• We investigated the association between body mass index (BMI) and the risk for ectopic ventricular activity (defined as multiple ventricular premature beats (≥3), ventricular bigeminy, nonsustained ventricular tachycardia or sustained ventricular tachycardia) during exercise stress testing among 22,516 apparently healthy men and women who attended periodic health screening examinations between the years 2000 and 2014. (nih.gov)
  • Background Premature ventricular contractions (PVCs) and nonsustained ventricular tachycardia (NSVT) are known to be associated with reduced left ventricular (LV) ejection fraction and adverse outcomes in patients with structural heart disease . (bvsalud.org)
  • This atlas may be useful in comparing the localisation of ventricular tachycardia with the site of underlying cardiac disease and may facilitate mapping in patients with refractory ventricular tachycardia requiring ablation (either surgical or by high energy impulses). (bmj.com)
  • In such circumstances non-pharmacological methods of arrhythmia management such as endocardial resection and ventricular tachycardia ablation are currently employed, despite the high risk of these procedures in the unstable patient. (bmj.com)
  • Supraventricular arrhythmias can often be managed with medications, lifestyle changes, and procedures such as catheter ablation. (lantpark.com)
  • During 42% of the PAM VAs, a sharp ventricular prepotential was recorded at the successful ablation site. (umn.edu)
  • Medical therapy and catheter ablation will remain cornerstones of arrhythmia management for the foreseeable future. (cardiacrhythmnews.com)
  • The Annual International Symposium on Ventricular Arrhythmias provides an up-to-date overview of the basic pathophysiology of ventricular arrhythmias and explores the latest management strategies, including implantable device therapy and advances in catheter ablation techniques. (10times.com)
  • The class I and III agents are all effective in reducing ventricular premature beats but often cause side effects and may exacerbate serious arrhythmias in 5-20% of patients. (health.am)
  • In nonacute settings, most patients with ventricular tachycardia have known or easily detectable cardiac disease, and the finding of ventricular tachycardia is an unfavorable prognostic sign. (health.am)
  • Patients with coronary artery disease often undergo an exercise test that examines ventricular rhythm under circumstances in which part of the heart is receiving insufficient blood. (britannica.com)
  • This is a useful way of predicting potential problems associated with ventricular arrhythmias in these patients. (britannica.com)
  • Treatment of ventricular arrhythmias in patients without coexisting cardiac disease is variable and, in some cases, is not required. (britannica.com)
  • In patients with moderate to severe congestive heart failure , cardiac arrhythmias are the most common cause of death. (britannica.com)
  • Ventricular Arrhythmias: Which Patients Benefit Most From an ICD? (medpagetoday.com)
  • While previous data supporting primary ICD therapy for prevention of sudden cardiac death is generally considered more robust among patients with ischemic cardiomyopathy [ICM], our findings indicate that patients with non-ischemic cardiomyopathy [NICM] who receive a primary prevention ICD in fact have similar frequencies of both potentially lethal ventricular arrhythmias and appropriate ICD therapy as those with ischemic disease. (medpagetoday.com)
  • Pediatric patients with surgical ventricular scars, such as those with postoperative ventricular tachycardia (VT) after repair of tetralogy of Fallot , are commonly cited examples of this mechanism. (medscape.com)
  • Large multi-institutional placebo-controlled, double-blinded trials in human cardiology (notably the CAST trials) have shown that although ventricular antiarrhythmic drugs can eliminate the arrhythmia and restore sinus rhythm, the human patients whose rhythm was improved this way died in significantly greater numbers than did the untreated (placebo) patients. (vin.com)
  • ventricular arrhythmia (VA) is a major cause of clinical deterioration and demise in patients with NIDCM [ 3 - 6 ]. (hindawi.com)
