Atrial fibrillation and ventricular. Medical search. Frequent questions

Arrhythmias are generally categorized as ventricular or supraventricular.1 Ventricular arrhythmias are a condition in which extra heartbeats originate from the lower chambers of the heart and can be classified as ventricular tachycardia, ventricular fibrillation, or premature ventricular contractions. (bartleby.com)
Ventricular tachycardia is rare but serious. (healthline.com)
Ventricular tachycardia can increase the risk of heart attacks. (healthline.com)
By implementing dedicated algorithms and sensing parameters similar to those of implanted cardioverter defibrillators (ICDs) and pacemakers, the new-generation ICMs are also able to automatically detect (i.e. without any active intervention by the patient) any kind of arrhythmic event (Fig. 1): from bradycardia to asystole, and from atrial fibrillation (AF) to ventricular tachycardia. (medscape.com)
panel C) ventricular tachycardia. (medscape.com)
According to the U.S. Food and Drug Administration (FDA), sotalol can be validly used to maintain a normal heart rhythm in people with life-threatening ventricular arrhythmias (e.g., ventricular tachycardia), or very symptomatic atrial fibrillation or flutter. (wikipedia.org)
In rare cases, the QT prolongation caused by sotalol can lead to the development of life-threatening torsade de pointes (TdP) polymorphic ventricular tachycardia. (wikipedia.org)
For patients who had a history of sustained ventricular tachycardia (abnormal rhythm lasting more than 30 seconds), 4% developed TdP. (wikipedia.org)
The incidence of TdP for sustained ventricular tachycardia patients was 0% with an 80 mg daily dose, 0.5% at 160 mg, 1.6% at 320 mg, 4.4% at 480 mg, 3.7% at 640 mg, and 5.8% at doses greater than 640 mg. (wikipedia.org)
Sendra-Ferrer M , Gonzalez MD. Ibutilide for the control of refractory ventricular tachycardia and ventricular fibrillation in patients with myocardial ischemia and hemodynamic instability. (muhealth.org)
Not only is the risk of death in patients with AF twice that of patients without AF, but AF can result in myocardial ischemia or even infarction, heart failure exacerbation, and tachycardia-induced cardiomyopathy if the ventricular rate is not well-controlled. (ahrq.gov)
: Patients with severe COVID-19 requiring mechanical ventilation are 16 times more likely to develop ventricular tachycardia within six months compared to their peers without severe infection, according to research presented at EHRA 2023, a scientific congress of the European Society of Cardiology (ESC). (eurekalert.org)
The actual likelihood of developing ventricular tachycardia or other arrhythmias after severe COVID-19 is low for the individual patient, but much higher than in those without severe infection," said study author Dr. Marcus Stahlberg of the Karolinska Institute, Stockholm, Sweden. (eurekalert.org)
The primary outcome was hospitalisation with ventricular tachycardia, atrial fibrillation, other tachyarrhythmias, or bradycardia/pacemaker implantation. (eurekalert.org)
Ventricular tachycardia is a potentially life-threatening heart rhythm disturbance that occurs when the ventricle beats too fast to pump properly causing the body to receive insufficient oxygenated blood. (eurekalert.org)
Compared to the control group, patients who had severe COVID-19 requiring mechanical ventilation had a 16-fold risk of ventricular tachycardia, 13-fold risk of atrial fibrillation, 14-fold risk of other tachyarrhythmias, and 9-fold risk of bradycardia/pacemaker implantation. (eurekalert.org)

