What does a 20-something heart rate around 90 mean?

20 years old heart rate 90 beats/min does not mean anything, is a normal heart rate.

Normal heart rate range is generally between 60-100 beats/min, 20 years old if the heart rate measured in 90 beats/min, generally does not mean anything, is a normal phenomenon. Usually in exercise, anxiety, tension and other circumstances, heart rate may temporarily increase, is a normal phenomenon. But if found that the heart rate continues to increase, accompanied by discomfort, it is more abnormal, may be related to infection, hyperthyroidism, anemia, heart disease and other factors.

If the heart rate in 20 years old continues to be high or discomfort, it is recommended to seek medical advice in time, so as not to delay the disease.