ArrhythmiasTachycardiaArrhythmiaChildren with atrial flutterParoxysmal Atrial FibriCardioversionRapid ventricular responseDevelop atrialLeft atrialReentryRadiofrequency ablationTachyarrhythmiasTachycardiasPatientsComplicationsIbutilideRight atriumChronicCatheterPrevalence and incidenceConduction blockCongenitalAbnormalMyocardiumAntiarrhythmicOccurPatientPathwayWavesStablePrematureTreatmentIncreasesHeartHighTypicallyDizzinessStructuralBeats per mi
Arrhythmias12
- 5 In fact, about 11 % of patients with CHD develop atrial arrhythmias (intra-atrial reentrant tachycardia [IART] and AF), with the risk being higher in patients with right-sided heart lesions. (aerjournal.com)
- Patients with atrial septal defect (ASD) are prone to developing different types of atrial arrhythmias. (aerjournal.com)
- In this group of patients, the risk of serious arrhythmias, such as ventricular fibrillation, is greatest in the first hour and declines thereafter. (medscape.com)
- As with most symptomatic arrhythmias, conversion should ideally be achieved before transfer, except in the case of a hemodynamically stable patient referred to an institution with clearly superior expertise and facilities for management of pediatric atrial flutter. (medscape.com)
- β-adrenergic receptor blockers increase AV conduction time and increase AV nodal refractoriness, thereby helping to terminate nodal reentrant arrhythmias. (pharmacology2000.com)
- Increase in AV nodal refractoriness, thereby helping to terminate nodal reentrant arrhythmias. (pharmacology2000.com)
- The primary outcome is the presence of clinically significant arrhythmias defined as a composite of bradycardia, ventricular tachycardia, or ventricular fibrillation. (bvsalud.org)
- CARL pioneered computational mapping of 'chaotic' heart rhythm disturbances (arrhythmias), targeting mechanistic drivers for atrial and ventricular fibrillation (AF, VF) using machine learning and computational models. (stanford.edu)
- Specific support has been via grants HL70529 and HL162260 for ventricular arrhythmias, and HL103800, HL83359, HL122384, HL149134, and several SBIR grants for atrial arrhythmias. (stanford.edu)
- This thickening, particularly after heart failure, increases the likely hood of atrial fibrillation and other arrhythmias. (holisticly.com)
- Not only is nicotine from smoking potentially harmful, but chewing and inhaling second hand nicotine can increase the chances of developing short-term atrial fibrillation and other arrhythmias as well. (holisticly.com)
- Early use of IV beta-blockers, e.g. metoprolol, often reduces the incidence of ventricular arrhythmias. (abcmedicalnotes.com)
Tachycardia10
- A supraventricular tachycardia with a ventricular heart rate of 150 beats per minute is suggestive (though not necessarily diagnostic) of atrial flutter. (wikipedia.org)
- Administration of adenosine in the vein (intravenously) can help medical personnel differentiate between atrial flutter and other forms of supraventricular tachycardia. (wikipedia.org)
- AFL is the second most common pathologic supraventricular tachycardia but occurs at a rate less than one-tenth of the most common supraventricular tachycardia (atrial fibrillation). (wikipedia.org)
- This sharp demarcation is used less frequently in the current era, where the more electrophysiologically descriptive "atrial reentry tachycardia" is used instead. (medscape.com)
- During this type of tachycardia, the atrial rate is so rapid that normal AV nodes usually display a physiologic second-degree block , with a resultant 2:1 conduction ratio. (medscape.com)
- For patient education information, see the Heart Health Center , as well as Atrial Flutter , Tetralogy of Fallot , and Supraventricular Tachycardia . (medscape.com)
- These include atrial flutter, atrial tachycardia and - most commonly - AF. (aerjournal.com)
- Flecainide is an IC antiarrhythmic drug approved in 1984 from Food and Drug Administration for the suppression of sustained ventricular tachycardia and later for acute cardioversion of atrial fibrillation (AF) and for sinus rhythm maintenance. (encyclopedia.pub)