Further theoretical concerns were highlighted by Shenasa and colleagues5 who studied patients undergoing electrophysiological studies for the investigation of both AF and ventricular arrhythmias. (bestbets.org)
Supraventricular arrhythmias originate in the upper chambers of the heart and can be less serious than ventricular arrhythmias. (bartleby.com)
In particular, ICMs may have an emerging role in the management of patients with atrial fibrillation and in those at risk of ventricular arrhythmias. (medscape.com)
Due to the risk of serious side effects, the FDA states that sotalol should generally be reserved for people whose ventricular arrhythmias are life-threatening, or whose fibrillation/flutter cannot be resolved using the Valsalva maneuver or another simple method. (wikipedia.org)
AF can occur with other atrial arrhythmias of which atrial flutter is the most common entity. (cyberounds.com)
In addition, e-cigarette puffs from a menthol-flavored e-liquid or from propylene glycol alone caused ventricular arrhythmias and other conduction irregularities in the heart. (sciencedaily.com)
HCM is an inherited heart disorder which results in abnormal thickening of the heart walls (hypertrophy) that can lead to heart failure (HF), atrial fibrillation, and sudden death due to ventricular arrhythmias . (cdc.gov)

Atrial flutter and atrial fibrillation may increase the likelihood of a blood clot. (healthline.com)
This only applies to PM-5: Atrial Fibrillation/Atrial Flutter: Anticoagulation Prescribed. (hrsonline.org)
Atrial fibrillation, flutter and ventricular premature complexes can also be found. (escardio.org)

Across several clinical trials, 0.6% of oral sotalol patients with supraventricular abnormal heart rhythms (such as atrial fibrillation) developed TdP. (wikipedia.org)
Atrial fibrillation is a supraventricular arrhythmia that adversely affects cardiac function and increases the risk of stroke. (aafp.org)
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)
Atrial fibrillation (AF) is defined as a tachyarrhythmia of supraventricular origin leading to deterioration in mechanical function of the … atrium. (cyberounds.com)

6 - 8 The prevalence of atrial fibrillation increases with age, and the associated cost of medical care is high. (aafp.org)
Population aging is associated with an increased prevalence of atrial fibrillation (AF) and dementia. (revespcardiol.org)
Prevalence of Atrial Fibrillation in Spain. (revespcardiol.org)
The aim of this study was to estimate the prevalence of atrial fibrillation in Spain. (revespcardiol.org)
The overall age-adjusted prevalence of atrial fibrillation was 4.4% (95% confidence interval, 3.8-5.1). (revespcardiol.org)
Overall, the prevalence of atrial fibrillation was unchanged after closure. (lu.se)

Left ventricular dysfunction is another risk factor for thromboembolism, as a result of blood stagnation and local myocardial injury. (nih.gov)
Moreover, it is not completely clarified if the presence of deep intertrabecular recesses causing stagnant blood flow can constitute per se a thrombogenic substrate even in absence of ventricular dysfunction. (nih.gov)
Mitral regurgitation is related to posterior papillary muscle dysfunction.Additionally, the sudden onset of cardiac symptoms accompanied by deterioration of left ventricular function in young DMD patients already on treatment with a prednisone derivate, that postpones the development of DMD cardiomyopathy, should raise the suspicion of possible myocarditis (3). (escardio.org)
However, a subset of patients do not improve, in which we suggest that concealed left ventricular dysfunction may play a causative role. (lu.se)
Heart Failure (HF) Heart failure (HF) is a syndrome of ventricular dysfunction. (msdmanuals.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)
Experimental model for paroxysmal atrial fibrillation arising at the pulmonary vein-atrial junctions. (springer.com)
Bettoni M, Zimmermann M. Autonomic tone variations before the onset of paroxysmal atrial fibrillation. (springer.com)
Autonomic denervation added to pulmonary vein isolation for paroxysmal atrial fibrillation: a randomized clinical trial. (springer.com)
BrS is associated with an increased risk of syncope, palpitations, chest pain, convulsions, difficulty in breathing (nocturnal agonal breathing) and/or Sudden Cardiac Death (SCD) secondary to PVT/VF, unexplained cardiac arrest or documented PVT/VF or Paroxysmal atrial fibrillation (AF) in the absence of apparent macroscopic or structural heart disease, electrolyte disturbance, use of certain medications or coronary heart disease and fever. (bvsalud.org)

Ablation therapy is used to destroy abnormal foci responsible for atrial fibrillation. (aafp.org)
Atrial ventricular nodal ablation is recommended for patients refractory to medical therapy, usually older patients needing a pacemaker. (aafp.org)
Pulmonary vein region ablation in experimental vagal atrial fibrillation: role of pulmonary veins versus autonomic ganglia. (springer.com)
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)
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)

