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

674
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...
674
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

766
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...
766
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

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

907
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...
907
Mitral Valve Prolapse III: Nursing Management01:19

Mitral Valve Prolapse III: Nursing Management

517
The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
517
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

3.5K
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...
3.5K
Mechanism of Cardiac Arrhythmias01:28

Mechanism of Cardiac Arrhythmias

2.6K
Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.
2.6K

You might also read

Related Articles

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

Sort by
Same author

National dialysis registry of the Dominican Republic: first nationwide epidemiological analysis of renal replacement therapy.

BMC nephrology·2026
Same author

Abortions, stillbirth, and neonatal deaths caused by Ureaplasma diversum in beef cattle in Uruguay.

Tropical animal health and production·2026
Same author

Suspected organophosphate delayed neurotoxicity in sheep associated with widespread lobed needlegrass (<i>Nassella charruana</i>)-induced skin perforations.

Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·2026
Same author

Profile of Sugars, Organic Acids, and Antioxidant Activity in Moroccan Figs from Oases and Atlas Regions.

Journal of food science·2025
Same author

Longitudinal fetal heart rate analysis identifies neonates with metabolic acidemia requiring therapeutic hypothermia.

American journal of obstetrics and gynecology·2025
Same author

Frailty Prevalence and Characterization Among Kidney Transplant Candidates in Spain: A Multicenter Study.

Transplant international : official journal of the European Society for Organ Transplantation·2025

Related Experiment Video

Updated: Mar 24, 2026

Dual-Dye Optical Mapping of Hearts from RyR2R2474S Knock-In Mice of Catecholaminergic Polymorphic Ventricular Tachycardia
09:36

Dual-Dye Optical Mapping of Hearts from RyR2R2474S Knock-In Mice of Catecholaminergic Polymorphic Ventricular Tachycardia

Published on: December 22, 2023

1.9K

Catecholaminergic Polymorphic Ventricular Tachycardia in Pregnancy.

Matthew P Romagano1, Joanne N Quiñones, Amy Ahnert

  • 1Department of Obstetrics and Gynecology, the Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, the Division of Cardiology, Department of Medicine, and the Department of Anesthesia, Lehigh Valley Health Network, Allentown, Pennsylvania.

Obstetrics and Gynecology
|March 10, 2016
PubMed
Summary

Catecholaminergic polymorphic ventricular tachycardia (CPVT) requires careful management during pregnancy. A multidisciplinary team approach is crucial for successful outcomes in pregnant women with this genetic heart condition.

More Related Videos

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

15.5K
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

3.7K

Related Experiment Videos

Last Updated: Mar 24, 2026

Dual-Dye Optical Mapping of Hearts from RyR2R2474S Knock-In Mice of Catecholaminergic Polymorphic Ventricular Tachycardia
09:36

Dual-Dye Optical Mapping of Hearts from RyR2R2474S Knock-In Mice of Catecholaminergic Polymorphic Ventricular Tachycardia

Published on: December 22, 2023

1.9K
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

15.5K
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

3.7K

Area of Science:

  • Cardiology
  • Genetics
  • Maternal-Fetal Medicine

Background:

  • Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a genetic disorder causing ventricular tachycardia without structural heart disease or prolonged QT interval.
  • Untreated CPVT carries a high risk of sudden cardiac death.
  • Pregnancy management for CPVT necessitates a specialized, multidisciplinary approach.

Observation:

  • A nulliparous woman diagnosed with CPVT presented at 15 weeks gestation.
  • Her care was managed by a multidisciplinary team, including cardiology, maternal-fetal medicine, and nursing specialists.
  • A simulation was used to prepare for potential cardiac events during labor and delivery.

Findings:

  • The patient underwent a term intrapartum cesarean delivery due to fetal indications.
  • The collaborative team managed the patient throughout her antepartum, intrapartum, and postpartum care.
  • Successful pregnancy outcome was achieved through coordinated care.

Implications:

  • A multidisciplinary strategy is essential for managing pregnant women with CPVT.
  • Team-based care ensures comprehensive management of cardiac risks during pregnancy.
  • This case highlights the importance of coordinated care for successful pregnancy outcomes in high-risk cardiac conditions.