Heart rate of adult human
Tachycardia refers to a fast resting heart rate — usually at least beats per minute. Tachycardia can be dangerous, depending on its underlying cause and on how difficult the heart needs to work. In basic, the adult resting heart beats in between 60 and times per minute. Our heart rates are managed by electrical signals that are sent throughout the tissues of the heart. When the heart produces rapid electrical signals, tachycardia occurs.
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How healthy is your resting heart rate? - CNET
Objective: The goal of this systematic literature review is to determine whether there are differences and similarities in heart rate variability HRV between adult patients with fibromyalgia FM , chronic fatigue syndrome CFS , and healthy pain-free control subjects. Methods: To obtain relevant articles, PubMed and Web of Knowledge were searched for case-control studies. Selection of the literature was based on selection criteria ascertaining studies with adult human patient groups comparing HRV. Risk of bias and levels of evidence were determined.
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Target Heart Rate and Estimated Maximum Heart Rate
The heart is an organ located just behind and slightly to the left of the breastbone, and pumps blood through a network of veins and arteries known as the circulatory system. The right atrium is sent blood from the veins, and delivers it to the right ventricle. It's then pumped into the lungs where it is oxygenated.
A normal heart rate depends upon the individual, age, body size, heart disease, whether the person is sitting or moving, medication use and even air temperature level. Even feelings can have an impact on heart rate. For instance, getting excited or scared can increase the heart rate. But most significantly, getting fitter decreases the heart rate, by making heart muscles work more efficiently.
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