  • Baseline parameters in NIDCM patients with and without ventricular arrhythmia. (hindawi.com)
  • DESIGN Retrospective analysis of the outcome of patients with ventricular arrhythmia treated with IABCP after transfer between 1992 and 1997. (bmj.com)
  • PATIENTS 21 patients (mean age 58 years) who underwent IABCP for control of ventricular arrhythmia. (bmj.com)
  • IABCP resulted in suppression of ventricular arrhythmia in 18 patients, of whom 13 were weaned from IABCP. (bmj.com)
  • After stabilisation of ventricular arrhythmia, 10 patients were maintained on medical treatment alone and one underwent endocardial resection. (bmj.com)
  • IABCP failed to control ventricular arrhythmia in three patients and was subsequently discontinued. (bmj.com)
  • In patients with impaired left ventricular function, medically refractory ventricular arrhythmia can present a difficult management problem. (bmj.com)
  • In this report we describe a retrospective review of the efficacy of IABCP in controlling ventricular arrhythmia in patients resistant to antiarrhythmic drug treatment, repeated dc cardioversion, and pacing strategies. (bmj.com)
  • Between 1992 and 1997, 21 patients (17 male, four female) were transferred to our unit (a cardiac tertiary referral centre) with medically resistant ventricular arrhythmia for further management, and were considered suitable for IABCP. (bmj.com)
  • Risk stratification of ventricular arrhythmias in patients with repaired tetralogy of Fallot (rTOF) remains unresolved. (revespcardiol.org)
  • We aimed to identify right ventricular (RV) electrophysiological parameters potentially associated with a higher risk of ventricular arrhythmias in patients with rTOF. (revespcardiol.org)
  • Objectives: This study sought to test the hypothesis that a vectorcardiographic parameter, the QRS vector magnitude (QRSVm), can risk stratify those patients at risk for sustained spontaneous ventricular arrhythmias (VAs) or ventricular arrhythmia inducibility (VAI) in a large cohort of patients with tetralogy of Fallot (TOF). (lu.se)
  • Sectral (acebutolol HCl) is a selective, hydrophilic beta-adrenoreceptor blocking agent with mild intrinsic sympathomimetic activity for use in treating patients with hypertension and ventricular arrhythmias . (rxlist.com)
  • However, the patients at highest risk are those with a left ventricular ejection fraction of 35% or below. (njfaint.com)
  • Patients with only moderate left ventricular dysfunction (ejection fraction above 35%) may benefit from electrophysiologic testing, though several studies have suggested that EP testing is not as predictive as was once thought in patients with a low ejection fraction. (njfaint.com)
  • Patients with near normal ejection fractions generally have a favorable prognosis (in the absence of symptoms such as syncope or presyncope) and treatment of ventricular ectopy should be limited to beta blocker therapy. (njfaint.com)
  • Empiric antiarrhythmic therapy for ventricular arrhythmias in patients with underlying heart disease has been associated with increased mortality, presumedly due to pro-arrhythmic effects of these potent drugs. (njfaint.com)
  • In patients over the age of forty, particularly those with a history of cardiac disease, any wide QRS tachycardia should be assumed to be ventricular in origin and should be treated as such until proven otherwise. (njfaint.com)
  • In patients with documented sustained ventricular tachycardia in the setting of coronary artery disease, the inducibility rate in the electrophysiologic laboratory is approximately ninety percent. (njfaint.com)
  • Patients with scar-related ventricular tachycardia (VT) do not often achieve a cure. (cardiacrhythmnews.com)
  • The presence of both atrial and ventricular arrhythmias in patients with cardiomyopathy is well documented and is an important factor when considering the implantation of an ICD for this subset of patients. (arrhythmiaacademy.com)
  • Methods: One hundred twenty-two consecutive ischemic cardiomyopathy patients with left ventricular ejection fraction ≤35% without prior history of VAs underwent late gadolinium enhanced cardiac magnetic resonance images. (johnshopkins.edu)
