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

Factors Influencing Heart Rate01:30

Factors Influencing Heart Rate

2.6K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
2.6K
Correlation between ECG and Cardiac Cycle01:25

Correlation between ECG and Cardiac Cycle

4.1K
The electrical signals recorded on an electrocardiogram (ECG) occur before the mechanical processes of contraction and relaxation during the cardiac cycle.
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
4.1K
Regulation of Heart Rates01:31

Regulation of Heart Rates

1.7K
The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
1.7K
Pulse rhythm01:30

Pulse rhythm

782
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
782
Cardiac Output I:Effect of Heart Rate on Cardiac Output01:19

Cardiac Output I:Effect of Heart Rate on Cardiac Output

723
Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart...
723
Disturbances in Heart Rhythm01:28

Disturbances in Heart Rhythm

932
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...
932

You might also read

Related Articles

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

Sort by
Same author

Neoadjuvant therapy linked to higher mortality in early esophageal adenocarcinoma: a national cohort study.

Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract·2026
Same author

Factors associated with enrollment, adherence, and retention in a remotely delivered tobacco cessation randomized controlled trial.

Tobacco prevention & cessation·2026
Same author

Is a happy marriage a double-edged sword for biological aging? Preliminary evidence for the moderating role of couples' health behaviors.

Brain, behavior, and immunity·2026
Same author

Correction: Validation of the Arabic Levels of Emotional Awareness Scale (LEAS-Arb).

PloS one·2026
Same author

Nonlinear Relations Between Resting Heart Rate Measures and Health Risk Behavior in Emerging Adulthood.

Journal of adolescence·2026
Same author

Daily closeness discrepancies and marital interaction quality in the context of chronic pain: mediating effect of loneliness.

The Gerontologist·2026

Related Experiment Video

Updated: Jun 21, 2025

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
08:12

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions

Published on: June 5, 2019

19.8K

Emotional Awareness Is Correlated With Ambulatory Heart Rate Variability: A Replication and Extension.

Derek P Spangler1, Harry T Reis, Chiu-Hsieh Hsu

  • 1From the Department of Biobehavioral Health at Penn State University (Spangler), University Park, Pennsylvania; Department of Psychology at University of Rochester (Reis), Rochester, New York; Epidemiology and Biostatistics Department, University of Arizona College of Public Health, Tucson, Arizona (Hsu), Tucson, Arizona; Department of Medicine at University of Rochester Medical Center (Zareba), Rochester, New York; and Departments of Psychiatry, Psychology, and Neuroscience at University of Arizona (Lane), Tucson, Arizona.

Psychosomatic Medicine
|July 8, 2024
PubMed
Summary

Emotional awareness (EA) is positively linked to heart rate variability (HRV) in long QT syndrome (LQTS) patients. Higher EA in LQTS patients suggests stronger parasympathetic heart regulation, crucial for managing cardiac risk.

More Related Videos

Author Spotlight: Advancing the Study of Brain-Heart Interplay with a Comprehensive EEGLAB Plugin for Multimodal Signal Analysis
08:22

Author Spotlight: Advancing the Study of Brain-Heart Interplay with a Comprehensive EEGLAB Plugin for Multimodal Signal Analysis

Published on: April 26, 2024

1.8K
Psychophysiological Assessment of the Effectiveness of Emotion Regulation Strategies in Childhood
08:09

Psychophysiological Assessment of the Effectiveness of Emotion Regulation Strategies in Childhood

Published on: February 11, 2017

11.5K

Related Experiment Videos

Last Updated: Jun 21, 2025

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
08:12

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions

Published on: June 5, 2019

19.8K
Author Spotlight: Advancing the Study of Brain-Heart Interplay with a Comprehensive EEGLAB Plugin for Multimodal Signal Analysis
08:22

Author Spotlight: Advancing the Study of Brain-Heart Interplay with a Comprehensive EEGLAB Plugin for Multimodal Signal Analysis

Published on: April 26, 2024

1.8K
Psychophysiological Assessment of the Effectiveness of Emotion Regulation Strategies in Childhood
08:09

Psychophysiological Assessment of the Effectiveness of Emotion Regulation Strategies in Childhood

Published on: February 11, 2017

11.5K

Area of Science:

  • Cardiology
  • Psychophysiology
  • Affective Neuroscience

Background:

  • Emotional awareness (EA) correlates positively with heart rate variability (HRV) in healthy individuals.
  • Vagus nerve activity significantly influences HRV.
  • Long QT syndrome (LQTS) patients face genetic risks for sudden cardiac death.

Purpose of the Study:

  • To investigate the association between emotional awareness and heart rate variability in LQTS patients.
  • To examine this relationship in a real-world ambulatory setting.
  • To understand the implications for cardiac risk and autonomic regulation.

Main Methods:

  • 157 LQTS patients completed the Levels of Emotional Awareness Scale (LEAS) for EA assessment.
  • Ecological momentary assessment with 10 daily assessments over 3 days.
  • Multiple 5-minute ECG recordings via Holter monitor to compute high-frequency HRV (HF-HRV).

Main Results:

  • A significant positive association was found between LEAS scores and HF-HRV.
  • Emotional awareness was inversely related to mean heart rate.
  • Results were controlled for relevant biobehavioral covariates.

Conclusions:

  • In LQTS patients, higher emotional awareness is linked to greater parasympathetic cardiac influence.
  • Findings support the Neurovisceral Integration Model, highlighting shared neural pathways for EA and HRV.
  • These results suggest a potential role for EA in adaptive emotional responding and cardiac risk management.