Normally, the heartbeat of a normal adult is 60~100 beats/minute at rest, and a heartbeat around 100 beats/minute may be caused by dietary factors, excessive exercise, hyperthyroidism and other reasons.
1. Dietary factors: If the patient consumes a large amount of tea or coffee, theophylline or caffeine contained therein may promote abnormal nerve excitation in the body, resulting in an accelerated heartbeat and a heartbeat around 100 beats per minute.
2. Excessive exercise: If the patient has played basketball, running, table tennis and other strenuous exercise, it may lead to abnormal excitement of the sympathetic nerves in the body, so that the contraction rate of the heart muscle is strengthened, resulting in a heartbeat of about 100 beats per minute.
3. Hyperthyroidism heart disease: If the patient suffers from hyperthyroidism heart disease, it may make the level of thyroid hormone in the body rise, so that the metabolism in the body speeds up, thus causing the heart to beat faster, and there is a heartbeat of about 100 beats per minute.
In addition, other diseases can also cause the heartbeat at about 100 times / min, should go to the hospital in time for examination, to exclude physiological factors, under the guidance of the doctor to carry out the appropriate treatment.