  • Cardiac Magnetic Resonance to Detect the Underlying Substrate in Patients with Frequent Idiopathic Ventricular Arrhythmias. (ox.ac.uk)
  • BACKGROUND: A routine diagnostic work-up does not identify structural abnormalities in a substantial proportion of patients with idiopathic ventricular arrhythmias (VAs). (ox.ac.uk)
  • For 2 patients, QT-interval prolongation but no arrhythmias occurred. (cdc.gov)
  • Patients who experienced arrhythmia during HD had higher left ventricular mass and left ventricular mass index, lower post-dialysis K+ level, higher QTc and QTdc both before and after HD. (who.int)
  • Ventricular arrhythmia management in patients with genetic cardiomyopathies. (cdc.gov)
  • OBJECTIVE To review the efficacy of intra-aortic balloon counterpulsation (IABCP) in medically refractory ventricular arrhythmia. (bmj.com)
  • CONCLUSIONS IABCP can be an effective means of controlling refractory ventricular arrhythmia, allowing time for the institution of more definitive treatment. (bmj.com)
  • Mechanisms and management of refractory ventricular arrhythmias in the age of autonomic modulation. (cardiacrhythmnews.com)
  • Cardiac Sympathetic Denervation for Refractory Ventricular Arrhythmias. (cardiacrhythmnews.com)
  • Bradfield JS, Vaseghi M and Shivkumar K. Renal denervation for refractory ventricular arrhythmias. (cardiacrhythmnews.com)
  • Should the etiology of cardiomyopathy, whether it's ischemic or non-ischemic, influence clinical decision-making about the use of an implantable cardioverter-defibrillator (ICD) for primary prevention of life-threatening ventricular arrhythmias? (medpagetoday.com)
  • The treatment of life-threatening ventricular arrhythmias has important parallels to the treatment of cancer (and indeed has a mortality worse than many cancers). (cardiacrhythmnews.com)
  • Spotlight on the 2022 ESC guideline management of ventricular arrhythmias and prevention of sudden cardiac death: 10 novel key aspects. (cdc.gov)
  • Because of concerns about worsening arrhythmia and sudden death with most antiarrhythmic agents, ß-blockers are the agents of first choice. (health.am)
  • Ventricular arrhythmias represent the major mechanism of cardiac sudden death , which is the leading cause of death in the United States , where each year more than 325,000 people die suddenly. (britannica.com)
  • Present indications for primary ICD placement, which are based on the presence of LVEF [left ventricular ejection fraction] ≤35% and heart failure symptomatology, appear to lack sensitivity and specificity for predicting sudden cardiac death risk," says Dr. Narins. (medpagetoday.com)
  • Ventricular arrhythmia (VA) may be an isolated and completely benign finding in children, a marker of serious systemic disease or myopathy, or a mechanism for syncope and sudden cardiac death (SCD). (medscape.com)
  • sudden death in NIDCM can be caused by ventricular tachycardia. (hindawi.com)
  • Preventing ventricular arrhythmias and sudden cardiac death in adults with repaired tetralogy of Fallot: a never-ending story? (revespcardiol.org)
  • Sudden cardiac death (SCD) is most commonly secondary to sustained ventricular arrhythmias (VAs). (whiterose.ac.uk)
  • However, ventricular arrhythmias are more likely to cause severe symptoms, including loss of consciousness, chest pain, and sudden cardiac arrest. (lantpark.com)
  • Cooper, LT 2020, ' Ventricular Arrhythmias and Sudden Cardiac Death in Lymphocytic Myocarditis ', Journal of the American College of Cardiology , vol. 75, no. 9, pp. 1058-1060. (elsevierpure.com)
  • Management of a ventricular arrhythmia can be clinically challenging, as some will be at high risk of sudden cardiac death. (safebeat.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)
  • Although an underlying arrhythmogenic substrate is necessary, the arrhythmia itself will compromise an already impaired haemodynamic state, by increasing myocardial ischaemia or left ventricular wall distension, and so exacerbate the situation. (bmj.com)
