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Related Concept Videos

Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
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Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

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IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
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Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

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The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
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Peritoneal Dialysis II: Peritoneal Dialysis Systems and Complications01:25

Peritoneal Dialysis II: Peritoneal Dialysis Systems and Complications

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Peritoneal dialysis (PD) is a medical process that removes waste products and excess fluid from the body using the peritoneal membrane as a natural filter.Peritoneal Dialysis MethodsSeveral methods can be used for peritoneal dialysis, including Acute Intermittent Peritoneal Dialysis, Continuous Ambulatory Peritoneal Dialysis, and Automated Peritoneal Dialysis, also known as Continuous Cyclic Peritoneal Dialysis.Acute Intermittent Peritoneal Dialysis (AIPD) is used for patients with uremic...
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Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

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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...
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Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

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Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
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Related Experiment Video

Updated: Feb 24, 2026

Translational Rabbit Model of Chronic Cardiac Pacing
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Leadless pacemaker: Performance and complications.

Justin Z Lee1, Siva K Mulpuru1, Win K Shen1

  • 1Division of Cardiovascular Diseases, Mayo Clinic, 5777 East Mayo, Boulevard, Phoenix, AZ.

Trends in Cardiovascular Medicine
|August 23, 2017
PubMed
Summary
This summary is machine-generated.

Leadless pacemakers offer an alternative to traditional devices, reducing complications. Future advancements aim for multi-chamber and battery-less pacing systems.

Keywords:
Cardiac pacingLeadless pacing

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Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
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Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Traditional transvenous cardiac pacemakers are associated with lead- and device pocket-related complications.
  • Leadless pacemakers have been developed to address these limitations.

Purpose of the Study:

  • To describe leadless pacemaker devices.
  • To summarize existing data on leadless pacemaker performance.
  • To outline complications associated with leadless pacemakers.

Main Methods:

  • Review of existing literature and clinical data on leadless pacemakers.
  • Analysis of device performance metrics.
  • Assessment of implantation and follow-up complication rates.

Main Results:

  • Leadless pacemakers demonstrate an alternative to transvenous systems.
  • Current devices are limited to single-chamber pacing.
  • Complications during implantation and follow-up are documented.

Conclusions:

  • Leadless pacemakers offer a promising alternative to traditional systems.
  • Future generations are expected to evolve towards multi-chamber and battery-less functionalities.