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Related Concept Videos

Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

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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.
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Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

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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...
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Dysrhythmias I: Introduction01:15

Dysrhythmias I: Introduction

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Dysrhythmias refers to abnormalities in the heart's rhythm. They result from disruptions in the heart's electrical conduction system, which includes the sinoatrial(SA)node, atrioventricular(AV) node, the bundle of His, bundle branches, and Purkinje fibers.Definition and PathophysiologyDysrhythmias result from disorders of impulse formation, impulse conduction, or both. The heart contains specialized cells in the sinoatrial node, atrioventricular node, and the bundle of His and Purkinje fibers...
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Cardiac Catheterization IV: Nursing Management01:26

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Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
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Dysrhythmias VII: Nursing Management of Dysrhythmias01:25

Dysrhythmias VII: Nursing Management of Dysrhythmias

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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...
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Heart Failure Drugs: Inotropic Agents01:26

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Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
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Leadless Pacing: Therapy, Challenges and Novelties.

Nadeev Wijesuriya1,2, Felicity De Vere1,2, Vishal Mehta1,2

  • 1School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK.

Arrhythmia & Electrophysiology Review
|July 10, 2023
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Summary

Leadless pacing offers a lead-free alternative to traditional pacemakers, expanding its use beyond specific patient groups. This technology shows promise for broader application, potentially becoming a first-line therapy.

Keywords:
Leadless pacingcardiac resynchronisation therapyconduction system pacing

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Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Leadless pacing technology is evolving rapidly.
  • Initially for patients contraindicated for conventional devices, it now aims to eliminate transvenous leads for all pacing needs.

Purpose of the Study:

  • To review the safety and performance of leadless pacing devices.
  • To evaluate evidence for leadless pacing in special populations and future applications.

Main Methods:

  • Review of existing literature on leadless pacing devices.
  • Analysis of safety, performance, and application data in various patient groups.

Main Results:

  • Leadless pacing demonstrates safety and efficacy.
  • Evidence supports use in high-risk infection, haemodialysis, and vasovagal syncope patients.
  • Leadless cardiac resynchronisation therapy shows potential.

Conclusions:

  • Leadless pacing is a viable alternative to transvenous pacing.
  • Future directions include fully leadless CRT-D systems and potential first-line therapy adoption.