- Diltiazem converts paroxysmal supraventricular tachycardia (PSVT) to normal sinus rhythm by interrupting the reentry circuit in AV nodal reentrant tachycardias and reciprocating tachycardias, e.g. (nih.gov)
- Myocardial involvement may produce tachyarrhythmias, predominantly ventricular tachycardia (VT), but atrial tachycardias, atrial flutter, and atrial fibrillation may also occur. (merckmanuals.com)
Arrhythmia9
- Patients who have undergone Mustard, Senning, or Fontan operations are more prone to developing this arrhythmia because of atrial scars from surgery and right atrial enlargement, usually seen after the classic Fontan operation. (medscape.com)
- Atrial flutter is a reentrant arrhythmia circuit confined to the atrial chambers. (medscape.com)
- 6 The most common arrhythmia in patients with CHD is IART that occurs secondary to reentrant circuits in the right atrium. (aerjournal.com)
- AF is a less common cause of atrial arrhythmia in CHD, but its prevalence is increasing in these patients because of improved survival to older age. (aerjournal.com)
- The incidence of arrhythmia is higher with an ST-elevation myocardial infarction (STEMI) and lower with a non-ST-elevation myocardial infarction (NSTEMI). (medscape.com)
- INTRODUCTION - Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia in clinical practice. (medilib.ir)
- A type of atrial arrhythmia characterized by atrial rates of between 240 and 400 beats per minute and some degree of atrioventricular node conduction block. (nih.gov)
- Atrial fibrillation (AF) is the most prevalent arrhythmia encountered in clinical practice (suffers about 1 % of the adult population) 1,2 and people who suffer from it, especially those aged more than 55 years, will constantly be increasing 3 . (hippokratia.gr)
- Carbon monoxide also increases susceptibility to ventricular fibrillation and ventricular arrhythmia. (holisticly.com)
Children with atrial flutter2
- Treatment of children with atrial flutter depends on the age of presentation and baseline cardiac anatomy. (medscape.com)
- Restoring drug therapy may be indicated in some children with atrial flutter. (medscape.com)
Paroxysmal Atrial Fibri1
- The investigators hypothesized that a combination of circumferential ablation with high-frequency-stimulation-identified GP ablation is superior to conventional circumferential ablation for the prevention of recurrences of paroxysmal atrial fibrillation (AF). (novoclinica.com)
Cardioversion4
- [ 16 ] In another study, there was a high incidence of thrombus/thromboembolism with atrial flutter or fibrillation in patients who underwent the Fontan surgery, but it was low in this population in the setting of electrical cardioversion and anticoagulation therapy. (medscape.com)
- In patients who are stable and have chronic atrial flutter, perform cardioversion only after documentation of freedom from intracardiac thrombi or following a 2-week course of anticoagulation. (medscape.com)
- The pharmacological cardioversion of recent-onset atrial fibrillation (AF) is a challenge for the clinician. (hippokratia.gr)
- The aim of the study was to compare the efficacy, the safety, and the overall cost of intravenous (iv) administration of vernakalant, which is a relatively new atrial-selective antiarrhythmic agent, versus ibutilide, in cardioversion of recent-onset AF. (hippokratia.gr)
Rapid ventricular response3
- 340 bpm) during atrial flutter or when physiologic processes facilitate AV nodal conduction, such that a rapid ventricular response can still result in sudden death. (medscape.com)
- Diltiazem slows the ventricular rate in patients with a rapid ventricular response during atrial fibrillation or atrial flutter. (nih.gov)
- Treatment of these patients with digoxin leads to greater slowing of conduction in the atrioventricular node than in accessory pathways, and the risks of rapid ventricular response leading to ventricular fibrillation are thereby increased. (wikidoc.org)
Develop atrial2
- Similarly, patients who have undergone surgical repair of an atrial septal defect , total anomalous pulmonary venous connection , and tetralogy of Fallot may later develop atrial flutter. (medscape.com)