  • 2 However, this is not the only aetiology related to this condition and it is important to identify the arrhythmia substrate to guide the development of a treatment plan. (arrhythmiaacademy.com)
  • Background: Transition zones between healthy myocardium and scar form a spatially complex substrate that may give rise to reentrant ventricular arrhythmias (VAs). (johnshopkins.edu)
  • Its antiarrhythmic effect is likely to be involved in multiple mechanisms to affect both substrate and trigger of ventricular arrhythmogenesis. (ox.ac.uk)
  • A second mechanism of ventricular arrhythmia is associated with reentry of an impulse. (britannica.com)
  • Reentry mechanisms are important components of ventricular arrhythmias and may be as simple as a premature ventricular beat coupled to a normal beat or as serious as a dangerous ventricular tachycardia. (britannica.com)
  • Sustained ventricular tachycardia should be considered a potentially malignant arrhythmia, usually representing reentry within the ventricular myocardium. (njfaint.com)
  • Frolkis JP et al: Frequent ventricular ectopy after exercise as a predictor of death. (health.am)
  • Sildenafil suppressed ventricular ectopy and episodes of torsades de pointes in vivo in a sheep model of LQT2. (manchester.ac.uk)
  • Simulated right ventricular arrhythmias had either inferior frontal plane QRS axes (from the anterobasal region) or superior frontal plane QRS axes (from the apical and posterior right ventricular sections). (bmj.com)
  • Experts define the apex of the heart by the left ventricular (LV) apex and the right ventricular (RV) apex. (medicalnewstoday.com)
  • 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)
  • Arrhythmia happens when the heart beats in an abnormal way. (healthline.com)
  • Arrhythmia refers to an abnormal heart rhythm that can affect the overall functioning of the heart. (lantpark.com)
  • But sometimes the electrical signals are abnormal, and the heart can start beating in a different rhythm - this is an arrhythmia (also called dysrhythmia). (kidshealth.org)
  • Ventricular arrhythmia (VA) is an abnormal heart rhythm of the ventricles. (safebeat.org)
  • Mechanisms of Cardiac Arrhythmias and Conduction Disturbances. (wikipedia.org)
  • It is not clear whether this condition results from pathologically altered ventricular cells or from cells in the specialized conduction system. (britannica.com)
  • Distinguishing ventricular tachycardia from other wide-QRS complex arrhythmias such as supraventricular tachycardia with aberrant conduction is usually possible, based on the twelve lead morphology, the presence of AV dissociation, and most importantly, the clinical history. (njfaint.com)
  • Arrhythmias are caused by problems with the heart's electrical conduction system. (medlineplus.gov)
  • Inhalation of printer-emitted particles impairs cardiac conduction, hemodynamics, and autonomic regulation and induces arrhythmia and electrical remodeling in rats. (cdc.gov)
  • If so, treating these will address the arrhythmia at its source, rather than trying to mask it with antiarrhythmic drugs. (vin.com)
  • These findings highlight novel antiarrhythmic properties of PDE5 inhibition and translate to suppression of triggered arrhythmias in vivo. (manchester.ac.uk)
  • Phosphodiesterase-5 inhibitor sildenafil is antiarrhythmic in small mammalian ischaemia models via an unknown mechanism.Determine effects of sildenafil on propensity to waves and ventricular arrhythmias in the large mammal.Methods and results: Sheep ventricular myocytes were voltage-clamped and intracellular Ca2+ measured (Fura-2). (manchester.ac.uk)
  • What Is a Normal Left Ventricular Ejection Fraction? (medscape.com)
  • Subclinical Left Ventricular Dysfunction and Ventricular Arrhythmias in Older Adults With Normal Ejection Fraction. (bvsalud.org)
  • Conclusions PVCs and NSVT episodes were frequent in this community -based elderly cohort with normal left ventricular ejection fraction and were independently associated with lower LV GLS . (bvsalud.org)
  • Reentrant, automatic, or triggered mechanisms may cause ventricular arrhythmia (VA), just as these mechanisms cause supraventricular tachycardia (SVT) and other arrhythmias. (medscape.com)
