What is the difference between sinus rhythm and sinus arrhythmia?
The differences between sinus rhythm and sinus arrhythmia lie in whether the rhythm is normal or abnormal, clinical symptoms, and treatment approaches. The specific details are as follows:
1. Normal vs. Abnormal
Sinus rhythm refers to a normal heart rhythm. Sinus arrhythmia indicates that the heart's origin of electrical activity is still the sinoatrial node, but the heart rate has become irregular.
2. Different Clinical Symptoms
Individuals with sinus rhythm typically have no clinical symptoms. In contrast, those with sinus arrhythmia may experience symptoms such as tachycardia (rapid heartbeat), bradycardia (slow heartbeat), or irregular heartbeat.
3. Different Treatment Approaches
Sinus rhythm generally does not require treatment. For patients with sinus arrhythmia, antiarrhythmic medications may be used under a doctor's guidance to improve the condition. Commonly used drugs include verapamil hydrochloride tablets, diltiazem hydrochloride sustained-release capsules, and lidocaine injection.
When sinus arrhythmia occurs, timely examination and treatment are essential to prevent serious damage to heart function.