ECG shows sinus arrhythmia is what reason

ECG shows sinus arrhythmia may be related to physiological factors, disease factors, drug factors, etc.

1. Physiological factors

If there is strenuous exercise, mood fluctuation, drinking alcohol, drinking strong tea, etc. before ECG examination, it may lead to changes in cardiac rhythm, thus causing sinus arrhythmia.

2. Disease factors

If you suffer from hyperthyroidism, anemia, pericarditis and other diseases, it may also cause changes in cardiac rhythm, and sinus arrhythmia occurs during ECG examination.

3. Drug factors

If you take atropine sulfate tablets, digoxin tablets, morphine hydrochloride tablets and other drugs before examination, it may affect cardiac rhythm, thus showing sinus arrhythmia.