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

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

648
Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
648
Cardiopulmonary Resuscitation III: AED Use01:23

Cardiopulmonary Resuscitation III: AED Use

828
Introduction to AEDAn Automated External Defibrillator (AED) is a portable medical device that analyzes the heart's rhythm and, if necessary, delivers an electrical shock to help the heart re-establish an effective rhythm during sudden cardiac arrest (SCA). SCA occurs when the heart suddenly and unexpectedly stops beating, leading to a loss of blood flow to the brain and other vital organs. In such emergencies, time is of the essence, and using an AED, combined with Cardiopulmonary...
828
Cardiopulmonary Resuscitation IV: Pharmacological Management01:25

Cardiopulmonary Resuscitation IV: Pharmacological Management

970
Pharmacologic intervention is crucial in treating cardiac arrest patients during ACLS or Advanced Cardiovascular Life Support. The ACLS algorithms guide the administration of specific drugs based on the patient's cardiac arrest rhythm, which includes pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), asystole, and pulseless electrical activity (PEA).EpinephrineIndication: Epinephrine is the first-line drug for all cardiac arrest rhythms.Mechanism of Action: Epinephrine...
970
Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

516
Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
516
Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

555
Dysrhythmias, also known as arrhythmias, are irregular heart rhythms that result from abnormal electrical activity in the heart, affecting its ability to circulate blood efficiently. Tachyarrhythmias, a subset of dysrhythmias, are characterized by abnormally fast heart rates exceeding 100 beats per minute. Here are some types of tachyarrhythmias with their distinct ECG features:Sinus Tachycardia:Sinus tachycardia presents a regular heart rhythm with an increased rate of 101-180 beats per...
555
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

3.3K
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...
3.3K

You might also read

Related Articles

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

Sort by
Same author

Applying Topical Anesthetic on Pediatric Lacerations in the Emergency Department: A Quality Improvement Project.

Pediatric emergency care·2023
Same author

Pediatric Blunt Cerebrovascular Injuries: Approach and Management.

Pediatric emergency care·2023
Same author

A Scoping Review of Pediatric Mass-Casualty Incident Triage Algorithms.

Disaster medicine and public health preparedness·2023
Same author

Superior mesenteric artery syndrome identified following bubble tea ingestion and duodenal impaction: a case report.

CJEM·2022
Same author

Just the facts: environmental pediatric hypothermia.

CJEM·2022
Same author

Emergency Department Management of COVID-19 Suspected Patients. An International Perspective.

International journal of public health·2022

Related Experiment Video

Updated: Feb 21, 2026

A Rat Model of Ventricular Fibrillation and Resuscitation by Conventional Closed-chest Technique
09:47

A Rat Model of Ventricular Fibrillation and Resuscitation by Conventional Closed-chest Technique

Published on: April 26, 2015

16.4K

Double sequential defibrillation for refractory ventricular fibrillation.

Chady El Tawil1, Sandra Mrad1, Basem F Khishfe2

  • 1Department of Emergency Medicine, American University of Beirut - Medical Center, Lebanon.

The American Journal of Emergency Medicine
|October 6, 2017
PubMed
Summary
This summary is machine-generated.

Double sequential defibrillation successfully restored circulation in a patient with refractory ventricular fibrillation after prolonged cardiac arrest. This technique offers a potentially simple and effective approach for challenging resuscitation cases.

Keywords:
DefibrillationDouble sequentialRefractoryResuscitationVentricular fibrillation

More Related Videos

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

Published on: January 31, 2019

15.4K
A Model of Long-Term Ventricular Fibrillation in Isolated Rat Hearts
07:56

A Model of Long-Term Ventricular Fibrillation in Isolated Rat Hearts

Published on: February 17, 2023

1.4K

Related Experiment Videos

Last Updated: Feb 21, 2026

A Rat Model of Ventricular Fibrillation and Resuscitation by Conventional Closed-chest Technique
09:47

A Rat Model of Ventricular Fibrillation and Resuscitation by Conventional Closed-chest Technique

Published on: April 26, 2015

16.4K
Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

Published on: January 31, 2019

15.4K
A Model of Long-Term Ventricular Fibrillation in Isolated Rat Hearts
07:56

A Model of Long-Term Ventricular Fibrillation in Isolated Rat Hearts

Published on: February 17, 2023

1.4K

Area of Science:

  • Cardiology
  • Emergency Medicine
  • Critical Care

Background:

  • Out-of-hospital cardiac arrest (OHCA) presents a significant resuscitation challenge.
  • Refractory ventricular fibrillation (VF) despite standard advanced cardiac life support (ACLS) protocols has poor prognoses.
  • Current ACLS guidelines offer limited options for refractory VF.

Observation:

  • A 54-year-old patient experienced OHCA with persistent VF.
  • The patient received immediate cardiopulmonary resuscitation (CPR) and multiple unsynchronized shocks.
  • Maximal antiarrhythmic drug therapy failed to convert the ventricular fibrillation.

Findings:

  • Double sequential defibrillation was administered as a last resort.
  • Successful Return Of Spontaneous Circulation (ROSC) was achieved after 61 minutes of cardiac arrest.
  • The patient was discharged with intact neurological function.

Implications:

  • Double sequential defibrillation may be a valuable strategy for refractory VF.
  • This approach could improve outcomes in prolonged cardiac arrest scenarios.
  • Further research is warranted to establish the role of double sequential defibrillation in ACLS algorithms.