  • There has been considerable investigation into methods of evaluating premonitory signs that might predict susceptibility to serious ventricular arrhythmias. (britannica.com)
  • Caffeine Nicotine and/orCocaine can cause serious ventricular arrhythmias. (cardiachealth.org)
  • Initiation of Serious Ventricular Arrhyt. (ogu.edu.tr)
  • Ventricular premature beats are characterized by wide QRS complexes that differ in morphology from the patient's normal beats. (health.am)
  • Ambulatory electrocardiographic monitoring or monitoring during graded exercise may reveal more frequent and complex ventricular premature beats than occur in a single routine ECG. (health.am)
  • An increased frequency of ventricular premature beats during exercise is associated with a higher risk of cardiovascular mortality, though there is no evidence that specific therapy has a role. (health.am)
  • Ventricular tachycardia is defined as three or more consecutive ventricular premature beats. (health.am)
  • A dog with an accelerated idioventricular rhythm, where all QRS complexes are wide and bizarre in shape and there is no A-V relationship, at a rate of 110 beats per minute, may have an ECG that is initially alarming (looks like "slow VT") but in fact be well-perfused and normotensive, and have none of its clinical signs due to the arrhythmia. (vin.com)
  • Ventricular premature beats are seen commonly and increase in prevalence with age. (njfaint.com)
  • Ventricular tachycardia (VT) is defined as a ventricular tachyarrhythmia with a rate above one hundred beats per minute. (njfaint.com)
  • The heart normally beats in a regular rhythm, but an arrhythmia (ay-RITH-mee-uh) can make it beat too slowly, too quickly, or irregularly. (kidshealth.org)
  • Frequent PVCs were defined as PVCs >500 per 24 hours and NSVT as ≥4 consecutive ventricular ectopic beats . (bvsalud.org)
  • Overview of Arrhythmias The normal heart beats in a regular, coordinated way because electrical impulses generated and spread by myocytes with unique electrical properties trigger a sequence of organized myocardial. (msdmanuals.com)
  • Reentrant arrhythmia depends on a circuit, often caused by surgical scar, fibrosis, or fatty degeneration. (medscape.com)
  • Under any circumstance where cardiac injury has occurred, a ventricular arrhythmia may potentially become a lethal ventricular event. (britannica.com)
  • Isolated premature ventricular contractions (PVCs) are reasonably common. (medscape.com)
  • However, if the affected patient has a history of ventricular tachycardia, PVCs can possibly lead to a more serious arrhythmia. (safebeat.org)
  • 53% females) with frequent premature ventricular contractions (PVCs ≥ 500/24 h) and/or non-sustained ventricular tachycardia (NSVT), an otherwise normal electrocardiogram, normal echocardiography and no coronary artery disease. (ox.ac.uk)
  • Even ventricular tachycardia can potentially cause shock and be lethal in its own right. (britannica.com)
  • Intra-aortic balloon counterpulsation (IABCP) improves coronary flow and reduces myocardial distension, thus potentially influencing ventricular irritability by direct and indirect effects. (bmj.com)
  • 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)
  • If the underlying condition is mitral prolapse, hypertrophic cardiomyopathy, left ventricular hypertrophy, or coronary disease - or if the QT interval is prolonged - ß-blocker therapy is appropriate. (health.am)
  • However, there are limited data on the association between excess weight and the risk of ectopic ventricular activity. (nih.gov)
  • Multivariate binary logistic regression with repeated measures of 92,619 ESTs, showed that obese subjects were 33% more likely to have ectopic ventricular arrhythmias during exercise compared with subjects with normal weight (p = 0.005), and that each 1 kg/m(2) increase in BMI was associated with a significant 4% (p = 0.002) increased adjusted risk for exercise-induced ventricular arrhythmias. (nih.gov)
  • Obesity is independently associated with increased likelihood of ectopic ventricular arrhythmia during exercise. (nih.gov)
