Extended data
No heart discomfort, pulse 50 ~ 60 times/minute. This kind of sinus bradycardia is mostly physiological, that is, normal, so there is no need to worry about affecting health or treat it. For people with uncomfortable heart, pay attention to the pulse number when they are calm at ordinary times, and then the pulse number when their heart is uncomfortable.
Mild shortness of breath, feeling a little heartbeat, slight fever, reddish complexion and slight sweating after exercise, the heart rate can return to normal in about 3~5 minutes, and there is no persistent fatigue or other discomfort, indicating moderate exercise; If there is obvious palpitation, shortness of breath, dizziness and sweating, the heart rate will not recover after resting 10~20 minutes, and fatigue, loss of appetite and poor sleep will occur. After exercise, it is considered that the amount of exercise is too large and should be reduced as appropriate. On the contrary, if you don't sweat after exercise and your heart rate doesn't change, it's best to increase some exercise moderately.
The resource Sogou Encyclopedia has a slow heartbeat.