- Patients with Wolff-Parkinson-White syndrome who develop atrial fibrillation are at high risk of ventricular fibrillation. (wikidoc.org)
Left atrial2
- The investigators are, therefore, conducting a randomized study comparing conventional circumferential ablation to a combination of circumferential ablation plus specific right and left atrial GP ablation in patients with drug-refractory paroxysmal AF. (novoclinica.com)
- Patients are subjected to specific, HF stimulation-guided and anatomic ablation of the main right and left atrial GP. (novoclinica.com)
Reentry3
- In these patients with otherwise normal cardiac anatomy atrial reentry tachycardias are observed mostly during fetal life in late pregnancy, and during adolescence. (medscape.com)
- A flutter circuit typically surrounds an anatomical or functional barrier and includes a zone of slow conduction (or conduction over an extended circuit) and an area of unidirectional block, as required for reentry of all types. (medscape.com)
- Pathophysiologically, atrial flutter is a form of atrial reentry in which there is a premature electrical impulse creates a self-propagating circuit. (nih.gov)
Radiofrequency ablation3
- Radiofrequency catheter ablation techniques are safe and effective as well, especially for patients with poor tolerance to drugs (see figure figure 3b radiofrequency ablation in WPW, as well as in the treatment of atrial flutter and fibrillation by identifying tract carrying the excitation impulse). (rjmatthewsmd.com)
- Pulmonary Vein Stenosis and Pulmonary Hypertension Following a Catheter-Based Radiofrequency Ablation for Atrial Fibrillation: A Case Report. (stanford.edu)
- PV stenosis is a rare but recognized complication of catheter-based radiofrequency ablation (RFA) for atrial fibrillation (AF). (stanford.edu)
Tachyarrhythmias3
- Useful in treating AV reentrant tachyarrhythmias and in management of high ventricular rates secondary to atrial flutter or fibrillation. (pharmacology2000.com)
- The aims of this study were to (1) examine development of sinus node dysfunction (SND), atrial and ventricular tachyarrhythmias, and (2) study progression of atrioventricular conduction abnormalities in young adult patients with repaired cAVSD. (1library.net)
- Patients' medical files were evaluated for occurrence of SND, atrioventricular conduction block (AVB), atrial and ventricular tachyarrhythmias. (1library.net)
Tachycardias1
- Atrial flutter is an electrocardiographic descriptor used both specifically and nonspecifically to describe various atrial tachycardias. (medscape.com)
Patients11
- Historically, the diagnosis of atrial flutter was restricted to those patients whose surface electrocardiogram (ECG) revealed the classic appearance of "flutter waves. (medscape.com)
- This review will shed light on the procedural techniques, success rates and complications of AF catheter ablation in patients with different types of CHD, including atrial septal defects, tetralogy of Fallot, persistent left superior vena cava, heterotaxy syndrome and atrial isomerism, and Ebstein anomaly. (aerjournal.com)
- Thrombosis and thromboembolic events are recognized complications in patients with atrial flutter, particularly in the setting of repaired congenital heart disease, such as the Fontan procedure. (medscape.com)
- Patients who are treated with atrial antitachycardia pacing should undergo testing to confirm that their device is effective and not proarrhythmic. (medscape.com)
- Currently, flecainide is mostly used for sinus rhythm maintenance in atrial fibrillation patients without structural cardiomyopathy although recent studies enrolling different patient population demonstrated a good effectiveness and safety profile. (encyclopedia.pub)
- It is important to distinguish these acute issues from the role of anticoagulation in patients with chronic atrial fibrillation over the longer term. (cardiovillage.com)
