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Topic: Atrial flutter

Related Topics

Type 1 Second degree heart block

Atrial fibrillation

Arrhythmia

Atrioventricular node

Systole

Supraventricular tachycardia

First degree heart block

Third degree heart block

Ventricular fibrillation

Electrical conduction system of the heart

Sick sinus syndrome

Cardioversion

Asystole

Ventricular tachycardia

Pulseless electrical activity

	Atrial Flutter and Treatment
		Atrial flutter may be a transitory acute disturbance in rhythm or it may be a chronic and recurrent disorder.
		Because atrial flutter is characterized by a very small excitable gap difficult to penetrate within the limits of atrial refractoriness, it is not commonly possible to interrupt atrial flutter with the introduction of critically timed single atrial premature beats.
		Atrial flutter is usually encountered in patients with severe mitral valve disease, those with thyrotoxicosis, those with primary myocardial disease, those with pericardial disease, in some patients with acute MIs, in those with chronic obstructive pulmonary disease and systemic arterial hypoxia, and with some frequency in patients after open-heart surgery.
	www.americanheart.org /presenter.jhtml?identifier=52 (1067 words)

	Atrial flutter - Wikipedia, the free encyclopedia
		Atrial flutter is a rhythmic, fast rhythm that occurs in the atria of the heart.
		Atrial flutter is typically not a stable rhythm, and frequently degenerates to atrial fibrillation.
		Atrial flutter is caused by a reentrant rhythm in either the right or left atrium.
	en.wikipedia.org /wiki/Atrial_flutter (1301 words)

	Atrial flutter -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-19)
		Atrial flutter is a rhythmic, fast rhythm that occurs in the (Click link for more info and facts about atria) atria of the (The hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions pump blood through the body) heart.
		Atrial flutter is typically not a stable rhythm, and frequently degenerates to (Fibrillation of the muscles of the atria of the heart) atrial fibrillation.
		While entrainment may break atrial flutter and cause the individual to revert to a normal sinus rhythm, the rapid atrial pacing may cause the individual to go into (Fibrillation of the muscles of the atria of the heart) atrial fibrillation.
	www.absoluteastronomy.com /encyclopedia/a/at/atrial_flutter.htm (1368 words)

	atrial flutter (Site not responding. Last check: 2007-10-19)
		Atrial flutter is a very rapid, regular heart beat that starts in the atria, or upper chambers of the heart.
		In a person with atrial flutter, the regular beating of the atria is replaced by a rapid beating, known as atrial flutter.
		Atrial flutter is caused by a short circuit in one atrium.
	www.northmemorial.com /healthencyclopedia/content/13.asp (711 words)

	Atrial fibrillation/flutter Encyclopedia Search - Drug Price Search
		In atrial fibrillation and flutter, the atria are stimulated to contract very quickly and differently from the normal activity originating from the sinoatrial node.
		Underlying causes of atrial fibrillation and flutter include dysfunction of the sinus node (the "natural pacemaker" of the heart) and a number of heart and lung disorders, including coronary artery disease, rheumatic heart disease, mitral valve disorders, pericarditis, and others.
		Some patients with atrial fibrillation and rapid heart rates may need the radiofrequency ablation done not on the atria, but directly on the AV junction (i.e., the area that normally filters the impulses coming from the atria before they proceed to the ventricles).
	drug-price-search.com /encyclopedia/?encyclopedia_name_url=219&level=2 (795 words)

	eMedicine - Atrial Flutter : Article by Jeffrey Lazar, MD, MPH
		Atrial flutter is defined by the presence of stable, uniform atrial activation (flutter waves).
		Atrial flutter, type I, is also referred to as typical, common, or counter-clockwise isthmus-dependent atrial flutter and involves a re-entrant circuit that encircles the tricuspid annulus of the right atrium, with a depolarizing stimulus traveling up the atrial septum, experiencing epicardial break-through superiorly, and traveling back down the atrial free wall.
		Atrial flutter is associated in patients with heart failure, valvular disease, chronic obstructive pulmonary disease, hyperthyroidism, pericarditis, pulmonary embolism, and a history of open heart surgery.
	www.emedicine.com /emerg/topic47.htm (4620 words)

	U-M CVC - Atrial Flutter (Site not responding. Last check: 2007-10-19)
		Atrial flutter is an abnormal, rapid heart rhythm that comes from the heart’s upper chambers — the atria —; causing them to beat at rates of 220 to 300 times a minute.
		Atrial flutter is uncommon in the young except when there is a history of heart surgery involving the atria.
		Atrial flutter occurs when an electrical impulse travels in a circle around the atria like "a dog chasing its own tail." This happens when there are areas of slow and fast conduction in the atria, which is quite common after having surgery in this area.
	www.med.umich.edu /cvc/mchc/paratrfl.htm (1477 words)

