Atrial fibrillation pulmonary veins. Medical search. Frequent questions

Xarelto is approved for indications such as stroke prevention in non-valvular atrial fibrillation, pulmonary embolism, deep vein thrombosis, prevention of recurrent venous thromboembolism (VTE), prevention of VTE after elective hip and knee replacement surgery, and secondary prevention after acute coronary syndrome. (openpr.com)
Warfarin is the most commonly prescribed drug to prevent blood clots in conditions such as atrial fibrillation, deep vein thrombosis, or pulmonary embolism. (nih.gov)
Studies of the risks of deep vein thrombosis (DVT) and pulmonary embolism (PE) in patients with Sjögren syndrome (SS) in Asia are scant. (jrheum.org)
Venous thromboembolism (VTE) includes deep vein thrombosis (DVT) and pulmonary embolism (PE). (jrheum.org)
These compounds act by blocking the enzymatic reduction of vitamin K to its active form, which is responsible for the final steps of synthesis of several clotting factors (Factors II, VII, IX and X). The coumarin derivatives cause a prolongation of the prothrombin time which is beneficial in preventing progression or recurrence of deep vein thrombosis and pulmonary embolism. (nih.gov)
Differences in duration of anticoagulation after pulmonary embolism and deep vein thrombosis: Findings from the SWIss Venous ThromboEmbolism Registry (SWIVTER). (uzh.ch)
Outcome after bilateral deep vein thrombosis. (uzh.ch)
Chest angiography and CT of the lower legs showed no evidence of pulmonary embolism or deep vein thrombosis. (cdc.gov)
Deep vein thrombosis (DVT) is a blood clot that forms in a vein deep in the body. (medlineplus.gov)
The Centers for Disease Control and Prevention estimates that nearly 900,000 people each year will develop deep vein thrombosis (DVT) or. (medlineplus.gov)
We've compiled a list of symptoms, causes, and treatment for deep vein thrombosis and pulmonary embolisms with information from. (medlineplus.gov)

Pre-existing chronic thromboembolic pulmonary hypertension in acute pulmonary embolism. (uzh.ch)
COVID-19 infection and its impact on case-fatality in patients with pulmonary embolism. (uzh.ch)
From acute pulmonary embolism to post-pulmonary embolism sequelae. (uzh.ch)
Recovery of right ventricular function after intermediate-risk pulmonary embolism: results from the multicentre Pulmonary Embolism International Trial (PEITHO)-2. (uzh.ch)
Performance Status and Long-Term Outcomes in Cancer-Associated Pulmonary Embolism: Insights From the Hokusai-VTE Cancer Study. (uzh.ch)
Annual Mortality Related to Pulmonary Embolism in the U.S. Before and During the COVID-19 Pandemic. (uzh.ch)
Cost-of-Illness Analysis of Long-Term Health Care Resource Use and Disease Burden in Patients With Pulmonary Embolism: Insights From the PREFER in VTE Registry. (uzh.ch)
Percutaneous treatment options for acute pulmonary embolism: a clinical consensus statement by the ESC Working Group on Pulmonary Circulation and Right Ventricular Function and the European Association of Percutaneous Cardiovascular Interventions. (uzh.ch)
endocarditis, atrial and ventricular mu- ing treatment of coronary embolism. (who.int)
Sheep acquire strong resist- most frequent location of the cyst is and can cause pulmonary embolism, ance against new cysts developing but the myocardial region, particularly pulmonary hypertension and death. (who.int)

