As a medical professional with expertise in cardiology, I can provide you with information on the normal range for a heart rate as measured by an electrocardiogram (ECG).

A normal ECG heart rate for adults ranges from 60 to 100 beats per minute (BPM). However, it's important to note that athletic individuals often have a lower resting heart rate, which can be as low as 40 BPM. On the other hand, a higher heart rate can be normal for some people, especially if they are children or adolescents, where rates up to 120 BPM can be considered normal.

For newborns, the heart rate is typically much higher, ranging from 120 to 140 BPM. As children grow older, their heart rate gradually decreases.

It's also worth mentioning that factors such as **stress, exercise, pregnancy, caffeine, and certain medications** can temporarily increase heart rate, while sleep and meditation can decrease it.

If you have concerns about your heart rate or the results of an ECG, it's important to consult with a healthcare provider for a thorough evaluation.

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Normal ECG. A normal ECG is illustrated above. Note that the heart is beating in a regular sinus rhythm between 60 - 100 beats per minute (specifically 82 bpm). All the important intervals on this recording are within normal ranges.read more >>