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

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...
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

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...
Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

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 minute.
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...
Dysrhythmias IV: Characteristics of Bradyarrhythmias01:18

Dysrhythmias IV: Characteristics of Bradyarrhythmias

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...
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

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...

You might also read

Related Articles

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

Sort by
Same author

Remediation of Pb-contaminated soil using modified bauxite refinery residue.

Journal of hazardous materials·2022
Same author

Human serum albumin gradient in serous ovarian cancer cryosections measured by fluorescence lifetime.

Biomedical optics express·2021
Same author

Enhancement effect of nanoscale zero-valent iron addition on microbial degradation of BDE-209 in contaminated mangrove sediment.

The Science of the total environment·2021
Same author

Corrigendum to "Histopathological changes and piscidin 5-like location in infected Larimichthys crocea with parasite Cryptocaryon irritans" [Fish Shellfish Immunol. 99 (2020) 52-58].

Fish & shellfish immunology·2021
Same author

Case Report: Acute Retinal Necrosis after Intravitreal Ranibizumab for Exudative Macular Degeneration.

Optometry and vision science : official publication of the American Academy of Optometry·2021
Same author

Monitoring the extracellular matrix remodeling of high-grade serous ovarian cancer with nonlinear optical microscopy.

Journal of biophotonics·2021

Related Experiment Video

Updated: Jun 11, 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

Atrial fibrillation--changes 2000 to 2009.

Janice Charles1, Ying Pan, Graeme Miller

  • 1Australian GP Statistics & Classification Centre, University of Sydney, New South Wales.

Australian Family Physician
|July 15, 2010
PubMed
Summary
This summary is machine-generated.

General practitioners managed atrial fibrillation (AF) approximately 578,000 times annually in 2000-2001. By 2008-2009, AF management by GPs more than doubled to 1.5 million encounters per year.

More Related Videos

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

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

Related Experiment Videos

Last Updated: Jun 11, 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

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

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

Area of Science:

  • General Practice
  • Cardiology
  • Public Health

Background:

  • Atrial fibrillation (AF) is a common cardiac arrhythmia.
  • Effective management of AF in primary care is crucial for patient outcomes.

Purpose of the Study:

  • To assess trends in the management of atrial fibrillation (AF) by general practitioners (GPs).
  • To quantify the national incidence of AF management in primary care settings.

Main Methods:

  • Analysis of data from the Bettering the Evaluation and Care of Health (BEACH) program.
  • Calculation of AF management rates per 100 general practice encounters.
  • Estimation of national annual AF management encounters by GPs.

Main Results:

  • In 2000-2001, AF was managed at a rate of 0.6 per 100 encounters, equating to approximately 578,000 national GP encounters.
  • In 2008-2009, the AF management rate increased to 1.3 per 100 encounters, representing about 1.5 million national GP encounters.
  • This indicates a more than twofold increase in the frequency of AF management by GPs over the study period.

Conclusions:

  • The frequency of atrial fibrillation management by general practitioners in Australia significantly increased between 2000 and 2009.
  • Primary care physicians are managing a growing number of patients with atrial fibrillation.
  • This trend highlights the increasing burden of AF on general practice and the need for continued primary care-based management strategies.