  • This terminates and is followed by a ventricular ectopic beat (PVC). (arrhythmiaacademy.com)
  • The mechanism by which ventricular arrhythmias occur is not completely understood. (britannica.com)
  • In contrast, premature ventricular contractions can occur spontaneously in healthy people without any consequence. (britannica.com)
  • Ventricular arrhythmia-s can occur after a heart attack damages tissue, causing chaotic electrical patterns in the heart's lower chambers. (fightaging.org)
  • Several types of arrhythmias can occur in children. (healthline.com)
  • Ventricular arrhythmias can occur due to various reasons, including heart diseases, electrolyte imbalances, and genetic factors. (lantpark.com)
  • If this doesn't occur, as in the case of ventricular arrhythmia, severe complications are likely to result. (safebeat.org)
  • Ventricular arrhythmias occur more frequently with advancing age, the severity of heart disease, and ventricular hypertrophy. (safebeat.org)
  • Ventricular arrhythmias can be considered "normal variants" that occur in otherwise healthy individuals. (safebeat.org)
  • Is there a genetic basis for malignant ventricular arrhythmias? (tue.nl)
  • There are three forms of malignant ventricular arrhythmias that have a high one-year mortality rate. (safebeat.org)
  • Background-Idiopathic ventricular arrhythmias (VAs) can originate from the left ventricular papillary muscles (PAMs). (umn.edu)
  • Historically, treating ventricular arrhythmias often was presented as a straightforward proposition: "If the rhythm is VT, or if there are more than 10/15/20/30 VPCs each minute (depending on the author), or if the rhythm has other 'criteria of malignancy' (e.g., polymorphic VT), then treatment must be instituted in order to prevent deterioration to even worse arrhythmias or cardiac arrest. (vin.com)
  • Ventricular tachycardia may be monomorphic (all QRS complexes look alike) or polymorphic (QRS complex morphology varies). (njfaint.com)
  • One specific type of polymorphic ventricular tachycardia is known as Torsades de Pointes , which most commonly occurs in the setting of the acquired (drug-induced) long QT syndrome. (njfaint.com)
  • Polymorphic ventricular tachycardia (non-Torsades) should be considered secondary to ischemia or metabolic disturbances until proven otherwise. (njfaint.com)
  • Hereditary primary electrical disorders account for up to 1/3 of all SCD cases in younger individuals and include conditions such as catecholaminergic polymorphic ventricular tachycardia (CPVT). (sfu.ca)
  • Complications vary based on the type of arrhythmia. (healthline.com)
  • Knowing which type of arrhythmia you have is key to understanding its severity and your treatment options. (prweb.com)
  • The type of arrhythmia depends on the irregularity it causes and in what part of your heart - the upper (atria) or lower (ventricular) chambers. (prweb.com)
  • It is not as serious as the previously mentioned types of arrhythmia but can still lead the heart to become out of sequence with the normal heartbeat. (safebeat.org)
  • This common arrhythmia in kids is usually nothing to worry about. (healthline.com)
  • The relationship between subclinical LV dysfunction and ventricular arrhythmias in the general population is not established. (bvsalud.org)
  • The association between LV dysfunction and ventricular arrhythmias is present at an early, subclinical stage, an observation that carries possible preventative implications. (bvsalud.org)
  • What are the symptoms of arrhythmia in children? (healthline.com)
  • Symptoms of arrhythmia in children vary depending on a child's age and which particular condition is causing the irregular heart rhythm. (healthline.com)
  • If you experience symptoms of arrhythmia, it is crucial to seek medical advice and follow the recommended treatment plan for a healthier heart. (lantpark.com)
  • What are the causes of ventricular arrhythmias, VT, Bigeminy and Trigeminy? (cardiachealth.org)
  • In addition to evaluating ventricular rhythm disturbances associated with serious cardiac arrhythmias, this method also allows for the identification of potential causative conditions. (britannica.com)
