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  2. Heart rate - Wikipedia

    en.wikipedia.org/wiki/Heart_rate

    The maximum heart rate (HR max) is the age-related highest number of beats per minute of the heart when reaching a point of exhaustion [28] [29] without severe problems through exercise stress. [30] In general it is loosely estimated as 220 minus one's age. [31] It generally decreases with age. [31]

  3. Bruce protocol - Wikipedia

    en.wikipedia.org/wiki/Bruce_protocol

    [citation needed] The heart rate formula most often used for the Bruce is the Karvonen formula (below). A more accurate formula, offered in a study published in the journal, Medicine & Science in Sports & Exercise, is 206.9 - (0.67 x age) which can also be used to more accurately determine VO2 Max, but may produce significantly different results.

  4. How many heartbeats do you have in a lifetime? Here's what to ...

    www.aol.com/many-heartbeats-lifetime-heres-know...

    That depends, and age is a big factor as the maximal rate declines with age. For example, in someone 20 years of age, 200 beats per minute (bpm) is typical, with a range of 190 to 220, although ...

  5. Cardiac physiology - Wikipedia

    en.wikipedia.org/wiki/Cardiac_physiology

    The adult resting heart rate ranges from 60 to 100 bpm. Exercise and fitness levels, age and basal metabolic rate can all affect the heart rate. 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 and 220 bpm. [1]

  6. Here Are Cardiologist-Approved Ways to Lower Your Resting ...

    www.aol.com/cardiologist-approved-ways-lower...

    “Your maximum heart rate is about 220 [bpm] minus your age.” What is a healthy heart rate? When it comes to resting heart rate, lower is better, says Dr. Steinbaum. “It usually means your ...

  7. Heart rate variability - Wikipedia

    en.wikipedia.org/wiki/Heart_rate_variability

    Heart rate variability (HRV) is the physiological phenomenon of variation in the time interval between heartbeats. It is measured by the variation in the beat-to-beat interval. Other terms used include "cycle length variability", "R–R variability" (where R is a point corresponding to the peak of the QRS complex of the ECG wave; and R–R is ...