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 I: Sinus Arrhythmias01:16

ECG Interpretation of Arrhythmias I: Sinus Arrhythmias

860
Arrhythmias are disturbances in the heart's rhythm that lead to abnormal heartbeats. These irregularities can originate from different parts of the heart and are classified based on their origin and nature.
Types of Arrhythmias
Sinus Node Arrhythmias
Sinus Bradycardia: Originating from the sinoatrial (SA) node, sinus bradycardia involves slower impulses, resulting in a heart rate of less than 60 beats per minute (bpm). Causes include sleep, vagal stimulation, beta-blockers, hypothyroidism,...
860
Nephrotic Syndrome I : Introduction01:24

Nephrotic Syndrome I : Introduction

685
Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of...
685
Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

1.1K
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
1.1K
Irritable Bowel Syndrome I: Introduction01:17

Irritable Bowel Syndrome I: Introduction

1.1K
Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
1.1K
Restless Leg Syndrome and Night Terrors01:27

Restless Leg Syndrome and Night Terrors

579
Restless Leg Syndrome (RLS), also known as Willis-Ekbom disease, is a neurological disorder characterized by an uncontrollable urge to move the legs due to uncomfortable sensations. These sensations typically occur during periods of rest or inactivity, particularly when lying down or sitting, and can severely disrupt sleep.
The exact cause of RLS is not fully understood, but it is believed to involve dopamine, a neurotransmitter that helps regulate muscle movement. Imbalances in dopamine levels...
579
Acute Coronary Syndrome V: Nursing Management01:26

Acute Coronary Syndrome V: Nursing Management

353
Nursing Assessment:Nursing management of acute coronary syndrome (ACS) involves taking the patient's history, focusing on primary complaints such as chest pain, dyspnea, and excessive sweating (diaphoresis), as well as other symptoms like back or jaw pain, nausea, vomiting, palpitations, dizziness, and fatigue. The nurse also reviews the patient's history of cardiac events, risk factors such as hypertension, diabetes, smoking, family history, and current medications.In the objective assessment,...
353

You might also read

Related Articles

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

Sort by
Same author

Broadening the Differential of Pseudo-Atrioventricular Block.

JACC. Case reports·2026
Same author

Pre-clinical impact of higher irrigation flow rates during pulsed field ablation with a variable loop circular catheter.

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology·2026
Same author

Principles guiding PFA cardiac catheter and sheath management from preclinical assessment of microbubble formation and air intrusion models.

Heart rhythm·2026
Same author

Safety and Chronic Atrial Lesion Formation With a Large-Tip, Contact-Force-Sensing Multipolar Pulsed Field Ablation Catheter: Effect of Application Number in a Porcine Beating Heart Model.

Circulation. Arrhythmia and electrophysiology·2026
Same author

Atrial fibrillation ablation using three-dimensional artificial intelligence module integration with intracardiac echocardiography.

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology·2026
Same author

[Artificial intelligence-enhanced ECG interpretation: a new era for electrocardiography?]

Giornale italiano di cardiologia (2006)·2025

Related Experiment Video

Updated: Feb 10, 2026

How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants
08:50

How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants

Published on: December 14, 2014

9.7K

Sick Sinus Syndrome.

Roberto De Ponti1, Jacopo Marazzato1, Giuseppe Bagliani2

  • 1Department of Cardiology, School of Medicine, University of Insubria, Viale Borri, 57, Varese, Varese 21100, Italy.

Cardiac Electrophysiology Clinics
|May 23, 2018
PubMed
Summary

Sick sinus syndrome involves sinus node dysfunction, stemming from internal issues or external factors. Diagnosis relies on symptoms and electrocardiogram evaluation for effective management.

Keywords:
BradycardiaBradycardia-tachycardia syndromeSick sinus syndromeSinoatrial blockSinus arrestSinus nodeSinus node dysfunction

More Related Videos

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus
06:43

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Published on: December 7, 2013

14.6K
Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
08:31

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome

Published on: July 31, 2016

14.5K

Related Experiment Videos

Last Updated: Feb 10, 2026

How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants
08:50

How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants

Published on: December 14, 2014

9.7K
Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus
06:43

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Published on: December 7, 2013

14.6K
Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
08:31

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome

Published on: July 31, 2016

14.5K

Area of Science:

  • Cardiology
  • Electrophysiology

Background:

  • Sick sinus syndrome (SSS) is characterized by symptoms and signs of sinus node dysfunction.
  • Dysfunction can arise from intrinsic abnormalities in impulse generation/conduction or extrinsic reversible causes.

Purpose of the Study:

  • To highlight the diagnostic importance of symptom and electrocardiogram evaluation in sick sinus syndrome.
  • To explain the association between sinus node dysfunction and atrial arrhythmias, leading to bradycardia-tachycardia syndrome.

Main Methods:

  • Clinical evaluation of patient symptoms.
  • Electrocardiogram (ECG) analysis to assess cardiac electrical activity.

Main Results:

  • Diagnosis of SSS is primarily based on correlating patient symptoms with ECG findings.
  • Sinus node dysfunction can coexist with or predispose to atrial arrhythmias.

Conclusions:

  • Accurate diagnosis of sick sinus syndrome requires careful integration of clinical presentation and electrocardiographic data.
  • The presence of atrial arrhythmias alongside sinus node dysfunction defines the more complex bradycardia-tachycardia syndrome.