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)
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)
Atrial fibrillation is associated with a fivefold increased risk of stroke, 3 - 5 and it is the most common arrhythmia. (aafp.org)
Atrial fibrillation is the most common sustained cardiac arrhythmia, affecting approximately 2.2 million Americans1 and responsible for up to 30% of all ischemic strokes.2 It has a higher prevalence among elderly, hypertensive, and diabetic patients and among men, all of whom also have a higher prevalence of coronary artery disease (CAD). (hcplive.com)
Inside the hospital's Emergency Department, an electrocardiogram (EKG) showed the Trainee was suffering from a heart attack and a cardiac arrhythmia (atrial fibrillation with rapid ventricular response). (cdc.gov)
Recent data from the Sarcomeric Human Cardiomyopathy Registry (SHaRe) , an international consortium of HCM centers of excellence and the largest cohort study of HCM to date, has shown that those diagnosed with HCM before age 40 have a ~90% lifetime chance of developing a significant HCM-related complication along with a ~30% lifetime chance of sustaining a potentially life-threatening ventricular arrhythmia. (cdc.gov)

Atrial fibrillation (AFib) is a common heart rhythm disorder. (healthline.com)
When you have atrial fibrillation (AFib), the medications your doctor gives you are designed to keep your heart rate under control. (webmd.com)

These fibrillatory waves lead to an irregular rapid ventricular response. (cyberounds.com)
This condition causes the heart to develop an irregular rhythm, usually with a rapid ventricular rate. (medicalnewstoday.com)
Atrial fibrillation is an irregular and fast heartbeat that causes shortness of breath and raises the risk of stroke. (eurekalert.org)

An implantable cardioverter defibrillator (ICD) is an electronic device designed to diagnose and treat life-threatening ventricular tachyarrhythmias. (cms.gov)

Corresponding incidence rates of atrial fibrillation per 1,000 person-years were 18 (95% CI, 11-26) for statin users and 37 (95% CI, 26-54) for nonusers (figure). (hcplive.com)

Pre-excited Atrial Fibrillation (antegrade conduction via accessory pathway, e.g. (fpnotebook.com)
The purpose of this clinical study is to test the hypothesis that market released Cardiac Resynchronization Therapy (CRT) devices which contain the AdaptivCRT® (aCRT) algorithm have a superior outcome compared to standard CRT devices in CRT indicated patients with normal atrio-ventricular (AV) conduction and left bundle branch block (LBBB). (stanford.edu)