At the time of the ablation procedure, 64 had progressed to persistent AF and 23 had increased transverse left atrial diameter. (bmj.com)
Outcome was not influenced by patient age, length of AF history, or duration of persistent AF before ablation or to left atrial dimension. (bmj.com)
1. Among patients with persistent atrial fibrillation (AF) treated with cardiac ablation, those who underwent pulmonary vein (PVI) and posterior wall isolation (PWI) had no significant difference in outcomes compared to those who underwent PVI alone. (2minutemedicine.com)
Untreated paroxysmal atrial fibrillation can become chronic, resulting in persistent heartbeat irregularities. (stanford.edu)
An innovative three-step ablation approach including ethanol infusion of the vein of Marshall improves freedom from arrhythmias in patients with persistent atrial fibrillation compared to pulmonary vein isolation (PVI) alone, according to late breaking science presented at EHRA 2023, a scientific congress of the European Society of Cardiology (ESC). (escardio.org)
The trial included 120 patients with symptomatic persistent atrial fibrillation for more than one month. (escardio.org)
While the findings indicate that the Marshall-Plan strategy holds promise for patients with persistent atrial fibrillation, they need to be confirmed in a multicentre trial. (escardio.org)
Approaches to catheter ablation for persistent atrial fibrillation. (escardio.org)
MARSHALL bundles elimination, Pulmonary veins isolation and Lines completion for ANatomical ablation of persistent atrial fibrillation: MARSHALL-PLAN case series. (escardio.org)
Marshall bundle elimination, Pulmonary vein isolation, and Line completion for ANatomical ablation of persistent atrial fibrillation (Marshall-PLAN): Prospective, single-center study. (escardio.org)
Pulmonary vein isolation with the second-generation cryoballoon in paroxysmal and persistent atrial fibrillation. (uni-muenchen.de)
Methods This retrospective observational study included 120 patients (18 years or older) with paroxysmal or persistent atrial fibrillation who underwent RFA for de novo pulmonary vein isolation guided either by an UHDMS (n=63) or NUHDMS (n=57) for their index procedure. (unav.edu)
Atrial fibrillation (AF) is the most frequent persistent arrhythmia. (bvsalud.org)
Samples were donated from six subjects with or without persistent AF for left atria, left atrial appendages, right atria, sinoatrial nodes, left ventricles, right ventricles, and pulmonary veins (PVs), and additional four right atrial appendages samples were collected from patients undergoing mitral valve replacement. (bvsalud.org)
Now, in the prospective PULSED-AF study, PFA for pulmonary vein isolation (PVI) successfully and safely abolished atrial arrhythmias over 1 year in about 80% of a cohort of patients with paroxysmal or persistent AF. (medscape.com)
After exclusions (including for prior AF ablation or left-atrial dilatation) and not counting the "roll-in" patients who allowed participating operators to gain experience in the procedure, Verma said, 150 patients with paroxysmal AF and 150 with persistent AF underwent PFA for PVI and were followed for 12 months. (medscape.com)

Atrial tachyarrhythmias after the 3-month blanking period were classified as a recurrence. (nih.gov)
Catheter ablation success was defined as freedom from any sustained atrial arrhythmia recurrence after a 3-month blanking period following catheter ablation. (cepia.team)
The risk of recurrence was significantly decreased compared to pulmonary vein isolation (PVI) alone for PVI with renal denervation (RR: 0.60, CI: 0.38-0.94), PVI with ganglia-plexi ablation (RR: 0.62, CI: 0.41-0.94), PVI with additional ablation lines (RR: 0.8, CI: 0.68-0.95) and PVI in combination with bi-atrial modification (RR: 0.32, CI: 0.11-0.88). (biomedcentral.com)
The primary endpoint was recurrence of atrial fibrillation or atrial tachycardia lasting more than 30 seconds at 12 months (including a 3-month blanking period) after a single ablation procedure. (escardio.org)
Background The antral region of pulmonary veins (PV)s seems to play a key role in a strategy aimed at preventing atrial fibrillation (AF) recurrence. (unav.edu)
Methods The improveD procEdural workfLow for cathETEr ablation of paroxysmal AF with high density mapping system and advanced technology (DELETE AF) study is a prospective, single-arm, international post-market cohort study designed to demonstrate a low rate of clinical atrial arrhythmias recurrence with an improved procedural workflow for catheter ablation of paroxysmal AF, using the most advanced point-by-point RF ablation technology in a multicenter setting. (unav.edu)
The primary efficacy endpoint consisted of freedom from acute procedural failure, AF recurrence, repeat ablation, direct-current cardioversion, left atrial surgery, or escalation of antiarrhythmic drugs. (medscape.com)

