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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.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...

Cardiac Output I:Effect of Heart Rate on Cardiac Output

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...

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Related Experiment Video

Updated: Mar 14, 2026

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

Published on: September 20, 2020

Task difficulty influences heart rate variability: evidence from a pilot study using a multi-level mental arithmetic

Ziqi Jian^1,2, Jingshi Huang², Feng Shi^1,2

¹Graduate School of Science and Engineering, Humanomics Laboratory, Chiba University, 33 Yayoi-cho, Inage Ward, Chiba, Japan.

Scientific Reports

|March 13, 2026

Summary

No abstract available in PubMed .

Keywords:

Cognitive load Heart rate variability Mental arithmetic task Psychological detachment Psychological stress Saturation effect

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