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

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,...
Regulation of Heart Rates01:31

Regulation of Heart Rates

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...
Pathophysiology of Cardiac Performance01:29

Pathophysiology of Cardiac Performance

Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
Cardiac Output I:Effect of Heart Rate on Cardiac Output01:19

Cardiac Output I:Effect of Heart Rate on Cardiac Output

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 rate...
Regulation of Pulse01:20

Regulation of Pulse

Pulse regulation involves physiological mechanisms that ensure adequate blood flow throughout the body. The heartbeat, regulated by the autonomic nervous system, is influenced by hormonal balance, physical activity, and emotional state.
Regulation of the Cardiovascular System01:27

Regulation of the Cardiovascular System

The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...

You might also read

Related Articles

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

Sort by
Same author

Non-invasive hemodynamic monitoring as a guide to drug treatment of uncontrolled hypertensive patients: effects on home blood pressure in the BEAUTY study.

Blood pressure·2018
Same author

Dose-dependent efficacy of β-blocker in patients with chronic heart failure and atrial fibrillation.

International journal of cardiology·2018
Same author

Pulmonary hypertension due to a stiff left atrium: Speckle tracking equivalents of large V-waves.

Echocardiography (Mount Kisco, N.Y.)·2018
Same author

Home blood pressure measurement and digital health: communication technologies create a new context.

Journal of hypertension·2018
Same author

Systolic time intervals assessed from analysis of the carotid pressure waveform.

Physiological measurement·2018
Same author

Home blood pressure monitoring in the 21st century.

Journal of clinical hypertension (Greenwich, Conn.)·2018

Related Experiment Video

Updated: Jun 21, 2026

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

Variables influencing heart rate.

Mariaconsuelo Valentini1, Gianfranco Parati

  • 1Department of Clinical Medicine and Prevention, University of Milano-Bicocca, Milan, Italy.

Progress in Cardiovascular Diseases
|July 21, 2009
PubMed
Summary
This summary is machine-generated.

Heart rate is complex, influenced by many factors and autonomic nervous system regulation. Analyzing heart rate variability offers insights into cardiovascular disease risk and prognosis.

More Related Videos

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates
08:25

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates

Published on: April 4, 2020

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
05:48

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology

Published on: September 21, 2018

Related Experiment Videos

Last Updated: Jun 21, 2026

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

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates
08:25

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates

Published on: April 4, 2020

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
05:48

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology

Published on: September 21, 2018

Area of Science:

  • Cardiology
  • Autonomic Nervous System Physiology
  • Clinical Research

Background:

  • Instantaneous heart rate results from complex interactions.
  • Heart rate varies due to modifiable and non-modifiable factors.
  • Autonomic nervous system significantly regulates heart rate.

Purpose of the Study:

  • To summarize key variables influencing heart rate.
  • To explore the association between heart rate, heart rate variability, and cardiovascular disease.
  • To review the role of autonomic nervous system in heart rate regulation.

Main Methods:

  • Review of epidemiologic and clinical studies.
  • Pharmacologic blockade using beta-adrenergic and parasympathetic antagonists.
  • Analysis of heart rate and blood pressure variability.

Main Results:

  • Autonomic nervous system mechanisms identified through blockade studies.
  • Heart rate variability analysis provides insights into autonomic control of circulation.
  • Variability has diagnostic and prognostic implications.

Conclusions:

  • Heart rate and its variability are crucial in understanding cardiovascular health.
  • Autonomic control of heart rate is vital in various physiological and pathological states.
  • Understanding these factors aids in managing conditions like hypertension and heart failure.