Atrial Fibrillation, Atrial Tachycardia: What's the Difference? (acc.org)
Prior Holter monitoring demonstrated episodes of atrial fibrillation as well as an atrial tachycardia. (acc.org)
Figure 1 is a 12-lead ECG demonstrating bursts of atrial tachycardia. (acc.org)
We then started isoproternol up to 10mcg/min with no induction of atrial tachycardia or atrial fibrillation. (acc.org)
Despite an irregularly irregular rhythm, the patient in our case suffers from a focal atrial tachycardia. (acc.org)
Focal atrial tachycardia as the sole mechanism for supraventricular tachycardia is relatively rare accounting for 10-15% of cases referred for catheter ablation. (acc.org)
(2) Although relatively rare, sustained episodes of focal atrial tachycardia may lead to a rate related cardiomyopathy. (acc.org)
Pulmonary vein associated tachycardia is a rare entity. (acc.org)
In a retrospective series, only 3% of all atrial tachycardia from a large tertiary referral center was classified as pulmonary vein tachycardia. (acc.org)
(3) In this series, focal ablation of either the earliest activation site at the os of the vein, or circumferential ablation of the culprit vein resulted in favorable long term freedom from recurrent atrial tachycardia, and atrial fibrillation. (acc.org)
(4) In three large series of patients undergoing ablation for focal pulmonary vein tachycardia, the reported development of atrial fibrillation post ablation is low. (acc.org)
Figures 1 and 2 demonstrate a 12-lead electrocardiogram with bursts of atrial tachycardia and sinus rhythm. (acc.org)
and Ablation of Genetically Triggered Ventricular Tachycardia/Fibrillation. (elsevier.ca)
Offers expert guidance on atrial tachycardia and flutter, atrial fibrillation, atrioventricular nodal reentrant tachycardia, tachycardias related to accessory atrioventricular connections, ventricular tachycardia, transseptal catheterization techniques, ablation for pediatric patients, and patient safety and complications. (elsevier.ca)
They are said to have AF, but actually have a focal atrial tachycardia or common atrial flutter. (drjohnm.org)
Was your tachycardia called Atrial Flutter? (slowtwitch.com)
In atrial fibrillation, the atria do not contract, and the atrioventricular (AV) conduction system is bombarded with many electrical stimuli, causing inconsistent impulse transmission and an irregularly irregular ventricular rate, which is usually in the tachycardia rate range. (msdmanuals.com)

Catheter ablation is a procedure that uses radio-frequency energy or other sources to terminate or modify a faulty electrical pathway from sections of the heart of those who are prone to developing cardiac arrhythmias such as atrial fibrillation, atrial flutter and Wolff-Parkinson-White syndrome. (wikipedia.org)
For atrial flutter, single procedure success is 88% to 95% (95% Confidence Interval) and multiple procedure success is 95% to 99% (95% Confidence Interval). (wikipedia.org)
This study noted "disorganized atrial activity with earliest activation in the left atrium consistent with atrial fibrillation/flutter. (acc.org)
One of the major management decisions in AF (and atrial flutter) is determining the risk of stroke and appropriate anticoagulation regimen for low-, intermediate-, and high-risk patients. (medscape.com)

Tracing Atrial Fibrillation -- 100 Years," "Cryoablation or Drug Therapy for Initial Treatment of Atrial Fibrillation," "Cryoballoon Ablation as Initial Therapy for Atrial Fibrillation. (webmd.com)
Aims Cryoballoon (CB)-based pulmonary vein isolation (PVI) is an effective treatment for atrial fibrillation (AF). (uni-koeln.de)

Autonomic denervation added to pulmonary vein isolation for paroxysmal atrial fibrillation: a randomized clinical trial. (springer.com)

The technique focuses on anatomical targets that have been individually recognised as important for the initiation or maintenance of atrial fibrillation but have not been collectively targeted in a systematic manner. (escardio.org)
However, in many cases, firing of an ectopic focus within venous structures adjacent to the atria (usually the pulmonary veins) is responsible for initiation and perhaps maintenance of atrial fibrillation. (msdmanuals.com)

Next to anticoagulation, pulmonary vein isolation (PVI) is the most important interventional procedure in the treatment of atrial fibrillation (AF). (mdrresearch.nl)
Oral anticoagulation is also used to prevent arterial or venous embolization after acute myocardial infarction, atrial fibrillation and prosthetic heart value placement. (nih.gov)
Effective anticoagulation is very ral thrombus, syphilis and pulmonary Teatment options include heparin, important for patients with mechanical vein thrombosis [7]. (who.int)

Thus, pulmonary vein isolation is the cornerstone of catheter ablation for paroxysmal atrial fibrillation. (cepia.team)
The cornerstone of catheter ablation of atrial fibrillation is complete isolation of the pulmonary veins. (escardio.org)

