PubMed Journals Articles About "Novel Method Prediction Para Hisian Premature Ventricular Complexes" RSS

09:27 EST 17th November 2019 | BioPortfolio

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Showing "Novel method prediction para Hisian premature ventricular complexes" PubMed Articles 1–25 of 18,000+

Risk Stratification in Patients with Frequent Premature Ventricular Complexes in the Absence of Known Heart Disease.

Frequent premature ventricular complexes (PVCs) can be an indicator of structural heart disease.

A paradoxical response to para-hisian pacing.

The effect of idiopathic premature ventricular complexes on left ventricular ejection fraction.

Current literature lacks a definitive threshold of idiopathic premature ventricular complex (PVC) burden for predicting cardiomyopathy (CMP). The main objective of the present study was to evaluate relationship between the PVC burden and left ventricular ejection fraction (LVEF).

Cerclage para-Hisian septal pacing through the septal perforator branch of the great cardiac vein: bedside-to-bench development of a novel technique and lead.

Non-invasive electrocardiographic imaging in patients with idiopathic premature ventricular contractions from the right ventricular outflow tract: New insights into arrhythmia substrate.

The aim of this study was to use non-invasive electrocardiographic imaging (ECGI) to study the electrophysiological properties of right ventricular outflow tract (RVOT) in patients with frequent premature ventricular contractions (PVCs) from the RVOT and in controls.

Fluctuations in premature ventricular contraction burden can impact medical assessment and management.

Frequent premature ventricular contractions (PVCs) can cause disabling symptoms and decrease left ventricle ejection fraction. The PVC burden, typically quantified by a 24-hour monitor, is one of the factors that determines the clinical management of PVCs.

Approach to Management of Premature Ventricular Contractions.

Premature ventricular contractions (PVCs) are arrhythmias with presentation ranging from asymptomatic and benign to symptomatic, frequent and capable of inducing cardiomyopathy. Work in the late 1970s-1980s showed that they could be representative of underlying coronary artery disease, hypertension, or left ventricular hypertrophy. Furthermore, their presence is independently linked to an increased risk of stroke and sudden cardiac death. Since characterization of PVC-induced cardiomyopathy 21 years ago, t...

Prediction of Ventricular Arrhythmias With Left Ventricular Mechanical Dispersion: A Systematic Review and Meta-Analysis.

The aim of this study was to assess the association between left ventricular mechanical dispersion (LVMD) and the incidence of ventricular arrhythmias (VAs).

ECG anomaly class identification using LSTM and error profile modeling.

Automatic diagnosis of cardiac events is a current problem of interest in which deep learning has shown promising success. We have earlier reported the use of Long Short Term Memory (LSTM) networks-trained on normal ECG patterns-to the detection of anomalies from the prediction errors for real-time diagnostic applications. In this work, we extend our anomaly detection algorithm by introducing a second stage predictor that can identify the actual anomaly class from the error outputs of the first stage model....

Premature Ventricular Contraction Diurnal Profiles Predict Distinct Clinical Characteristics and Beta-Blocker Responses.

Frequent premature ventricular complexes (PVCs) can lead to symptoms, cardiomyopathy and increased mortality. Beta-blockers are recommended as first-line therapy to reduce PVC burden; however, the response is unpredictable. The objective of this study is to determine whether PVC diurnal-variability patterns are associated with different clinical profiles and predict drug response.

Prediction of ventricular arrhythmia and sudden death in arrhythmogenic right ventricular cardiomyopathy.

Catheter-induced premature ventricular complexes (PVCs) may aid in the determination of optimal timing for clinical PVC ablation.

The aim of the present study is to evaluate whether catheter-induced premature ventricular complexes (PVCs) produced at the presumptive ablation site may aid in the identification of the optimal timing of the earliest local activation for the successful ablation of clinical PVCs.

Successful catheter ablation of premature ventricular contractions triggering torsade de pointes in a small infant with histiocytoid cardiomyopathy: a case report.

A short-coupled variant of torsade de pointes (ScTdP) is rare and resistant to medical treatment. There has not been a reported catheter ablation (CA) of a short-coupled premature ventricular contraction (PVC) triggering ScTdP in an infant.

Consequences of Chronic Frequent Premature Atrial Contractions: Association with Cardiac Arrhythmias and Cardiac Structural Changes.

