What does it mean to show sinus arrhythmia in the ECG report?

ECG shows sinus arrhythmia, refers to the patient still maintains sinus rhythm, but the heartbeat rhythm changes, is a common clinical arrhythmia phenomenon.

Sinus arrhythmia may be caused by physiological reasons, such as strenuous exercise, mood swings, drinking a lot of alcohol, strong tea, coffee and other drinks, can change the rhythm of the heart beat, causing transient sinus arrhythmia, most can be self-relieved.

It may also be caused by pathological reasons, such as hyperthyroidism, severe anemia, myocardial infarction, myocardial hypertrophy and other diseases, can also affect the heart beat, causing sinus arrhythmia.