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

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 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...
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...
Increased pulse rate01:17

Increased pulse rate

Tachycardia is a condition marked by an abnormally fast or irregular heart rate, surpassing the typical resting rate. In adults, tachycardia is characterized by a pulse rate ranging from 100 to 180 beats per minute. The increased heart rate can result in inadequate blood flow to various body parts, ultimately diminishing the oxygen supply to organs and tissues.
Many factors can elevate the risk of developing tachycardia. These include advanced age, a family history of arrhythmias, and an...
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...
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...

You might also read

Related Articles

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

Sort by
Same author

Polygenic risk scores enhance prediction of atrial fibrillation disease progression: an analysis of the UK Biobank.

Heart rhythm·2026
Same author

Circulating metabolomic profile and its association with atrial fibrillation and systemic inflammation.

Heart rhythm O2·2026
Same author

CMR Detected Atrial Structural and Functional Remodeling in AF HFrEF: Ablation vs Medical Rate Control.

JACC. Clinical electrophysiology·2026
Same author

Left Ventricular Fibrosis in Atrial Fibrillation and Heart Failure with Reduced Ejection Fraction: A Comprehensive Review of Mechanisms, Clinical Implications, and Therapeutic Perspectives.

Heart rhythm·2026
Same author

Public versus private hospital pathways after emergency medical services transport for atrial fibrillation: a population-based cohort study.

Heart (British Cardiac Society)·2026
Same author

Young-Onset Atrial Fibrillation: Prevalence and Predictors of Adverse Long-Term Outcomes.

JACC. Clinical electrophysiology·2026
Same journal

Still Treating Yesterday's Risk? Reconsidering Antiviral Use for Mild-to-Moderate COVID-19 Cases in a Broadly Immune Population.

The Medical journal of Australia·2026
Same journal

Striving for Racial Equity in Oral Cancer Research: A Case Study.

The Medical journal of Australia·2026
Same journal

Progressing Cross-Sector Collaboration for People With Eating Disorders and Higher Weight: Priority Actions From an Expert Roundtable Using a Modified Nominal Group Technique.

The Medical journal of Australia·2026
Same journal

Self-Poisoning With Prazosin and Its Off-Label Use in Australia, 2014-2024: Analysis of NSW Poisons Information Centre Data.

The Medical journal of Australia·2026
Same journal

Drivers of Vaccine Uptake for Aboriginal and Torres Strait Islander Children to Inform Tailored Strategies: A Qualitative Study Exploring Health Service Provider Perspective.

The Medical journal of Australia·2026
Same journal

Four Urgent Actions for the Rights to Culturally Safe Breastfeeding for Aboriginal and Torres Strait Islander Mothers and Babies to Breastfeed in Neonatal Intensive Care Environments.

The Medical journal of Australia·2026
See all related articles

Related Experiment Video

Updated: Jun 24, 2026

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

Supraventricular tachycardia.

Caroline Medi1, Jonathan M Kalman, Saul B Freedman

  • 1Department of Cardiology, Royal Melbourne Hospital, Melbourne, VIC, Australia.

The Medical Journal of Australia
|March 20, 2009
PubMed
Summary
This summary is machine-generated.

Supraventricular tachycardia (SVT) can significantly impact quality of life due to recurrent, anxiety-provoking episodes. Catheter ablation offers a highly successful, low-risk curative treatment for symptomatic SVT when lifestyle changes are insufficient.

More Related Videos

Optimization of Transesophageal Atrial Pacing to Assess Atrial Fibrillation Susceptibility in Mice
08:05

Optimization of Transesophageal Atrial Pacing to Assess Atrial Fibrillation Susceptibility in Mice

Published on: June 29, 2022

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

Related Experiment Videos

Last Updated: Jun 24, 2026

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

Optimization of Transesophageal Atrial Pacing to Assess Atrial Fibrillation Susceptibility in Mice
08:05

Optimization of Transesophageal Atrial Pacing to Assess Atrial Fibrillation Susceptibility in Mice

Published on: June 29, 2022

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

Area of Science:

  • Cardiology
  • Electrophysiology
  • Internal Medicine

Background:

  • Supraventricular tachycardia (SVT) is a prevalent cardiac arrhythmia characterized by recurrent episodes of rapid heart rate.
  • While typically not life-threatening, SVT significantly diminishes patients' quality of life due to symptom severity and unpredictability.
  • Anxiety and lifestyle limitations are common patient experiences, often leading to a preference for curative interventions.

Purpose of the Study:

  • To review the clinical presentation, diagnosis, and management of supraventricular tachycardia (SVT).
  • To emphasize the impact of SVT on patient quality of life and the need for effective treatment.
  • To highlight catheter ablation as a primary curative option for symptomatic SVT.

Main Methods:

  • Clinical review of supraventricular tachycardia (SVT) based on patient history and diagnostic criteria.
  • Evaluation of treatment strategies including watchful waiting, pharmacotherapy, and catheter ablation.
  • Assessment of the efficacy and safety of catheter ablation for SVT management.

Main Results:

  • Diagnosis of SVT can often be established with high certainty from patient history alone, potentially reducing the need for repeated ECGs.
  • Catheter ablation is a low-risk, high-success procedure and the preferred treatment for frequent, prolonged, or quality-of-life-affecting SVT episodes.
  • Pharmacotherapy serves as an alternative for select patients requiring long-term prevention.

Conclusions:

  • Supraventricular tachycardia (SVT) management should prioritize patient quality of life and symptom burden.
  • Catheter ablation represents a highly effective first-line curative treatment for symptomatic SVT.
  • Non-invasive diagnosis and timely intervention are key to managing this common cardiac rhythm disturbance.