	Atrial Flutter
		The most common form of atrial flutter is attributable to a large reentrant loop confined to the right atrium that travels in a counterclockwise direction, caudiocrandially in the interatrial sptum and craniocaudally in the right free atrial wall.
		This common form of atrial flutter is characterized electrocardiographically by sawtoothed flutter waves that are negative in leads 11, 111, and aVF and show continual electrical activity (lack of an isoelectric interval between flutter waves, see figure 5a).
		In this type of atrial flutter, an area of slow conduction is present in the posterolateral to posteromedial inferior right atrium between the tricuspid valve annulus and the inferior vena cava orifice (figure 11f).
	www.rjmatthewsmd.com /Definitions/atrial_flutter.htm (565 words)

	MedlinePlus Medical Encyclopedia: Atrial fibrillation/flutter
		In atrial fibrillation and flutter, the atria are stimulated to contract very quickly and differently from the normal activity originating from the sinoatrial node.
		Underlying causes of atrial fibrillation and flutter include dysfunction of the sinus node (the "natural pacemaker" of the heart) and a number of heart and lung disorders, including coronary artery disease, rheumatic heart disease, mitral valve disorders, pericarditis, and others.
		Some patients with atrial fibrillation and rapid heart rates may need the radiofrequency ablation done not on the atria, but directly on the AV junction (i.e., the area that normally filters the impulses coming from the atria before they proceed to the ventricles).
	www.nlm.nih.gov /medlineplus/ency/article/000184.htm (869 words)

	ABC of clinical electrocardiography: Atrial arrhythmias -- Goodacre and Irons 324 (7337): 594 -- BMJ
		Atrial fibrillation is caused by multiple re-entrant circuits or "wavelets" of activation sweeping around the atrial myocardium.
		Atrial flutter is due to a re-entry circuit in the right atrium with secondary activation of the left atrium.
		The causes of atrial flutter are similar to those of atrial fibrillation, although idiopathic atrial flutter is uncommon.
	bmj.bmjjournals.com /cgi/content/full/324/7337/594 (1199 words)

	ATRIAL FLUTTER
		Atrial flutter is diagnosed by a particular pattern on an electrocardiogram (ECG).
		Therapy for atrial flutter focuses on the cause of the arrhythmia.
		Sometimes the abnormal rhythm of the heart caused by atrial flutter is electrically shocked to normal.
	www.apma-nc.com /PatientEducation/atrial_flutter.htm (634 words)

	Atrial Fibrillation Foundation (Site not responding. Last check: 2007-10-19)
		Atrial flutter can sometimes degenerate to atrial fibrillation and sometimes atrial fibrillation will organize back into atrial flutter and at times even one atrium may be in an organized rhythm and the other atrium may be in a disorganized rhythm.
		Atrial flutter shares some features with AF in that it causes symptoms similar to those of AF, it can also increase the risk of stroke by blood clot formation in the heart which breaks off and migrates to the brain.
		This is an electrocardiogram of a patient in atrial flutter.
	www.affacts.org /Questions/flutter.html (298 words)

	The Physician and Sportsmedicine: Atrial Flutter in a College Football Player
		Atrial flutter is an uncommon supraventricular tachyarrhythmia with an unknown cause.
		Atrial flutter in athletes is very rare, and we are aware of very few case reports.
		Atrial flutter is generally not lethal in the absence of structural cardiac disease or preexcitation syndrome.
	www.physsportsmed.com /issues/2003/1003/wen.htm (1833 words)

	Atrial Flutter Causes, Symptoms, Diagnosis, and Treatment on eMedicineHealth.com
		Atrial flutter is an abnormality of the heart rhythm, resulting in a rapid and sometimes irregular heartbeat.
		Atrial flutter occurs when these electrical impulses take an abnormal path through the atria, typically circulating around the tricuspid valve in the right atrium.
		Complications of atrial flutter, in particular stroke, can be devastating, but they can be prevented with medications ("blood thinners") such as warfarin (Coumadin).
	www.emedicinehealth.com /atrial_flutter/article_em.htm (425 words)

	UMMC - Atrial Fibrillation/Flutter (Site not responding. Last check: 2007-10-19)
		Atrial fibrillation and atrial flutter are abnormalities in the rhythm or rate of the heart beat.
		Atrial fibrillation may be caused by such conditions as coronary artery disease, rheumatic heart disease, mitral valve problems, heart infection or an overactive thyroid gland.
		Atrial flutter is often associated with a heart attack or may occur after heart or lung surgery.
	www.med.umich.edu /1libr/heart/rate01.htm (292 words)

	Advanced Treatment of Atrial Flutter Holds Up in Long-Term Follow-Up
		Atrial flutter is a type of atrial arrhythmia, an abnormal heart rhythm that affects the right atrium, one of the heart's blood-holding chambers.
		In atrial flutter, abnormal electrical activity in the heart results in disruption of the heart's natural pacemaker, leading to ineffective pumping.
		During follow-up, atrial flutter returned in 10 patients, and catheter ablation was repeated in seven of these, with normal rhythm returning in six.
	www.docguide.com /dg.nsf/PrintPrint/F02123284A0B7045852562DF0070F584 (802 words)