- Machine Learning Methodologies for Prediction of Rhythm-Control Strategy in Patients Diagnosed With Atrial Fibrillation: Observational, Retrospective, Case-Control Study. (ucdenver.edu)
- Catheter and surgical ablation of atrial fibrillation (AF) have evolved from investigational procedures to their current role as effective treatment options for patients with AF. (e-arrhythmia.org)
- Left untreated, ventricular fibrillation is rapidly fatal as the vital organs of the body, including the heart, are starved of oxygen, and as a result patients in this rhythm will not be conscious or responsive to stimuli. (mdwiki.org)
- 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. (mdwiki.org)
- Digoxin may cause severe sinus bradycardia or sino-atrial block particularly in patients with pre-existing sinus node disease and may cause advanced or complete heart block in patients with pre-existing incomplete AV block. (wikidoc.org)
Complications1
- citation needed] Although often regarded as a relatively benign heart rhythm problem, atrial flutter shares the same complications as the related condition atrial fibrillation. (wikipedia.org)
Ibutilide1
- Medications used to restore a normal heart rhythm (antiarrhythmics) such as ibutilide effectively control atrial flutter about 80% of the time when they are started but atrial flutter recurs at a high rate (70-90% of the time) despite continued use. (wikipedia.org)
Right atrium1
- As a rule, atrial flutter originates in the right atrium, whereas atrial fibrillation, which is more frequent in adults, originates in the left atrium. (medscape.com)
Chronic3
- Drug therapy of atrial flutter in children can be classified under the 3 broad headings of ventricular rate control, acute conversion, and chronic suppression (see Medication ). (medscape.com)
- The chronic and recurrent ones are related to underlying structural causes like atrial disease or mitral disease. (rjmatthewsmd.com)
- E. The chronic or long standing PSVT'S like atrial flutter or fibrillation do not revert without treatment,often fail to revert even with attempted treatment and if reverted will often recur despite therapy. (rjmatthewsmd.com)
Catheter2
- Atrial flutter can be treated more definitively with a technique known as catheter ablation. (wikipedia.org)
- This involves the insertion of a catheter through a vein in the groin which is followed up to the heart and is used to identify and interrupt the electrical circuit causing the atrial flutter (by creating a small burn and scar). (wikipedia.org)
Prevalence and incidence2
- Although there is no formal database of adults with congenital heart disease (CHD) in the United States, the prevalence and incidence of CHD can be estimated and extrapolated from data in the Canadian providence. (aerjournal.com)
- EPIDEMIOLOGY - Atrial fibrillation (AF) is a global health care problem with evidence suggesting an increasing prevalence and incidence worldwide [ 4-6 ]. (medilib.ir)
Conduction block1
- In the fetus, atrial flutter is defined as a rapid regular atrial rate of 300-600 bpm accompanied by variable degrees of atrioventricular (AV) conduction block, resulting in slower ventricular rates. (medscape.com)
Congenital1
- Atrial flutter is infrequent in children without congenital heart disease. (medscape.com)
Abnormal4
- Atrial flutter (AFL) is a common abnormal heart rhythm that starts in the atrial chambers of the heart. (wikipedia.org)
- Atrial flutter is characterized by a sudden-onset (usually) regular abnormal heart rhythm on an electrocardiogram (ECG) in which the heart rate is fast. (wikipedia.org)
- Similar to the abnormal heart rhythm atrial fibrillation, atrial flutter also leads to poor contraction of the atrial chambers of the heart. (wikipedia.org)
- Ventricular fibrillation ( V-fib or VF ) is an abnormal heart rhythm in which the ventricles of the heart quiver instead of pumping normally. (mdwiki.org)
Myocardium1
- It acts selectively in the atrial myocardium, with limited activity in the ventricles 12 . (hippokratia.gr)
Antiarrhythmic1
- Fetal atrial flutter is usually treated with oral maternal antiarrhythmic agents without need for further intervention if ventricular function is acceptable and if there is no placental edema. (medscape.com)
