What does cardiac sinus arrhythmia mean?

Sinus arrhythmia refers to changes in the rhythm of heart impulses originating from the sinus node, including excessive frequency, excessive frequency or rhythm change.

Normal heart beats originate from the sinus node, with a frequency of 60-100 beats/min and a regular rhythm. Sinus arrhythmia may occur without obvious symptoms, or may be manifested as dizziness, palpitations, chest tightness, shortness of breath, fatigue, etc.

Sinus arrhythmia may be related to factors such as diet, exercise, mood, and heart disease. Patients need proper rest, reasonable diet, and improvement of living habits. If necessary, medical treatment or surgery is required.