PATIENTS--16 patients undergoing cardioversion of atrial fibrillation in whom sinus rhythm had persisted for 24 hours or more. (bmj.com)
BestBets: Which is the best calcium channel blocker for controlling the ventricular rate in patients with atrial fibrillation? (bestbets.org)
Surgical treatments for atrial fibrillation are reserved for patients who are undergoing cardiac surgery for other reasons. (aafp.org)
December 7, 2020-There were two changes to the performance measures , both prompted by recent changes to the 2019 AHA/ACC/HRS Focused Update of the 2014 AHA/ACC/HRS Guideline for the Management of Patients With Atrial Fibrillation . (hrsonline.org)
Oral Anticoagulation Use in High Risk Patients Is Improved by Elimination of False Positive and Inactive Atrial Fibrillation Cases. (muhealth.org)
The 2011 Focused Update on the Management of Patients with Atrial Fibrillation-by the American College of Cardiology Foundation (ACCF), the AHA, and the Heart Rhythm Society (HRS)-addressed the issue of strict versus lenient rate control in patients with AF. (ahrq.gov)
Patients with a personal history of sustained ventricular tachyarrhythmia (VT) or cardiac arrest due to ventricular fibrillation (VF). (cms.gov)
Patients with a prior MI and a measured left ventricular ejection fraction (LVEF) ≤ 0.30. (cms.gov)
Ximelagatran vs warfarin for stroke prevention in patients with nonvalvular atrial fibrillation: a randomized trial. (bmj.com)
Q In patients with non-valvular atrial fibrillation requiring long term oral anticoagulant therapy, is fixed dose oral ximelagatran non-inferior to adjusted dose warfarin for preventing stroke and systemic embolism? (bmj.com)
Clinical trials have shown that HMG-CoA reductase inhibitors (statins) are effective for the primary and secondary prevention of CAD.3,4 We hypothesized that statin therapy might have a beneficial effect on the prevention of atrial fibrillation in patients with CAD because of shared risk factors. (hcplive.com)
We studied patients with stable chronic CAD, without a history of atrial fibrillation, enrolled in an ongoing observational study. (hcplive.com)
A total of 606 patients with at least 1 year's worth of follow-up data, complete medication information, and information on history of atrial fibrillation were eligible for this study. (hcplive.com)
Thirty-three patients with previous atrial fi-brillation were excluded, and 124 patients (20%) who had used nonstatin cholesterol-lowering drugs were excluded from the main analysis. (hcplive.com)
Impact of anticoagulation in patients with dementia and atrial fibrillation. (revespcardiol.org)
Localization of left atrial ganglionated plexi in patients with atrial fibrillation: techniques and technology. (springer.com)
Ninety percent of patients with significant mitral stenosis and sinus rhythm display electrical evidence of left atrial enlargement. (medscape.com)
NYHA deteriorated in 9 patients, despite reduced right ventricular size. (lu.se)
Importantly, stroke risk in HCM is independent of traditional risk stratification tools used for patients with atrial fibrillation. (cdc.gov)
Therefore, early detection is of paramount importance as initiation of anticoagulant therapy to reduce stroke risk is advised for all patients with HCM and atrial fibrillation, a recommendation that differs from individuals without HCM who have atrial fibrillation. (cdc.gov)

Atrial fibrillation (AF) is common in acute situations where it is linked with more complications and mortality. (elsevier.es)

Atrial and ventricular function after cardioversion of atrial fibrillation. (bmj.com)
OBJECTIVE--Previous studies on atrial recovery after cardioversion of atrial fibrillation have not taken into account new knowledge about the pathophysiology of transmitral and transtricuspid flow velocity patterns. (bmj.com)
CONCLUSIONS--This study indicates that, in addition to the previously known electromechanical dissociation of atrial recovery that exists after cardioversion of atrial fibrillation, there may also be a transient deterioration of ventricular function modulating the transvalvar inflow velocity recordings. (bmj.com)

If the patient presents to with a history of atrial fib, whether persistent or intermittent, you are certain that they are at an increased risk for cardiac disease, presently, or in future. (checkbiotech.org)

In addition to sudden death, symptoms of HF occur with a lifetime incidence of ~70% in HCM , and approximately 5% of individuals will develop medically refractory HF that leads to premature death or the need for advanced HF therapies such as heart transplantation or a surgically implanted mechanical heart pump (left ventricular assist device, or LVAD). (cdc.gov)

Prevention of atrial fibrillation: report from a National Heart, Lung, and Blood Institute workshop. (nature.com)
randomised controlled trial (Stroke Prevention using an Oral Thrombin Inhibitor in Atrial Fibrillation [SPORTIF] V). (bmj.com)

There was a similar time course for the amplitude of annulus atrial components, an increased systolic component of venous inflow, an increased A wave velocity, and a decreased E/A ratio of the transvalvar velocity curves. (bmj.com)
0.001) and right ventricular systolic pressure dropped significantly. (lu.se)
Improvement of NYHA class was associated with reduced right ventricular systolic pressure but not with remodelling of the right heart. (lu.se)

The risk of developing atrial fibrillation was stratified for several known risk factors of atrial fi-brillation: advanced age, male sex, and hypertension (table 2). (hcplive.com)
With severe pulmonary hypertension, right-axis deviation and right ventricular hypertrophy can be seen. (medscape.com)