Occur1
- Ventricular fibrillation can occur due to coronary heart disease , valvular heart disease , cardiomyopathy , Brugada syndrome , long QT syndrome , electric shock , or intracranial hemorrhage . (mdwiki.org)
Patient2
- Fuher AN, Borne R, Cunningham J. Diagnosing Atypical Flutter in the Post-atrial Fibrillation Ablation Patient: A Case Report. (ucdenver.edu)
- Or the patient will have ventricular fibrillation while on the monitor in the hospital and then go to angiogram. (blogspot.com)
Pathway1
- Increased incidence of cavotricuspid isthmus atrial flutter following slow pathway ablation. (ucdenver.edu)
Waves1
- atrial flutter waves are observed as sawtooth-like atrial activity. (nih.gov)
Stable2
- It is typically not a stable rhythm, and often degenerates into atrial fibrillation (AF). (wikipedia.org)
- Immediate treatment of atrial flutter centers on slowing the heart rate with medications such as beta blockers (e.g., metoprolol) or calcium channel blockers (e.g., diltiazem) if the affected person is not having chest pain, has not lost consciousness, and if their blood pressure is normal (known as stable atrial flutter). (wikipedia.org)
Premature1
- Background - Refractory ventricular fibrillation (VF) is a challenging clinical entity, for which ablation of triggering premature ventricular complexes (PVCs) is described. (stanford.edu)
Treatment2
- I.V. administration is used for rapid beta-receptor blockade in treatment of atrial fibrillation with high ventricular following rates. (pharmacology2000.com)
- Digoxin is a cardiac glycoside that is FDA approved for the treatment of atrial fibrillation , atrial flutter , and heart failure . (wikidoc.org)
Increases1
- The lifetime risk of a DVT is 2-5%, and the incidence of DVT increases with age. (traumayellow.com)
Heart8
- If the affected person is having chest pain, has lost consciousness, or has low blood pressure (unstable atrial flutter), then an urgent electrical shock to the heart to restore a normal heart rhythm is necessary. (wikipedia.org)
- While atrial flutter can sometimes go unnoticed, its onset is often marked by characteristic sensations of the heart feeling like it is beating too fast or hard. (wikipedia.org)
- citation needed] Prolonged atrial flutter with fast heart rates may lead to decompensation with loss of normal heart function (heart failure). (wikipedia.org)
- Atrial fibrillation (AF) has strong associations with other cardiovascular diseases, such as heart failure, coronary artery disease (CAD), valvular heart disease, diabetes mellitus, and hypertension. (medscape.com)
- Ventricular fibrillation has been described as "chaotic asynchronous fractionated activity of the heart" (Moe et al. (mdwiki.org)
- Ventricular fibrillation most commonly occurs within diseased hearts, and, in the vast majority of cases, is a manifestation of underlying ischemic heart disease. (mdwiki.org)
- Ventricular fibrillation is also seen in those with cardiomyopathy , myocarditis , and other heart pathologies. (mdwiki.org)
- [7] It is also notable that ventricular fibrillation occurs where there is no discernible heart pathology or other evident cause, the so-called idiopathic ventricular fibrillation. (mdwiki.org)
High1
- The disorder shows marked regional variation in incidence being particularly high in people of Northern European and African descent, being particularly high in African-American women. (merckmanuals.com)
Typically1
- Typically, the ventricular rate is half the atrial rate. (nih.gov)
Dizziness1
- Resulting symptoms include dizziness, a sensation of fluttering or pounding in the chest (palpitations), shortness of breath, and fainting (syncope). (nih.gov)
Structural1
- C. They tend to be recucurrent when an underlying structural cause such as atrial disease or mitral disease is the dominant pathophysiologic factor. (rjmatthewsmd.com)
Beats per mi1
- The term was originally applied to adults with regular atrial depolarizations at a rate of 260-340 beats per minute (bpm). (medscape.com)