One concern is that an extensive maze procedure can render the atrial severely hypocontractile, which may elevate the risk of embolic stroke even if AF is substantively suppressed. (medscape.com)
1 , 2 As the atria fibrillate, blood pools in the atria, and a clot may form in the atrial appendage, increasing the risk of embolic stroke. (aafp.org)
Atrial thrombi may form, causing a significant risk of embolic stroke. (msdmanuals.com)

Nerve sprouting and sympathetic hyperinnervation in a canine model of Atrial Fibrillation produced by prolonged right Atrial pacing. (springer.com)
Right atrial wall that acute coronary syndrome second- infected sheep are eaten by dogs. (who.int)
Ana- a fatal outcome but isolated right atrial subepicardial cyst rupture, rupture may phylactic shock may develop due to cyst wall hydatid cyst is an exceedingly rare be asymptomatic or it may cause acute rupture into the bloodstream. (who.int)

If not controlled, such arrhythmias increase the risk of ventricular fibrillation and sudden cardiac arrest. (wikipedia.org)
This randomized controlled trial provides strong evidence to suggest that adding PWI to PVI in cardiac ablation for atrial arrhythmias is not beneficial compared to PVI alone. (2minutemedicine.com)
Pulmonary vein arrhythmias have been associated with the development of atrial fibrillation. (acc.org)
(5,6) While our patient has had improvement of his LVEF, and is free from arrhythmias, his future risk of the development of atrial fibrillation is unknown. (acc.org)
Atrial fibrillation is one of the most common arrhythmias, affecting between 3 and 6 million adults in the US. (msdmanuals.com)

Atrial fibrillation is a common arrhythmia which can have dangerous complications, including thrombotic events such as stroke. (2minutemedicine.com)

By maintaining the atrial contribution to cardiac output, symptoms of heart failure and overall quality of life can improve. (medscape.com)
Pulmonary veins (PV) contain receptors important in cardiac reflexes. (springer.com)
Yu Y, Wei C, Liu L, Lian AL, Qu XF, Yu G. Atrial fibrillation increases sympathetic and parasympathetic neurons in the intrinsic cardiac nervous system. (springer.com)
In atrial fibrillation, however, signals are sent from other parts of the atria, disrupting the regular cardiac rhythm. (stanford.edu)
Atrial fibrillation (AF) is the most common form of cardiac arrhythmia. (nature.com)
Atrial fibrillation is the most common type of cardiac arrhythmia, and is responsible for substantial morbidity and mortality in the general population. (nature.com)
Atrial fibrillation is a supraventricular arrhythmia that adversely affects cardiac function and increases the risk of stroke. (aafp.org)
Surgical treatments for atrial fibrillation are reserved for patients who are undergoing cardiac surgery for other reasons. (aafp.org)
However, most transcriptome analyses of AF are limited to the atrial samples and have not been evaluated by multiple cardiac regions. (bvsalud.org)

nor have any developed symptoms of late pulmonary vein stenosis. (bmj.com)
Pulmonary vein stenosis (PVS) after PV isolation (PVI) for atrial fibrillation (AF) is a severe complication that requires angioplasty. (go.jp)
Pulmonary Vein Stenosis and Pulmonary Hypertension Following a Catheter-Based Radiofrequency Ablation for Atrial Fibrillation: A Case Report. (stanford.edu)
BACKGROUND Pulmonary vein (PV) stenosis is a rare condition characterized by progressive luminal size reduction of one or more pulmonary veins (PVs), which can increase postcapillary pressure resulting in shortness of breath, cough, hemoptysis, and pulmonary hypertension (PH). (stanford.edu)
PV stenosis is a rare but recognized complication of catheter-based radiofrequency ablation (RFA) for atrial fibrillation (AF). (stanford.edu)

The first 100 consecutive patients undergoing their first pulmonary vein catheter ablation procedure for highly symptomatic, drug resistant AF in the period 1999-2002. (bmj.com)
Ablation therapy may be superior to antiarrhythmics in selected patients, including those with paroxysmal atrial fibrillation who are symptomatic but without structural heart disease, patients who are intolerant of antiarrhythmics, and patients with inadequate pharmacologic rhythm control. (aafp.org)
Diagnosed with Symptomatic paroxysmal atrial fibrillation (PAF) defined as as atrial fibrillation (AF) that terminates spontaneously or with intervention within 7 days of onset. (who.int)

