Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Heart Valves01:16

Heart Valves

14.9K
The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
14.9K
Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

2.2K
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...
2.2K
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

1.1K
IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
1.1K
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

1.3K
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
1.3K
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

1.6K
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
1.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Emergency department cardioversion of atrial fibrillation or flutter in class III and IV obese patients is safe and effective.

The American journal of emergency medicine·2025
Same author

Comparison of Microcapillary Blood Sampling Devices for Use in Anti-Doping.

Drug testing and analysis·2024
Same author

An emergency department eye formulary.

The American journal of emergency medicine·2024
Same author

Emergency Department Arrival Modes: Time for Mandatory Pediatric Readiness.

Pediatric emergency care·2023
Same author

Evidence-based management of pulmonary embolism in the emergency department.

Emergency medicine practice·2023
Same author

5-alpha-reductase-inhibitor deferrals: An untapped source of blood donors?

The American journal of emergency medicine·2022

Related Experiment Video

Updated: May 2, 2026

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
09:13

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures

Published on: April 21, 2013

27.7K

Abnormal Placement of Flow Directed Balloon Pacemaker.

Alfred Sacchetti1, Monika Smith2, Allyson Raymond2

  • 1Department Emergency Medicine, Virtua Our Lady of Lourdes Hospital; Camden, NJ; Department of Emergency Medicine, Thomas Jefferson University, Philadelphia, PA.

Annals of Emergency Medicine
|March 28, 2025
PubMed
Summary
This summary is machine-generated.

A common emergency procedure, transvenous pacemaker placement, can rarely misdirect the pacing wire into the left pericardiophrenic vein instead of the right ventricle. This highlights a potential complication during emergency cardiac pacing.

More Related Videos

Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter
08:00

Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter

Published on: June 15, 2015

13.7K
The Intra-Aortic Balloon Pump
06:13

The Intra-Aortic Balloon Pump

Published on: February 5, 2021

20.6K

Related Experiment Videos

Last Updated: May 2, 2026

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
09:13

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures

Published on: April 21, 2013

27.7K
Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter
08:00

Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter

Published on: June 15, 2015

13.7K
The Intra-Aortic Balloon Pump
06:13

The Intra-Aortic Balloon Pump

Published on: February 5, 2021

20.6K

Area of Science:

  • Emergency Medicine
  • Cardiology
  • Medical Devices

Background:

  • Transvenous pacemaker placement is a critical emergency procedure.
  • Balloon-tipped pacing wires are designed to navigate to the right ventricle via the tricuspid valve.
  • Proper placement ensures effective cardiac pacing during resuscitation.

Observation:

  • A case report details the misplacement of a transvenous pacemaker wire.
  • The pacing wire was directed into the left pericardiophrenic vein.
  • This occurred despite the intended use of a balloon-tipped wire.

Findings:

  • The study presents a rare complication of transvenous pacemaker insertion.
  • The pacing wire deviated from its intended path to the right ventricle.
  • Anatomical variations or procedural factors may contribute to such misdirection.

Implications:

  • This case underscores the importance of vigilance during blind pacemaker wire placement.
  • Awareness of potential misplacement into unusual venous structures is crucial for emergency physicians.
  • Further investigation into preventing such malpositions may be warranted.