diagnosis of the mechanism of a paroxysmal supraventricular tachycardia.
		Non invasive diagnosis in patients with undocumented tachycardias: value of the adenosine test to predict AV nodal reentrant tachycardia.
	cogprints.org /4290 (709 words)

	ACP Observer, July-August 2004 - The MKSAP Challenge
		Her awareness of the palpitations as a pounding sensation in the neck is a common finding in supraventricular tachycardia.
		It likely is related to nearly simultaneous contractions of the atria and ventricles during supraventricular tachycardia, when the ventricularnatrial ratio is 1:1.
		Paroxysmal supraventricular tachycardia is much more common in this age group than is ventricular tachycardia, and atrial flutter is rare in a young, healthy person who has a normal heart.
	www.acponline.org /journals/news/jul-aug04/mksap_a.htm (312 words)

	Supraventricular tachycardia
		Supraventricular tachycardia is a condition which causes the heart to beat very quickly (200-300 beats/minute) for an extended period of time.
		In supraventricular tachycardia (SVT), the impulse takes a different more direct route from the top to the bottom.
		In addition, the most common type of SVT in children allows for this impulse to travel in a circle such that the impulse travels from top to bottom quickly but then continues in a route back to where it started stimulating that impulse all over again.
	parenting.ivillage.com /baby/bhealth/0,,3qcq,00.html?... (634 words)

	MedlinePlus Medical Encyclopedia: Paroxysmal supraventricular tachycardia (PSVT)
		Paroxysmal supraventricular tachycardia (PSVT) is a rapid heart rate, which occurs from time to time (paroxysmal).
		Paroxysmal supraventricular tachycardia (PSVT) can be initiated in the SA node; in the atria or the atrial conduction pathways; or in the AV node.
		It can be a form of a re-entry tachycardia (an electrical current is caught in a reentrant loop, excessively stimulating the heart), as in the case of Wolff-Parkinson-White syndrome.
	www.nlm.nih.gov /medlineplus/ency/article/000183.htm (849 words)

	eMedicine - Supraventricular Tachycardia, Junctional Ectopic Tachycardia : Article by M Silvana Horenstein
		Junctional ectopic tachycardia (JET) is characterized by rapid heart rate for a person's age that is driven by a focus with abnormal automaticity within or immediately adjacent to the atrioventricular (AV) junction of the cardiac conduction system (ie, AV node–His bundle complex).
		It does not have the features associated with reentrant tachycardia (eg, AV node reentry) because this tachycardia does not respond to a single extrastimulus and does not convert with programmed stimulation or cardioversion, it may (or may not) have ventriculoatrial (VA) dissociation, and administration of adenosine results in VA dissociation without termination.
		The additional insults of poor ventricular filling because of tachycardia and the loss of AV sequential contraction are considered to contribute significantly to morbidity and mortality.
	www.emedicine.com /ped/topic2536.htm (4782 words)

	Fast facts about supraventricular tachycardia Nursing - Find Articles
		Supraventricular tachycardia occurs when impulses form at or above the AV node.
		Making the distinction between SVT and ventricular tachycardia (VT) is critical because certain treatments for SVT (such as verapamil) could harm a patient with VT. Differentiating them can be difficult, especially if the QRS complex is widened (greater than 0.12 second) or aberrantly conducted.
		A tachycardia with a narrow QRS (less than 0.1 second) is always supraventricular.
	www.findarticles.com /p/articles/mi_qa3689/is_200106/ai_n8980120 (767 words)

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