  • Clinical signs attributable to ventricular arrhythmias can include weakness, staggering, collapse, and syncope/fainting. (vin.com)
  • An electrocardiographic atlas of ventricular tachycardias was produced by pacing 27 epicardial sections of the heart and the mitral papillary muscles to simulate focal ventricular arrhythmias and simultaneously recording their 12 lead electrocardiographic appearances. (bmj.com)
  • Jouven X et al: Long-term outcome in asymptomatic men with exercise-induced premature ventricular depolarizations. (health.am)
  • The efficacy of these drugs was assessed based on their ability to control the frequency of premature ventricular contractions and other transient ventricular arrhythmias. (britannica.com)
  • Simulated arrhythmias from the base of the left ventricle (anteriorly and laterally) had inferior frontal plane QRS and anterorightward horizontal plane QRS axes. (bmj.com)
  • Left ventricular arrhythmias with a superior frontal plane QRS axis were readily distinguished by their horizontal plane QRS axes: posterorightwards from the anterior and anterorightwards from the posterior left ventricular sections. (bmj.com)
  • The electrocardiogram was most accurate in localising ventricular arrhythmias from the anterior left ventricle and least accurate for those arising from the inferior right ventricle. (bmj.com)
  • Is hypertensive left ventricular hypertrophy a cause of sustained ventricular arrhythmias in humans? (whiterose.ac.uk)
  • This review aimed to evaluate if left ventricular hypertrophy (LVH) secondary to systemic hypertension in humans is an isolated risk factor for ventricular arrhythmogenesis. (whiterose.ac.uk)
  • 4 In this case, it was felt likely that the severe left ventricular systolic impairment was a precipitating cause for the sustained episode of ventricular tachycardia, which had never been documented to this degree during the device follow-up of this patient. (arrhythmiaacademy.com)
  • Speckle-tracking echocardiography allows the assessment left ventricular (LV) dyssynchrony, which may reflect the electromechanical heterogeneity of myocardial tissue. (mcmaster.ca)
  • Left ventricular apical ballooning syndrome (LVBS), which doctors also refer to as Takotsubo cardiomyopathy , is a type of nonischemic cardiomyopathy. (medicalnewstoday.com)
  • Asystole is uncommon, except as a terminal manifestation of progressive left ventricular failure and shock. (msdmanuals.com)
  • Each ventricular region paced produced a distinctive 12 lead electrocardiographic pattern. (bmj.com)
  • This illustrated text teaches electrophysiology and cardiology fellows-in-training the concept of connecting ventricular arrhythmias QRS morphology with the arrhythmia site of origin. (hochitw.com)
  • Symptoms: Both types of arrhythmias can cause symptoms such as palpitations, dizziness, and shortness of breath. (lantpark.com)
  • Virtually any disease, when severe enough, can secondarily produce ventricular arrhythmias. (vin.com)
  • The more the arrhythmia affects blood flow, the more severe the condition. (prweb.com)
  • The atrial and ventricular rates are also independent of one another further suggesting the presence of two independent tachycardias. (arrhythmiaacademy.com)
  • However, the presence of dual atrial and ventricular tachycardias is less commonly documented with many being attributed to Digitalis toxicity. (arrhythmiaacademy.com)
  • Ventricular arrhythmias, especially those that pose a high risk, may require immediate medical intervention, such as defibrillation or the implantation of an implantable cardioverter-defibrillator (ICD). (lantpark.com)
  • Clinical Approach to Arrhythmias ) for examples of the differential diagnosis for ventricular arrhythmias. (vin.com)
  • A Ventricular High Rate Episode - What's the Diagnosis? (arrhythmiaacademy.com)
  • New insights into the mechanisms underlying AF have identified promising new approaches, including the modulation of atrium-specific ion channels, connexins and the ryanodine receptor, the prevention of remodelling processes that lead to the arrhythmia as well as specific molecular events involved in arrhythmia generation. (nature.com)