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Factors Influencing Heart Rate

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.
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Regulation of Heart Rates

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).
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Decreased pulse rate

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Updated: Jul 4, 2026

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

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

Published on: September 26, 2018

[Is resting heart rate a cardiovascular risk factor?].

S Cook¹, E Delacrétaz, O M Hess

¹Swiss Cardiovascular Center, Bern.

|July 3, 2008

Summary

Resting heart rate is now recognized as a significant predictor of cardiac events, including sudden cardiac death and heart failure. Elevated resting heart rate also indicates increased risk for all-cause mortality in both general and cardiac patient populations.

Area of Science:

Cardiology
Preventive Medicine

Background:

Resting heart rate (RHR) was historically underestimated as a cardiovascular risk factor.
Emerging evidence highlights RHR's prognostic significance.

Purpose of the Study:

To evaluate the role of resting heart rate as a predictor of mortality and cardiac events.
To understand the pathophysiological basis linking RHR to adverse cardiovascular outcomes.

Main Methods:

Review of recent epidemiological and clinical evidence.
Analysis of pathophysiological mechanisms connecting heart rate to cardiac function.

Main Results:

Resting heart rate is a significant prognostic factor for sudden cardiac death and heart failure.
Elevated RHR predicts both cardiac and all-cause mortality.

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

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Pulse-Wave Velocity, Flow-Mediated Dilation, and Carotid Intima-Media Thickness to Assess Cardiovascular Risk in Population with Metabolic Syndrome

Pulse-Wave Velocity, Flow-Mediated Dilation, and Carotid Intima-Media Thickness to Assess Cardiovascular Risk in Population with Metabolic Syndrome

Published on: September 27, 2024

Increased RHR elevates myocardial oxygen demand and reduces diastolic coronary blood flow.

Conclusions:

Resting heart rate is a crucial, independent prognostic marker in cardiovascular medicine.
Understanding RHR's impact is vital for risk stratification and patient management.
Pathophysiological mechanisms involving myocardial oxygen supply-demand balance explain RHR's predictive power.