Sinus bradycardia is not recommended to go to the plateau. Sinus bradycardia refers to the frequency of adult sinus rhythm is less than 60 times / min, is not recommended to go to the plateau, the heart’s compensatory capacity is not good, to the plateau is very easy to have problems. The air in the plateau is relatively thin, which can easily cause respiratory difficulties, wheezing and even pulmonary edema and other serious consequences, and in severe cases, it may lead to sinus arrest or shock, sudden death and other serious consequences. Asymptomatic sinus bradycardia usually requires no treatment. If symptoms of insufficient cardiac output occur due to a slow heart rate, you should seek medical attention in time.