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

Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

594
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...
594
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

3.4K
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...
3.4K
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

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

753
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...
753
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

709
Tachyarrhythmias are a type of dysrhythmia where the heart rate exceeds 100 beats per minute. Here are some common types of tachyarrhythmias:Sinus TachycardiaSinus tachycardia originates from increased impulses from the sinus node, leading to an elevated heart rate. It is often triggered by stress, fever, or exercise.Patients may experience palpitations, a sensation of a racing heart, dizziness, and chest discomfort.Causes and Risk Factors: Common causes include physical exertion, emotional...
709
Dysrhythmias IV: Characteristics of Bradyarrhythmias01:18

Dysrhythmias IV: Characteristics of Bradyarrhythmias

709
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...
709
Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

553
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...
553

You might also read

Related Articles

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

Sort by
Same author

Evaluating the use of vision-face-arm-speech-time in stroke admissions: A comparative study with national institutes of health stroke scale and orthoptist assessment in an emergency department.

Clinical rehabilitation·2026
Same author

Quality of life, care needs and priorities in atrial fibrillation: the impact of number and patterns of comorbidities.

Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation·2026
Same author

The role of comorbidity and frailty in shaping the burden of atrial fibrillation: a multinational cross-sectional survey.

Scientific reports·2026
Same author

Single-Multiple and Recurrent Pregnancy-Related Complications and Incident Cardiovascular Disease: A Nationwide Data Linkage Study in Wales, UK.

Journal of the American Heart Association·2026
Same author

Informal Caregiving in Patients With Atrial Fibrillation and Multimorbidity: A Cross-European Study of Caregiver Burden, Health-Related Quality of Life, and Caregiver Engagement.

The Journal of cardiovascular nursing·2025
Same author

Development of a core outcome set for patients with epiretinal membranes: a Delphi consensus study.

The British journal of ophthalmology·2025
Same journal

The US Ebola response and the future of global health leadership.

Lancet (London, England)·2026
Same journal

Daniel Mason: a tale of change.

Lancet (London, England)·2026
Same journal

The 2026 Wakley-Wu Lien Teh Prize Essay: why medicine, and why stay?

Lancet (London, England)·2026
Same journal

Indonesia's health reform: from pandemic mandate to the six pillars of transformation.

Lancet (London, England)·2026
Same journal

LGBTQ+ Russians increasingly avoiding doctors.

Lancet (London, England)·2026
Same journal

Department of Error.

Lancet (London, England)·2026
See all related articles

Related Experiment Video

Updated: Mar 9, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

34.2K

Atrial fibrillation.

Deirdre A Lane1, Jason G Andrade2, Elena Arbelo3

  • 1Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK; Liverpool Centre for Cardiovascular Sciences, University of Liverpool, Liverpool John Moores University and Liverpool Heart and Chest Hospital, Liverpool, UK; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.

Lancet (London, England)
|March 7, 2026
PubMed
Summary
This summary is machine-generated.

Atrial fibrillation (AF) affects millions globally, with prevalence doubling soon. Early detection via technology and integrated care, focusing on stroke prevention and risk factor management, are crucial for optimizing AF patient outcomes.

More Related Videos

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

2.2K
High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation
09:17

High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation

Published on: July 29, 2011

15.3K

Related Experiment Videos

Last Updated: Mar 9, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

34.2K
Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

2.2K
High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation
09:17

High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation

Published on: July 29, 2011

15.3K

Area of Science:

  • Cardiology
  • Public Health
  • Medical Technology

Background:

  • Atrial fibrillation (AF) impacts over 37.6 million worldwide, with prevalence projected to double in 35 years.
  • Increased detection is occurring due to widespread wearable devices and diagnostic technologies.
  • AF significantly elevates risks of stroke, heart failure, death, and reduces quality of life, often complicated by comorbidities and aging.

Purpose of the Study:

  • To review current management strategies for atrial fibrillation (AF).
  • To highlight the importance of integrated care and risk factor optimization in AF.
  • To emphasize the role of technology and patient empowerment in AF management.

Main Methods:

  • Review of clinical guidelines and current literature on atrial fibrillation management.
  • Analysis of the impact of technological advancements on AF detection.
  • Discussion of integrated care models and patient-centered approaches.

Main Results:

  • Stroke prevention via oral anticoagulation remains standard, with catheter ablation gaining traction for symptom relief.
  • Dynamic risk factor management, including lifestyle factors, is essential for optimal AF care.
  • Technological advancements facilitate earlier and broader AF detection.

Conclusions:

  • Integrated, multidisciplinary care focusing on stroke prevention and optimized risk factor management is vital for atrial fibrillation patients.
  • Patient-centered care and enhanced health literacy empower individuals in managing their condition.
  • Proactive identification and management of risk factors are key to improving atrial fibrillation outcomes.