Is 125 beats for minute for a 16 year old boy at rest serious?

A resting heart rate of 125 beats per minute (bpm) for a 16-year-old boy is considered elevated, as the normal resting heart rate typically ranges from 60 to 100 bpm. Such a high heart rate at rest could indicate factors like stress, anxiety, dehydration, or an underlying medical condition. It's advisable for the individual to consult a healthcare professional for further evaluation and to determine the cause of the elevated heart rate.