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Heart rate is the frequency of the heartbeat measured by the number of contractions of the heart per minute (beats per minute, or bpm). The heart rate varies according to the body's physical needs, including the need to absorb oxygen and excrete carbon dioxide .
As its name suggests, your resting heart rate, or pulse, is the number of times your heart beats per minute when you’re at rest. (Not to be confused with blood pressure , the force with which ...
Further down the electrical conducting system of the heart is the Bundle of His. The left and right bundle branches, and the Purkinje fibers, will also produce a spontaneous action potential at a rate of 30–40 beats per minute, so if the SA and AV node both fail to function, these cells can become pacemakers. These cells will be initiating ...
The adult resting heart rate ranges from 60 to 100 bpm. The resting heart rate of a newborn can be 129 beats per minute (bpm) and this gradually decreases until maturity. [50] An athlete's heart rate can be lower than 60 bpm. During exercise the rate can be 150 bpm with maximum rates reaching from 200 to 220 bpm. [8]
For example, in someone 20 years of age, 200 beats per minute (bpm) is typical, with a range of 190 to 220, although 220 would be quite high and rare. For someone 60 years of age, the HRmax would ...
Whereas your heart rate is the number of times your heart beats per minute, your blood pressure measures the force with which your blood circulates and stresses your artery walls. If you have high ...
respiratory rate below breaths per minute; heart rate less than 110 beats per minute; it is necessary to begin ventilations with a rate of 30 breaths per minute. If, after 15 ventilations (thirty seconds) the heart rate remains below 60 per minute is necessary to begin resuscitation, otherwise continue.
If your heart is racing at more than 130 beats per minute for more than 10 minutes, your heart rate is less than 50 beats per minute or if the heartbeat is fast and erratic, then seek immediate ...