Does sinus arrhythmia belong to coronary heart disease

Sinus arrhythmia refers to the irregular rhythm of heart beating. It is an ECG manifestation. It is not an independent disease, so it does not belong to coronary heart disease, but patients with coronary heart disease can cause this phenomenon.

Sinus arrhythmia can be caused by a variety of reasons, including physiological factors, such as respiration, emotion, etc., as well as heart diseases, such as myocardial ischemia, arrhythmia, etc. Coronary heart disease refers to coronary atherosclerotic heart disease, which is a heart disease mainly caused by coronary atherosclerosis leading to vascular stenosis and insufficient blood supply. The main manifestations include angina pectoris and myocardial infarction. When patients undergo ECG examination, this result can occur.