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

73
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...
73
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

1.1K
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...
1.1K
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

21
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...
21
Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

19
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...
19
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

29
Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
29
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

827
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
827

You might also read

Related Articles

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

Sort by
Same author

Components of Service Delivery Models of Care for the Detection, Care and Management of Visual Impairment for Adults and Children with Acquired Brain Injury: A Scoping Review Protocol.

The British and Irish orthoptic journal·2026
Same author

Components of Service Delivery Models of Care for the Detection, Care and Management of Visual Impairment for Children with Cerebral Visual Impairment: A Scoping Review Protocol.

The British and Irish orthoptic journal·2026
Same author

Integrated Care Using the ABC<sub>stroke</sub> Pathway Improves Cardiovascular Outcomes and Survival in Patients with First-Ever Ischaemic Stroke.

Global heart·2025
Same author

Long-term outcomes after first-ever posterior circulation stroke and the prognostic significance of the New England Medical Center Posterior Circulation Registry stroke classification: A prospective study from the Athens Stroke Registry.

European stroke journal·2024
Same author

Mortality Risk in Patients With Cardiac Complications Following Ischemic Stroke: A Report From the Virtual International Stroke Trials Archive.

Journal of the American Heart Association·2024
Same author

Machine learning for stroke in heart failure with reduced ejection fraction but without atrial fibrillation: A post-hoc analysis of the WARCEF trial.

European journal of clinical investigation·2024
Same journal

Prosthetic valve thrombosis: contemporary concepts in diagnosis and management.

Expert review of cardiovascular therapy·2026
Same journal

Life's essential 8 and its role in cardiovascular health: evolution, evidence, and future directions.

Expert review of cardiovascular therapy·2026
Same journal

Efficacy and safety of clopidogrel and aspirin initiated within 72 hours after mild ischemic stroke or high-risk TIA by sex: a prespecified subgroup analysis of the INSPIRES trial.

Expert review of cardiovascular therapy·2026
Same journal

Approaches to transcatheter aortic valve replacement failure: is more focus on prevention required?

Expert review of cardiovascular therapy·2026
Same journal

Vericiguat for heart failure with reduced ejection fraction: a perspective from approval to real-world clinical treatment.

Expert review of cardiovascular therapy·2026
Same journal

Early autonomic neuropathy in prediabetes: an overlooked driver of cardiometabolic risk.

Expert review of cardiovascular therapy·2026
See all related articles

Related Experiment Video

Updated: Aug 16, 2025

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

83.8K

Atrial fibrillation and stroke.

Sylvia E Choi1,2, Dimitrios Sagris1,3, Andrew Hill1,4

  • 1Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK.

Expert Review of Cardiovascular Therapy
|December 20, 2022
PubMed
Summary
This summary is machine-generated.

Atrial fibrillation (AF) significantly increases stroke risk, often leading to severe outcomes. Oral anticoagulation helps, but AF remains a key factor in many unexplained strokes, necessitating further research and integrated care.

Keywords:
atrial fibrillationcryptogenic strokeembolic strokeintegrated care approachoral anticoagulationrhythm controlstroke prevention

More Related Videos

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

33.5K
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

1.8K

Related Experiment Videos

Last Updated: Aug 16, 2025

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

83.8K
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

33.5K
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

1.8K

Area of Science:

  • Cardiology
  • Neurology
  • Public Health

Background:

  • Atrial fibrillation (AF) is a prevalent cardiac arrhythmia with a five-fold increased risk of stroke.
  • AF-related strokes are frequently fatal or disabling, posing a significant global health burden.
  • AF contributes to a substantial portion of cryptogenic strokes, where the cause is unclear.

Approach:

  • This review synthesizes current literature on the relationship between AF and stroke.
  • It explores pathophysiological mechanisms linking AF to thrombogenesis and stroke.
  • The review covers diagnostic strategies and management approaches for AF in stroke patients.

Key Points:

  • The pathophysiology connecting AF and stroke requires further elucidation to develop novel therapeutic targets.
  • Integrated care models are crucial for managing the complex interplay of AF and stroke.
  • Identifying and managing AF is vital for reducing stroke incidence and improving patient outcomes.

Conclusions:

  • AF represents a major, modifiable risk factor for stroke.
  • Understanding the pathophysiology of AF-related thrombogenesis is critical for prevention.
  • Comprehensive management strategies, including early diagnosis and integrated care, are essential for mitigating the impact of AF on stroke.