What causes the rapid heartbeat?

The rapid heartbeat may be caused by anxiety, physical activity, hyperthyroidism and other factors. The correlation analysis is as follows:

1. Anxiety,

anxiety and stress stimulate the sympathetic nervous system, leading to accelerated heartbeat, which is a normal physiological reaction.

2. Physical activity

Exercise and physical activity will accelerate blood circulation, causing myocardial contraction to increase, so as to supply oxygen to body organs, and the heartbeat will increase.

3. Hyperthyroidism

Hyperthyroidism will increase thyroid hormone secretion, promote basal metabolism to increase, leading to increased myocardial contraction frequency, resulting in rapid heartbeat.