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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...
566
Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

200
A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
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Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

240
Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
240
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

205
A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
205
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

524
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...
524
Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

447
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...
447

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Related Experiment Video

Updated: Dec 20, 2025

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
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Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

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Direct His-bundle Pacing in a Patient with a Persistent Left Superior Vena Cava.

Amrish Deshmukh1, Tasha Wadsworth2, Pramod Deshmukh2

  • 1Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan Samuel and Jean Frankel Cardiovascular Center, Ann Arbor, MI, USA.

The Journal of Innovations in Cardiac Rhythm Management
|June 2, 2020
PubMed
Summary

This study details successful direct His-bundle lead placement during implantable cardioverter-defibrillator (ICD) insertion and AV node ablation. The technique utilized a steerable sheath for precise lead positioning in a patient with a unique venous anatomy.

Keywords:
Atrioventricular nodeHis bundle pacingcatheter ablationpersistent left superior vena cava

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Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation
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Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation
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Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Device Technology

Background:

  • Implantable cardioverter-defibrillator (ICD) implantation is a standard treatment for preventing sudden cardiac death.
  • Atrioventricular (AV) node ablation is sometimes performed in conjunction with ICDs for rate control in specific arrhythmias.
  • His-bundle pacing offers a more physiological alternative to traditional right ventricular pacing.

Observation:

  • A patient presented with an isolated persistent left superior vena cava (PLSVC), an uncommon congenital anomaly.
  • This anatomical variation posed a challenge for standard lead placement during ICD insertion and AV node ablation.

Findings:

  • Direct His-bundle lead placement was successfully achieved in the setting of PLSVC.
  • A steerable sheath and dedicated mapping catheter were instrumental in enabling selective His-bundle pacing.
  • The procedure combined His-bundle lead implantation with AV node ablation.

Implications:

  • This case demonstrates the feasibility of His-bundle pacing even in the presence of complex venous anomalies like PLSVC.
  • The use of advanced tools like steerable sheaths expands the applicability of His-bundle pacing techniques.
  • Successful His-bundle lead placement offers a potentially superior pacing strategy compared to conventional methods, improving patient outcomes.