What is paroxysmal sinus tachycardia?

The heart rate is usually 60-100 beats per minute. When it exceeds 100 beats per minute, it indicates that there may be paroxysmal sinus tachycardia, and paroxysmal generally refers to intermittent occurrence.

1. Physiological conditions

generally refer to strenuous exercise, or emotional agitation. When in a tense state, sympathetic nerve excitation may be caused, causing paroxysmal sinus tachycardia. After rest, it may return to normal state in a short time without any discomfort.

2. Pathological conditions

generally refer to patients with myocarditis and other heart diseases, which may lead to paroxysmal sinus tachycardia due to myocardial ischemia. It is recommended to go to the hospital in time for further examination.