To report six month outcome in patients undergoing their first pulmonary vein ablation procedure for idiopathic atrial fibrillation (AF) at a "non-pioneering" hospital. (bmj.com)
In selected patients with drug resistant AF, focal pulmonary vein catheter ablation offers a realistic prospect of achieving stable sinus rhythm compared with alternatives. (bmj.com)
In the AFFIRM study (Atrial Fibrillation Follow-up Investigation of Rhythm Management), an insignificant trend toward increased mortality was noted in the rate control group, and importantly, no evidence suggested that the rhythm-control strategy protected patients from stroke. (medscape.com)
Simple electric isolation of the origins of the pulmonary veins has proven roughly up to 80% successful in substantially reducing frequency and duration of AF in patients who do not tolerate AF well. (medscape.com)
One reason for this may be that once the heart has undergone atrial remodeling as in the case of chronic atrial fibrillation patients, largely 50 and older, it is much more difficult to correct the 'bad' electrical pathways. (wikipedia.org)
Localization of left atrial ganglionated plexi in patients with atrial fibrillation: techniques and technology. (springer.com)
Predictive value of premature atrial complex characteristics in pulmonary vein isolation for patients with paroxysmal atrial fibrillation. (cepia.team)
We investigated consecutive patients who underwent catheter ablation for paroxysmal atrial fibrillation from January 2013 to April 2017 in two French centres. (cepia.team)
Patients were included if they were treated with pulmonary vein isolation alone, and had 24-hour Holter electrocardiogram data before catheter ablation available and a follow-up of≥6 months. (cepia.team)
There is no consensus on the most efficient catheter ablation (CA) strategy for patients with atrial fibrillation (AF). (biomedcentral.com)
The clinical problem is that the AF population is heterogeneous, and pulmonary vein isolation (PVI) alone is not the solution for all patients. (biomedcentral.com)
Atrial ventricular nodal ablation is recommended for patients refractory to medical therapy, usually older patients needing a pacemaker. (aafp.org)
UC San Francisco researchers found that alcohol has an immediate effect on the heart in patients with atrial fibrillation (AFib), the most common life-threatening heart-rhythm disorder. (scienceblog.com)
The study patients were all undergoing a scheduled, standard "catheter ablation" procedure, the most effective method to suppress atrial fibrillation episodes. (scienceblog.com)
Atrial fibrillation tends to occur in patients with an underlying heart disorder. (msdmanuals.com)
Permanent atrial fibrillation cannot be converted to sinus rhythm (the term also includes patients for whom a decision has been made not to attempt conversion to sinus rhythm). (msdmanuals.com)
bed into the left ventricle, from where or intramyocardial, However, when a Most patients with calcification of it could reach any part of the body cyst is located in subendocardial en- the cyst wall remain asymptomatic for through systemic circulation [1-3]. (who.int)

[ 19 ] The clinical decision to use a rhythm-control or rate-control strategy requires an integrated consideration of several factors, including degree of symptoms, likelihood of successful cardioversion, presence of comorbidities, and candidacy for AF ablation (eg, catheter-based pulmonary vein electric isolation or surgical ablation). (medscape.com)
After 12 months, participants receiving catheter ablation were more likely to be free of atrial fibrillation, and less likely to need cardioversion. (wikipedia.org)

Electrical Substrate Ablation for Refractory Ventricular Fibrillation: Results of the AVATAR Study. (stanford.edu)
Background - Refractory ventricular fibrillation (VF) is a challenging clinical entity, for which ablation of triggering premature ventricular complexes (PVCs) is described. (stanford.edu)
arrest, respiratory arrest, or ventricular fibrillation without showing the etiology. (cdc.gov)

If you have atrial fibrillation (a condition in which the heart beats irregularly, increasing the chance of clots forming in the body, and possibly causing strokes) and are taking apixaban to help prevent strokes or serious blood clots, you are at a higher risk of having a stroke after you stop taking this medication. (medlineplus.gov)
Apixaban is used to help prevent strokes or blood clots in people who have atrial fibrillation (a condition in which the heart beats irregularly, increasing the chance of clots forming in the body and possibly causing strokes) that is not caused by heart valve disease. (medlineplus.gov)
AFib contributes to about 158,000 U.S. deaths each year and is a leading cause of stroke, as blood clots can form inside fibrillation-prone atria. (scienceblog.com)

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)

