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Related Concept Videos

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...
Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
Pulse rhythm01:30

Pulse rhythm

Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

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...
Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...

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Updated: Jul 3, 2026

Translational Rabbit Model of Chronic Cardiac Pacing
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Published on: January 6, 2023

Pacemaker dependency after pacemaker implantation.

Jacek Lelakowski, Jacek Majewski, Jacek Bednarek

    Cardiology Journal
    |July 25, 2008
    PubMed
    Summary
    This summary is machine-generated.

    Pacemaker dependency (PD) is rare, affecting 2.1% of patients. Atrioventricular block (AVB) significantly increases PD risk compared to sick sinus syndrome (SSS) or atrial fibrillation (AF).

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    Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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    Published on: February 26, 2013

    Area of Science:

    • Cardiology
    • Electrophysiology
    • Medical Devices

    Background:

    • Pacemaker dependency (PD) poses a risk of serious harm or death upon pacemaker failure.
    • Evaluating PD incidence during long-term pacemaker use is crucial for patient safety.

    Purpose of the Study:

    • To determine the incidence of pacemaker dependency (PD) in patients following pacemaker implantation.
    • To identify patient subgroups with a higher risk of developing PD.

    Main Methods:

    • A long-term follow-up study involving 3638 patients implanted with pacing systems.
    • Pacemaker dependency was defined as the absence of a spontaneous intrinsic rhythm of at least 30 beats/min after pacemaker deactivation.
    • Analysis of pacing indications including sick sinus syndrome (SSS), atrioventricular block (AVB), and atrial fibrillation (AF) with bradycardia.

    Main Results:

    • Pacemaker dependency (PD) was observed in 2.1% (76 out of 3638) of patients.
    • Patients with atrioventricular block (AVB) showed a significantly higher incidence of PD (3.5%) compared to those with SSS (0.6%) or AF (0.3%).
    • Previous myocardial infarction and temporary pacing prior to permanent implantation were associated with a higher likelihood of PD (p < 0.001).

    Conclusions:

    • Pacemaker dependency (PD) is a rare complication, occurring in 2.1% of the studied patient cohort.
    • Atrioventricular block (AVB) is a significant risk factor for developing PD.
    • Identifying patients with prior myocardial infarction or temporary pacing is essential for predicting PD risk.