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Related Concept Videos

Factors Influencing Heart Rate01:30

Factors Influencing Heart Rate

4.7K
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,...
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Regulation of Heart Rates01:31

Regulation of Heart Rates

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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...
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Assessment of the Cardiovascular System I: Subjective Data01:23

Assessment of the Cardiovascular System I: Subjective Data

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A thorough health history and physical assessment are essential for identifying cardiovascular disease (CVD) symptoms and distinguishing them from other health issues.
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
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Assessment of radial pulse01:11

Assessment of radial pulse

1.0K
Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
1.0K
Correlation between ECG and Cardiac Cycle01:25

Correlation between ECG and Cardiac Cycle

8.4K
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...
8.4K
Assessment of apical radial pulse01:25

Assessment of apical radial pulse

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Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
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Related Experiment Video

Updated: Sep 13, 2025

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
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Associations Between Daily Heart Rate Variability and Self-Reported Wellness: A 14-Day Observational Study in Healthy

James Hannon1,2, Adrian O'Hagan2,3, Rory Lambe3,4

  • 1Centre for Research Training in Foundations of Data Science, University College Dublin, D04 V1W8 Dublin, Ireland.

Sensors (Basel, Switzerland)
|July 30, 2025
PubMed
Summary

Daily heart rate variability (HRV) tracking, specifically RMSSD, correlates with improved sleep, reduced fatigue, and lower stress. Consistent HRV monitoring offers insights into physiological recovery and overall wellness.

Keywords:
KubiosPolar H10heart rate variabilitymonitoringphysiologicvaliditywearable electronic devices

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Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
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An Application for Pairing with Wearable Devices to Monitor Personal Health Status
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Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
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Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
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An Application for Pairing with Wearable Devices to Monitor Personal Health Status
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An Application for Pairing with Wearable Devices to Monitor Personal Health Status

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Area of Science:

  • Physiology
  • Autonomic Nervous System Research
  • Wellness Monitoring

Background:

  • Heart rate variability (HRV) is a key indicator of autonomic nervous system (ANS) function and physiological recovery.
  • The root mean square of successive differences (RMSSD) is a commonly used HRV metric for assessing short-term variability.
  • Understanding the relationship between daily HRV and subjective wellness is crucial for practical applications.

Purpose of the Study:

  • To investigate the association between daily short-term HRV (RMSSD) and self-reported wellness in adults.
  • To determine if RMSSD can serve as a reliable marker for daily recovery and stress.
  • To explore the interpretability of HRV in real-world, non-clinical settings.

Main Methods:

  • A 14-day study involving 41 participants.
  • Daily five-minute HRV recordings using a Polar H10 sensor and Kubios app.
  • Daily self-reported ratings of sleep quality, fatigue, stress, and physical recovery.
  • Bayesian ordinal mixed-effects modeling to analyze associations.

Main Results:

  • Higher RMSSD values were significantly associated with better self-reported sleep quality.
  • Increased RMSSD correlated with lower perceived fatigue and reduced stress levels.
  • No significant association was found between RMSSD and perceived muscle soreness.

Conclusions:

  • Daily RMSSD measurements are interpretable as physiological markers of recovery and stress in everyday life.
  • Consistent HRV monitoring can provide valuable insights into subjective wellness when tracked over time.
  • While effect sizes are modest, HRV offers a promising tool for personalized wellness management.