LBNP reduces venous return, deactivating atrial receptors, thereby eliciting a reflex increase in SVRI to maintain MAP. (springer.com)
We aimed to develop a convenient, safe, effective and fast method of pulmonary vein isolation (PVI) utilizing a penta-spline PFA catheter via a single femoral vein and a venous closure system. (go.jp)
HN - 2008 BX - Granulosa Cells, Cumulus MH - Coronary Sinus UI - D054326 MN - A07.231.908.194.500 MS - A short vein that collects about two thirds of the venous blood from the MYOCARDIUM and drains into the RIGHT ATRIUM. (bvsalud.org)
HN - 2008 MH - Transverse Sinuses UI - D054064 MN - A07.231.908.224.833 MS - The two large endothelium-lined venous channels that begin at the internal occipital protuberance at the back and lower part of the CRANIUM and travels laterally and forward ending in the internal jugular vein (JUGULAR VEINS). (bvsalud.org)

This Review focuses on the mechanistic rationale for the development of new anti-atrial fibrillation drugs, on the molecular and structural motifs that they target and on the results obtained so far in experimental and clinical studies. (nature.com)
Because normal electrocardiographic findings do not rule out atrial fibrillation, home monitoring is recommended if there is clinical suspicion of arrhythmia despite normal test results. (aafp.org)

abstract = "Background - Most of the ectopic beats initiating paroxysmal atrial fibrillation (PAF) originate from the pulmonary vein (PV). (tmu.edu.tw)

Premature atrial complexes from pulmonary veins are the main triggers for atrial fibrillation in the early stages. (cepia.team)
(1) The posterior wall of the left atrium is hypothesized to be a territory rich in triggers for the formation of atrial fibrillation. (acc.org)
Paroxysmal atrial fibrillation (AF) is mostly underpinned by local triggers, particularly from pulmonary veins. (wjgnet.com)
Micro-reentry and enhanced automaticity in one or more atrial circuits are the most common triggers for atrial fibrillation. (aafp.org)

These abnormal signals tend to originate where the pulmonary veins empty into the left atrium. (stanford.edu)
According to senior study author Gregory Marcus , MD, professor of medicine in the Division of Cardiology at UCSF, "The acute impact of exposure to alcohol is a reduction in the time needed for certain heart muscle cells in the left atrium to recover after being electrically activated and to be ready to activated again, particularly in the pulmonary veins that empty into the left atrium. (scienceblog.com)

Left atrial appendage obliteration is an option for reducing stroke risk. (aafp.org)
Atrial fibrillation is associated with a fivefold increased risk of stroke, 3 - 5 and it is the most common arrhythmia. (aafp.org)

Criteria to predict mid-term outcome after stenting of chronic iliac vein obstructions (PROMISE trial). (uzh.ch)
Mortality Related to Chronic Obstructive Pulmonary Disease during the COVID-19 Pandemic: An Analysis of Multiple Causes of Death through Different Epidemic Waves in Veneto, Italy. (uzh.ch)

Introduction: Understanding the structural remodeling and reverse remodeling of the left atrium (LA) and pulmonary vein (PV) after radiofrequency ablation of atrial fibrillation (AF) may provide important insights into the mechanism and management of AF. (tmu.edu.tw)
However, currently available radiofrequency catheters were designed for other heart rhythm problems, not for atrial fibrillation. (stanford.edu)
Purpose Advanced non-fluoroscopic mapping systems for radiofrequency ablation (RFA) have shown to be an effective treatment of atrial fibrillation. (unav.edu)
Radiofrequency (RF) catheter ablation has been a standout success in some forms of atrial fibrillation (AF) but not an unqualified success - it doesn't always work and has safety issues and other limitations. (medscape.com)

As AF contributes to pathologic atrial and ventricular remodeling, restoration of sinus rhythm can slow or, in some cases, reverse atrial dilatation and left ventricular dysfunction. (medscape.com)

