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

Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

22
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...
22
ECG Interpretation of Arrhythmias I: Sinus Arrhythmias01:16

ECG Interpretation of Arrhythmias I: Sinus Arrhythmias

378
Arrhythmias are disturbances in the heart's rhythm that lead to abnormal heartbeats. These irregularities can originate from different parts of the heart and are classified based on their origin and nature.
Types of Arrhythmias
Sinus Node Arrhythmias
Sinus Bradycardia: Originating from the sinoatrial (SA) node, sinus bradycardia involves slower impulses, resulting in a heart rate of less than 60 beats per minute (bpm). Causes include sleep, vagal stimulation, beta-blockers, hypothyroidism,...
378
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

133
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...
133
Node Analysis for AC Circuits01:14

Node Analysis for AC Circuits

366
Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
366
Dysrhythmias IV: Characteristics of Bradyarrhythmias01:18

Dysrhythmias IV: Characteristics of Bradyarrhythmias

108
Bradyarrhythmias are cardiac rhythm disorders characterized by a slower-than-normal heart rate, typically defined as fewer than 60 beats per minute. Some of which are discussed here:Sinus BradycardiaSinus bradycardia presents a heart rate lower than 60 beats per minute, with a regular rhythm originating from the SA node. The ECG typically shows normal P waves preceding each QRS complex, a normal PR interval (0.12 to 0.20 seconds), and a normal QRS duration (0.06 to 0.10 seconds).First-Degree AV...
108
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

171
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...
171

You might also read

Related Articles

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

Sort by
Same author

The global landscape of SCD and approach to case work-up in Latin America: a LAHRS and SOBRAC survey.

Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing·2026
Same author

Dynamic Expression of the Type 1 Brugada ECG Pattern During Tilt Table Testing Using Continuous High Precordial Lead Positioning.

Diagnostics (Basel, Switzerland)·2026
Same author

Phase-dependent modulation of Brugada ECG phenotype during general anesthesia: Influence of anesthetic transitions.

Heart rhythm·2026
Same author

A functional-anatomic mapping protocol for cardioneuroablation: A mechanistic case series.

Heart rhythm O2·2026
Same author

Progressive Conduction Disease in a Mitochondrial Disorder.

JACC. Case reports·2026
Same author

Cardioneuroablation for Ictal Asystole: A Multicenter Case Series.

JACC. Clinical electrophysiology·2026

Related Experiment Video

Updated: Aug 26, 2025

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
08:42

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Published on: February 11, 2022

3.6K

Sinus Node Artery Occlusion During Cardiac Denervation Procedures.

Mauricio Scanavacca1, Esteban W R Rivarola1, Roberto Vitor Almeida Torres1

  • 1Arrhythmia Unit-Heart Institute (Incor), University of São Paulo Medical School, São Paulo, Brazil.

JACC. Case Reports
|October 10, 2022
PubMed
Summary

Cardioneural ablation for bradycardia can cause sinus node artery occlusion. Evaluating aortic angulation and monitoring for sinus failure during ablation can help prevent this acute complication.

Keywords:
AA, aortic angulationAV, atrioventricularCTA, computed tomography imagingGP, ganglionated plexusRA, right atriumRF, radiofrequencySNA, sinus node arterySVC, superior vena cavaablationaortic valvebradycardiacoronary circulationelectroanatomical mappingelectrophysiologyrPV, right pulmonary veins

More Related Videos

Bilateral Common Carotid Artery Occlusion as an Adequate Preconditioning Stimulus to Induce Early Ischemic Tolerance to Focal Cerebral Ischemia
07:46

Bilateral Common Carotid Artery Occlusion as an Adequate Preconditioning Stimulus to Induce Early Ischemic Tolerance to Focal Cerebral Ischemia

Published on: May 9, 2013

29.4K
Microelectrode Array Recording of Sinoatrial Node Firing Rate to Identify Intrinsic Cardiac Pacemaking Defects in Mice
09:20

Microelectrode Array Recording of Sinoatrial Node Firing Rate to Identify Intrinsic Cardiac Pacemaking Defects in Mice

Published on: July 5, 2021

3.2K

Related Experiment Videos

Last Updated: Aug 26, 2025

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
08:42

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Published on: February 11, 2022

3.6K
Bilateral Common Carotid Artery Occlusion as an Adequate Preconditioning Stimulus to Induce Early Ischemic Tolerance to Focal Cerebral Ischemia
07:46

Bilateral Common Carotid Artery Occlusion as an Adequate Preconditioning Stimulus to Induce Early Ischemic Tolerance to Focal Cerebral Ischemia

Published on: May 9, 2013

29.4K
Microelectrode Array Recording of Sinoatrial Node Firing Rate to Identify Intrinsic Cardiac Pacemaking Defects in Mice
09:20

Microelectrode Array Recording of Sinoatrial Node Firing Rate to Identify Intrinsic Cardiac Pacemaking Defects in Mice

Published on: July 5, 2021

3.2K

Area of Science:

  • Cardiology
  • Electrophysiology
  • Vascular Surgery

Background:

  • Cardioneural ablation is an emerging therapy for functional bradycardia.
  • The potential for acute complications following cardiac denervation remains incompletely understood.

Observation:

  • This case report details two instances of acute sinus node artery occlusion post-cardiac denervation.
  • The patients presented with signs of sinus node dysfunction after the procedure.

Findings:

  • Acute occlusion of the sinus node artery is a potential complication of cardioneural ablation.
  • Pre-procedural evaluation of aortic angulation, particularly in elderly patients, may identify risk.

Implications:

  • Monitoring for sinus failure using electroanatomical mapping is crucial, especially with a constricted right atrium.
  • Implementing preventive measures can mitigate the risk of this serious adverse event.