Electrocardiogram results, sinus bradycardia, complete right bundle branch block, heart rate 56 beats/min, male, 30 years old, what heart disease is this? serious

What is your usual physical condition? Because you can see this situation in normal people, and adult men have a slow heart rate without any symptoms, which is a good performance of heart reserve ability.

According to your situation, it may be caused by rhinitis, because the decrease of blood oxygen saturation caused by poor nasal ventilation can cause reflex heart rate to increase, and fatigue can also lead to right ECG.