	Atrial flutter - MEDArticleMgr
		Atrial flutter is a rapid heart rhythm in which electrical signals in the atria are abnormally fast.
		Atrial flutter is one of the more common SVTs, where the upper chambers of the heart (atria) beat anywhere from 240 to 320 times per minute.
		Atrial Flutter: An Uncommon Pediatric Manifestation of Hyperthyroidism
	listpad.info /?q=atrial-flutter (511 words)

	Atrial fibrillation and flutter
		Atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles, or lower chambers of the heart.
		Atrial fibrillation and flutter are two types of cardiac arrhythmias, irregularities in the heart's rhythm.
		Atrial flutter is less common, but both of these arrhythmias can cause a blood clot to form in the heart.
	www.healthatoz.com /healthatoz/Atoz/ency/atrial_fibrillation_and_flutter.jsp (1507 words)

	Atrial Flutter
		Atrial flutter is an abnormality in the beating of the heart.
		The main danger of atrial flutter is that the heart does not pump blood very well when it is beating too fast.
		Complications of atrial flutter can be devastating, but they usually can be prevented with treatment.
	www.webmd.com /heart/atrial-flutter (410 words)

	pulmonary vein isolation ablation, afib, flutter, atrial fibrillation
		Atrial fibrillation is the most common irregular heart rhythm in the United States.
		Atrial fibrillation is an abnormal heart rhythm originating in the atria.
		During surgical procedures to treat atrial fibrillation, the left atrial appendage may be removed and the tissue is closed with a special stapling device.
	www.clevelandclinic.org /heartcenter/pub/guide/disease/electric/afib.htm (2429 words)

	Atrial Flutter - Atrial Flutter symptom, treatment, causes
		Atrial flutter and atrial fibrillation are fast arrhythmias that originate in the atrium.
		Atrial fibrillation leads to ineffective emptying of the atria and carries a risk of clot formation.
		Atrial flutter occurs when an abnormal conduction circuit develops inside the right atrium.Atrial flutter can come and go; it is then known as paroxysmal atrial flutter.
	www.health-care-clinic.com /family-health/a/atrial-flutter.htm (396 words)

	Atrial Flutter (Site not responding. Last check: 2007-10-19)
		Like atrial fibrillation, there is virtually always some degree of AV block, usually in a 2:1 pattern, such that the ventricular rate is usually around 150 beats per minute; in fact, atrial flutter can be confused with sinus tachycardia at 150 beats per minute.
		Atrial flutter often occurs in the first week after open-heart surgery in both children and adults and frequently follows surgery to repair congenital heart defects over both short and long term.
		Typical atrial flutter has a very characteristic ECG pattern and is caused by localized reentry with impulse pathways occupying large portions of the right atrial wall.
	www.txai.org /edu/irregular/atrial_flutter.htm (443 words)

	eMedicine - Atrial Flutter : Article by Lawrence Rosenthal, MD, PhD
		Type II atrial flutter is associated with atrial rates from 340-433 bpm and is not as well characterized electrically as type I. Type I atrial flutter can always be electrically entrained and interrupted by atrial pacing at faster rates than the intrinsic rate of the tachycardia.
		For type I atrial flutter, pacing from the tricuspid valve isthmus during atrial flutter causes concealed entrainment such that the morphology of the paced flutter waves is identical to that of the native flutter waves.
		Patients with atrial flutter and episodes of atrial fibrillation are at higher risk of thromboembolic events; however, determining whether episodes of atrial fibrillation are associated with episodes of atrial flutter is difficult.
	www.emedicine.com /med/topic185.htm (8892 words)

	Atrial Flutter - Diagnosis and Treatment Options at Mayo Clinic
		For patients with atrial flutter, the medical team at Mayo Clinic is led by electrophysiologists.
		In atrial flutter, the upper chambers of the heart (atria) are electrically overstimulated as many as 300 times per minute, compared to the normal rate of 60 to 100 times.
		Atrial flutter is a form of tachycardia (rapid heart rate).
	www.mayoclinic.org /atrial-flutter (364 words)

	THE MERCK MANUAL, Sec. 16, Ch. 205, Arrhythmias
		Atrial flutter is much less common than AF, but its hemodynamic consequences and management are similar.
		Na channel blockers (quinidine, procainamide, flecainide) are more likely to abolish atrial flutter, but their use does not remove the need to control atrioventricular nodal conduction while the arrhythmia continues.
		RF ablation is emerging as an important approach for medically refractory atrial flutter.
	www.merck.com /pubs/mmanual/section16/chapter205/205c.htm (479 words)

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