Use chest radiography to look for left atrial, pulmonary artery, right ventricle, and/or right atrium enlargement (eg, straightening of left heart border, loss of aortic window). (medscape.com)
Dilatation of the veins promotes peripheral pooling of blood, decreases venous return to the heart, thereby reducing left ventricular end-diastolic pressure and pulmonary capillary wedge pressure (preload). (nih.gov)

We calculated the relative risks of developing atrial fibrillation and their accompanying 95% confidence intervals (CIs), which were estimated from a Cox proportional hazards regression model. (hcplive.com)

Left ventricular (LV) failure causes shortness of breath and fatigue, and right ventricular (RV) failure causes peripheral and abdominal. (msdmanuals.com)

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)
13 However, since the development of the ACC/AHA/ESC Guidelines many additional studies have been published on the comparative safety and effectiveness of the different available medications used for ventricular rate control in clinical practice. (ahrq.gov)

A transient left ventricular apical hypertrophy is sometimes associated with TAKOTSUBO CARDIOMYOPATHY. (bvsalud.org)

Heart failure (HF) increases the risk of stroke and thrombo-embolism (TE) in non-valvular atrial fibrillation (NVAF), and is incorporated in stroke risk stratification scores. (nih.gov)
The first, which impacts all the performance measures (see Appendix A, for the changes and measure specifications), is the clarification that valvular atrial fibrillation is atrial fibrillation with either moderate or severe mitral stenosis or a mechanical heart valve. (hrsonline.org)

endocarditis, atrial and ventricular mu- ing treatment of coronary embolism. (who.int)

May 20, 2023-The Heart Rhythm Society (HRS), Asia Pacific Heart Rhythm Society (APHRS), and Latin American Heart Rhythm Society (LAHRS) have partnered to provide guidance on cardiac physiologic pacing strategies to restore ventricular synchrony and improve cardiac performance. (hrsonline.org)

The syndrome is caused by changes in the structure and function of certain cardiac ion channels and reduced expression of Connexin 43 (Cx43) in the Right Ventricle (RV), predominantly in the Right Ventricular Outflow Tract (VSVD), causing electromechanical abnormalities. (bvsalud.org)

A hypertrophic cardiomyopathy characterized by apical hypertrophy, typically LEFT VENTRICULAR HYPERTROPHY (described as "ace of spades" sign), and deep T-wave inversions in EKG. (bvsalud.org)

right atrial myxoma, congenital malformations, and metastatic tumors. (msdmanuals.com)

Atrial fibrillation is associated with substantial morbidity and mortality and both its incidence and prevalence are high. (revespcardiol.org)
Finally, atrial fibrillation, a common cause of disabling strokes, occurs at a higher incidence in HCM relative to the general population, particularly in younger individuals . (cdc.gov)

LBNP reduces venous return, deactivating atrial receptors, thereby eliciting a reflex increase in SVRI to maintain MAP. (springer.com)

Other tachyarrhythmias" refers to a fast heartbeat not caused by atrial fibrillation. (eurekalert.org)

1. chronic atrial fibrillation or ventricular trigemini, 2. (who.int)

Anatomy19

Organisms2

Diseases51

Chemicals and Drugs27

Analytical, Diagnostic and Therapeutic Techniques and Equipment62

Psychiatry and Psychology1

Phenomena and Processes13

Disciplines and Occupations3

Information Science6

Health Care25

Geographicals1

Tachycardia16

Arrhythmias7

Flutter3

Supraventricular4

Prevalence of atrial fibrillation6

Dysfunction5

Paroxysmal5

Ablation7

Arrhythmia7

AFib2

Irregular3

Life-threatening1

1,000 person-years1

Conduction2

Patients20

Complications1

Cardioversion3

History of atrial1

Refractory1

Prevention2

Systolic3

Hypertension2

Pulmonary2

Confidence Intervals1

Shortness of bre1

Clinical2

Transient1

Valvular2

Embolism1

Rhythm1

Right ventricle1

Hypertrophic cardiomyopathy1

Congenital1

Incidence2

Venous1

Heartbeat1

Chronic1