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Related Concept Videos

Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
Dysrhythmias VII: Nursing Management of Dysrhythmias01:25

Dysrhythmias VII: Nursing Management of Dysrhythmias

Nursing management of dysrhythmias involves the following:AssessmentSubjective Assessment:The initial step involves gathering patient-reported symptoms such as dizziness, palpitations, and chest discomfort. It is crucial to collect a detailed history, including previous heart conditions, current medication use, and lifestyle factors like caffeine and alcohol consumption.Objective Assessment:This involves observing clinical signs such as jugular venous distention, cool and pale skin, and...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...

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Related Experiment Video

Updated: Jun 26, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

[Is resynchronization therapy necessary when optimizing right ventricular stimulation?].

G Fröhlig1

  • 1Universitätsklinikum des Saarlandes, Klinik für Innere Medizin III, Kirrberger Strasse, 66424, Homburg, Germany. ingfro@uniklinikum-saarland.de

Herzschrittmachertherapie & Elektrophysiologie
|January 27, 2009
PubMed
Summary
This summary is machine-generated.

Cardiac resynchronization therapy (CRT) faces challenges. This review explores alternative pacing sites for heart failure patients when CRT is unsuitable, focusing on right ventricular pacing benefits versus left ventricular pacing.

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Last Updated: Jun 26, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
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Published on: December 11, 2017

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
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Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

Published on: January 31, 2019

Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Heart Failure Management

Context:

  • Cardiac resynchronization therapy (CRT) using biventricular stimulation is limited by technical challenges and suboptimal response rates.
  • Traditional AV sequential pacing for heart failure was abandoned due to detrimental effects of right ventricular apical pacing.
  • Previous attempts to optimize right ventricular pacing sites have yielded unconvincing results.

Purpose:

  • To review the potential benefits of alternative right ventricular pacing sites (outflow tract, septum, dual-site RV, His bundle) in heart failure patients.
  • To compare these alternative pacing strategies against traditional left ventricular-based resynchronization.
  • To evaluate their efficacy in patients with left ventricular dysfunction or overt heart failure.

Summary:

  • This review examines alternative pacing strategies for heart failure, moving beyond standard biventricular CRT.
  • It assesses the efficacy of pacing from various right ventricular locations and the His bundle as potential alternatives.
  • The focus is on improving cardiac mechanics and outcomes when left ventricular lead placement is problematic or ineffective.

Impact:

  • Provides insights into optimizing pacing strategies for heart failure patients who are not candidates for or do not respond to standard CRT.
  • Highlights potential alternative pacing approaches to mitigate the risks associated with right ventricular apical pacing.
  • Informs clinical decision-making regarding pacing site selection for improved hemodynamic function and patient outcomes.