One type of catheter ablation is pulmonary vein isolation, where the ablation is done in the left atrium in the area where the 4 pulmonary veins connect. (wikipedia.org)
The left superior pulmonary vein demonstrated the earliest potentials 40msec in advance of the surface p wave (Figure 3). (acc.org)
We decided to ablate in this region, which was anatomically on the mid posterior wall of the left atrium at the os of the left superior pulmonary vein. (acc.org)
The p wave in lead V1 is entirely positive, suggesting a left atrial focus. (acc.org)
This procedure targets elimination of the electrical connection between the pulmonary veins and the left atrium, the same area noted to be affected exposure to alcohol in the current study. (scienceblog.com)
Partially reversible lung consolidation after revascularization of a total occlusion of both left pulmonary veins following ablation of atrial fibrillation: a case report. (uzh.ch)
HN - 2008 BX - Lateral Sinus MH - Atrial Septum UI - D054087 MN - A07.541.459.249 MS - The thin membrane-like muscular structure separating the right and the left upper chambers (HEART ATRIA) of a heart. (bvsalud.org)

citation needed] Catheter ablation procedure involves advancing several flexible catheters into the patient's blood vessels, usually either in the femoral vein, internal jugular vein, or subclavian vein. (wikipedia.org)
all had an acute successful pulmonary vein isolation procedure, and 34 (33%) had atrial arrhythmia recurrences during a mean follow-up of 30±15 months (group 1). (cepia.team)

Paul Wang is one of the inventors of a treatment for an abnormal heart rhythm, paroxysmal atrial fribrialtion. (stanford.edu)
it was with Tsuji's heart: He had paroxysmal atrial fibrillation, an abnormal heart rhythm that would come and go for periods ranging from a few seconds to a few hours. (stanford.edu)

Atrial fibrillation is a supraventricular arrhythmia characterized by uncoordinated electrical activation of the atria and an irregular, often rapid, ventricular response causing hemodynamic compromise. (aafp.org)

The main goal of treatment for atrial fibrillation (AF) is to treat symptoms and/or arrhythmia-induced heart failure. (biomedcentral.com)

The location of the cyst in myocardi- may radiate to the epigastrium and it passes through the pulmonary vascular al tissue is subepicardial, subendocardial may closely mimic acute abdomen. (who.int)

2020 ESC Guidelines for the diagnosis and management of atrial fibrillation developed in collaboration with the European Association of Cardio-Thoracic Surgery (EACTS). (escardio.org)
Pulse rate is sensitive, but not specific, for diagnosis, and suspected atrial fibrillation should be confirmed with 12-lead electrocardiography. (aafp.org)
Although epidemiological studies have found an association between self-reported alcohol consumption and the development of an atrial fibrillation diagnosis, ours is the first study to point to a mechanism through which a lifestyle factor can acutely change the electrical properties of the heart to increase the chance of an arrhythmia," Marcus said. (scienceblog.com)

Atrial fibrillation (AFib) is a common heart rhythm disorder. (healthline.com)
An estimated 2.7 million Americans have the heart rhythm disorder atrial fibrillation (AF), and that number is expected to rise as the population ages. (modernhealthcare.com)

citation needed] Pulmonary vein isolation has been found to be more effective than optimized antiarrhythmic drug therapy for improving quality of life at 12 months after treatment. (wikipedia.org)
Understanding pulmonary vein (PV) function before and after catheter ablation can validate the benefit of the treatment and provide mechanistic insight into atrial fibrillation (AF). (nycu.edu.tw)
Stanford Hospital is one of the few California hospitals now offering it for the treatment of paroxysmal atrial fibrillation that does not respond to drug therapy. (stanford.edu)

Anatomy40

Organisms1

Diseases52

Chemicals and Drugs28

Analytical, Diagnostic and Therapeutic Techniques and Equipment80

Psychiatry and Psychology1

Phenomena and Processes20

Disciplines and Occupations3

Information Science8

Health Care31

Deep vein throm11

Embolism10

Persistent16

Recurrence7

Tachycardia17

Flutter4

Cryoballoon2

Added to pulmonary vein isolation1

Maintenance of atrial fibrillation2

Anticoagulation3

Cornerstone of catheter ablation2

Risk of embolic stroke3

Right atrial3

Arrhythmias5

Complications1

Cardiac9

Stenosis5

Symptomatic3

Patients17

Cardioversion2

Ventricular fibrillation3

Blood clots3

Valvular heart d1

Venous4

Clinical2

Abstract1

Triggers4

Empty into the left atrium2

Stroke2

Chronic2

Radiofrequency4

Dilatation1

Left7

Procedure2

Abnormal heart rhythm2

Supraventricular1

Symptoms1

Vascular1

Diagnosis3

Heart rhythm disorder2

Treatment3