What are the consequences of sinus bradycardia with arrhythmia, need to be judged according to the primary disease, the degree of severity is not the same. Generally speaking, if there is no primary organic heart disease, just simple sinus bradycardia, accompanied by arrhythmia, and the heart rate is more than 50 beats / min, no obvious discomfort, is generally not harmful to the human body. This condition generally does not require special treatment. However, if sinus bradycardia accompanied by arrhythmia, accompanied by symptoms such as chest tightness, chest pain, dizziness, or even fainting, which is caused by organic heart disease such as sick sinus node syndrome, myocardial infarction, or myocardial ischemia, it may lead to fatal dangers such as sudden death and cardiac arrest, and requires prompt treatment. Therefore, people with sinus bradycardia with arrhythmia should seek timely medical attention, follow the doctor’s instructions for further examination, and follow the doctor’s instructions for treatment.