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Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Cardiac Catheterization II: Right Heart Catheterization01:21

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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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Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

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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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Related Experiment Video

Updated: Apr 6, 2026

Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
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Using Coronary Guide Catheters with the Sheath-in-sheath Technique to Retrieve a Micra™ Leadless Pacemaker.

Hafez Golzarian1, Wasim Rashid2, Sandeep M Patel3

  • 1Internal Medicine Residency Program, Mercy Health St. Rita's Medical Center, Lima, OH, USA.

The Journal of Innovations in Cardiac Rhythm Management
|May 29, 2024
PubMed
Summary

Retrieving leadless pacemakers can be challenging. A novel sheath-in-sheath technique using a coronary guide catheter offers a viable solution for Micra™ leadless pacemaker retrieval.

Keywords:
Amplatz coronary guideMicra™ leadless pacing systemsheath-in-sheathsnare catheter retrieval

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Area of Science:

  • Cardiology
  • Medical Device Retrieval
  • Electrophysiology

Background:

  • Leadless pacemaker systems are increasingly used for cardiac pacing.
  • Device retrieval can be necessary due to complications or system upgrades.
  • Standard retrieval methods may not always be effective for leadless devices.

Observation:

  • A case involving a challenging retrieval of a Micra™ leadless pacemaker is presented.
  • An improvised sheath-in-sheath technique was employed.
  • A coronary guide catheter was a key component of the retrieval apparatus.

Findings:

  • The described technique successfully facilitated the retrieval of the leadless pacemaker.
  • The use of a coronary guide catheter within an improvised sheath proved effective.
  • This method offers a practical approach for difficult leadless pacemaker extractions.

Implications:

  • This technique expands the armamentarium for leadless pacemaker retrieval.
  • It provides a potential solution for challenging cases where standard methods fail.
  • Further studies may explore the broader applicability of this improvised approach in leadless cardiac device management.