Frequent premature ventricular contractions (PVCs) can cause cardiomyopathy (CM). Post-extrasystolic potentiation and irregularity have been in implicated as triggers of PVC-CM. Since both phenomena can also be found in premature atrial contractions (PACs), it is speculated that frequent PACs have similar consequences.

Classification of early and late stage liver hepatocellular carcinoma patients from their genomics and epigenomics profiles.

Liver Hepatocellular Carcinoma (LIHC) is one of the major cancers worldwide, responsible for millions of premature deaths every year. Prediction of clinical staging is vital to implement optimal therapeutic strategy and prognostic prediction in cancer patients. However, to date, no method has been developed for predicting the stage of LIHC from the genomic profile of samples.

Left ventricular noncompaction in a Para athlete.

The left ventricular noncompaction is a congenital cardiomyopathy characterized by the presence of abnormal trabeculations in the left ventricle. The present study describes the case of a 14-year-old female Para athlete, who plays goalball. She was asymptomatic, with history of congenital nystagmus and mild visual impairment, who presented nonspecific electrocardiographic abnormalities during pre-competition screening. Cardiac magnetic resonance imaging showed left ventricular non-compaction (non-compacted ...

Peri-left bundle branch pacing in a patient with right ventricular pacing-induced cardiomyopathy and atrioventricular infra-Hisian block.

Optimally adjusted last cluster for prediction based on balancing the bias and variance by bootstrapping.

Estimating a predictive model from a dataset is best initiated with an unbiased estimator. However, since the unbiased estimator is unknown in general, the problem of the bias-variance tradeoff is raised. Aside from searching for an unbiased estimator, the convenient approach to the problem of the bias-variance tradeoff may be to use the clustering method. Within a cluster whose size is smaller than the whole sample, we would expect the simple form of the estimator for prediction to avoid the overfitting pr...

Recurrent acute coronary syndrome, polymorphic premature ventricular complexes and a son with a (mis)diagnosis of multiple sclerosis.

An uncommon response to a his refractory premature ventricular complex during a short RP supraventricular tachycardia: What is the mechanism?

Prediction of nasal morphology in facial reconstruction: Validation and recalibration of the Rynn method.

Prediction of the nose from the skull remains an important issue in forensic facial approximation. In 2010, Rynn et al. published a method of predicting nose projection from the skull. With this method, three craniometric measurements (x, y, z) are taken, and these are then used in regression formulae to estimate the nasal dimensions.

Successful ablation for premature ventricular contraction originating from moderator band of morphologic right ventricle in congenitally corrected transposition of great arteries.

A 54-year-old man with congenitally corrected transposition of great arteries (CCTGA) was referred to our hospital for palpitation. 24-hour Holter ECG showed frequent premature ventricular contraction (PVC) and we performed catheter ablation for this PVC. Pace-mapping was performed in morphologic right ventricle (RV) by transaortic approach. Perfect pace-map was achieved in morphologic RV midpart lateral and ablation at this site could eliminate the clinical PVC. After the ablation, by integrating ablation ...

Determination of the Interval between the Ground States of Para- and Ortho-H_{2}.

Nuclear-spin-symmetry conservation makes the observation of transitions between quantum states of ortho- and para-H_{2} extremely challenging. Consequently, the energy-level structure of H_{2} derived from experiment consists of two disjoint sets of level energies, one for para-H_{2} and the other for ortho-H_{2}. We use a new measurement of the ionization energy of para-H_{2} [E_{I}(H_{2})/(hc)=124 417.491 098(31)  cm^{-1}] to determine the energy separation [118.486 770(50)  cm^{-1}] between...

Interesting response of LBBB tachycardia to atrial extra stimulus.

A 47 year old lady presented with recurrent episodes of palpitation. During one of the episodes a wide QRS tachycardia with left bundle branch block (LBBB) morphology was recorded that was reported to be reverted to sinus rhythm with amiodarone. Surface electrocardiogram did not show any pre-excitation. She did not have any structural heart disease by transthoracic echocardiogram. She has undergone an Electrophysiology study. Basal atrial-Hisian and His-ventricular intervals were within normal limits. There...

Parental anxiety regarding premature infants and factors affecting parental concern.

Premature births have a great impact on the parents. The purpose of this study was to investigate the anxieties of parents of premature infants regarding infantile diseases and to help medical staff better communicate with parents of premature infants.

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