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Related Concept Videos

Factors Influencing Heart Rate01:30

Factors Influencing Heart Rate

6.0K
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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Increased pulse rate01:17

Increased pulse rate

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Tachycardia is a condition marked by an abnormally fast or irregular heart rate, surpassing the typical resting rate. In adults, tachycardia is characterized by a pulse rate ranging from 100 to 180 beats per minute. The increased heart rate can result in inadequate blood flow to various body parts, ultimately diminishing the oxygen supply to organs and tissues.
Many factors can elevate the risk of developing tachycardia. These include advanced age, a family history of arrhythmias, and an...
980
Decreased pulse rate01:14

Decreased pulse rate

784
Bradycardia is a medical condition in which the heart rate is slower than normal. It occurs when the heart's natural pacemaker, the sinus node, generates slower electrical impulses than the standard rhythm. In adults, bradycardia is diagnosed when the pulse rate falls below 60 beats per minute, indicating a deviation from the normal heart rate range.
There are specific risk factors that can elevate the likelihood of developing bradycardia. Advanced age is a significant factor, with...
784
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

3.8K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
3.8K
Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

284
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
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Related Experiment Video

Updated: Dec 26, 2025

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis
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Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis

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Heart rate as cardiovascular risk factor.

Gino Seravalle1, Guido Grassi2

  • 1Cardiology Department, S. Luca Hospital, Istituto Auxologico Italiano IRCCS , Milan, Italy.

Postgraduate Medicine
|March 14, 2020
PubMed
Summary
This summary is machine-generated.

Resting heart rate is a key health indicator. Elevated resting heart rate and increases over time are linked to higher risks of cardiovascular disease and mortality.

Keywords:
Resting heart rateautonomic nervous systemcardiovascular diseasesmortalityrisk factors

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Area of Science:

  • Cardiology
  • Preventive Medicine
  • Physiology

Background:

  • Heart rate is a widely recognized health marker, with wearable devices increasing its daily monitoring.
  • Elevated resting heart rate (RHR) is increasingly associated with various diseases and adverse health events.
  • Longitudinal studies confirm a link between rising RHR over time and increased cardiovascular and all-cause mortality.

Purpose of the Study:

  • To review current knowledge on resting heart rate as a cardiovascular risk factor.
  • To highlight the significance of RHR in predicting health outcomes.
  • To discuss the implications for risk reduction strategies.

Main Methods:

  • Review of current scientific literature and longitudinal studies.
  • Analysis of physiological and pathophysiological mechanisms of heart rate control.
  • Synthesis of evidence linking RHR to cardiovascular risk.

Main Results:

  • Resting heart rate is a significant predictor of cardiovascular and all-cause mortality.
  • Increased heart rate over time is associated with adverse health outcomes.
  • Understanding RHR mechanisms aids in identifying normal ranges and intervention targets.

Conclusions:

  • Resting heart rate is a crucial, accessible cardiovascular risk factor.
  • Monitoring RHR can inform personalized health interventions.
  • Further research into RHR modulation can reduce cardiovascular risk.