Related Experiment Video

Updated: Jun 26, 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

Chronaxie of defibrillation: a pathway toward further optimization of defibrillation waveform?

Igor R Efimov

    Journal of Cardiovascular Electrophysiology
    |January 30, 2009
    PubMed
    Abstract

    No abstract available in PubMed .

    More Related Videos

    Advanced Cardiac Rhythm Management by Applying Optogenetic Multi-Site Photostimulation in Murine Hearts08:43

    Advanced Cardiac Rhythm Management by Applying Optogenetic Multi-Site Photostimulation in Murine Hearts

    Published on: August 26, 2021

    Standardized Model of Ventricular Fibrillation and Advanced Cardiac Life Support in Swine05:36

    Standardized Model of Ventricular Fibrillation and Advanced Cardiac Life Support in Swine

    Published on: January 30, 2020

    Related Concept Videos

    Dysrhythmias VI: Management of Dysrhythmias01:25

    Dysrhythmias VI: Management of Dysrhythmias

    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...
    Electrocardiogram Fundamentals01:28

    Electrocardiogram Fundamentals

    Introduction
    An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
    Definition
    An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
    Parts of an ECG
    An ECG utilizes electrodes on the skin to...
    Dysrhythmias I: Introduction01:15

    Dysrhythmias I: Introduction

    Dysrhythmias refers to abnormalities in the heart's rhythm. They result from disruptions in the heart's electrical conduction system, which includes the sinoatrial(SA)node, atrioventricular(AV) node, the bundle of His, bundle branches, and Purkinje fibers.Definition and PathophysiologyDysrhythmias result from disorders of impulse formation, impulse conduction, or both. The heart contains specialized cells in the sinoatrial node, atrioventricular node, and the bundle of His and Purkinje fibers...
    Dysrhythmias V: Evaluating Dysrhythmias01:30

    Dysrhythmias V: Evaluating Dysrhythmias

    Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
    Cardiac Action Potential01:30

    Cardiac Action Potential

    Cardiac action potentials are essential for proper heart function, enabling the rhythmic contractions needed for adequate blood circulation. Nodal cells and Purkinje fibers, specialized for electrical conduction, generate these action potentials.
    The cardiac action potential process involves a series of phases characterized by the movement of ions across the cardiac cell membranes, leading to the depolarization and repolarization of the cardiac myocytes.
    Ionic Basis of Cardiac Action Potentials
    Electrophysiology of Normal Cardiac Rhythm01:19

    Electrophysiology of Normal Cardiac Rhythm

    The normal cardiac rhythm is a synchronized electrical activity that facilitates the regular and coordinated contraction of the heart muscle. This process is essential for efficient blood circulation throughout the body. The fundamental elements involved in establishing and maintaining this rhythm include the unique electrical properties of cardiac muscle cells, the sinoatrial (SA) node's pacemaker function, the specialized conducting system, and the ionic mechanisms underlying each phase of...