What causes a heart rate of 90–110 beats per minute with slight movement, and what should be done?

The normal resting heart rate for adults is 60–100 beats per minute. A heart rate of 90–110 beats per minute is considered tachycardia (rapid heart rate). In general, tachycardia may be associated with emotional excitement, environmental factors, anemia, hypoglycemia, hyperthyroidism, and other causes, requiring symptomatic treatment. Specific analyses are as follows:

1. Emotional Excitement

Heart rate may increase during emotional excitement. It is recommended that patients maintain a positive mental state and avoid excessive emotional fluctuations to prevent adverse effects on health.

2. Environmental Factors

In hot weather or high ambient temperatures, blood vessels dilate and blood flow accelerates, leading to an increased heart rate. Patients are advised to avoid strenuous exercise in hot conditions, adjust the surrounding temperature promptly, and prevent physical discomfort.

3. Anemia

Anemia can cause tachycardia, particularly evident after physical activity. Patients should pay attention to dietary adjustments, consume more iron-rich foods and fruits, and maintain overall health.

4. Hypoglycemia

Hypoglycemia may lead to palpitations and increased heart rate. Patients are advised to take sugar-containing beverages or eat candies, biscuits, bread, steamed buns, etc., to relieve symptoms promptly.

5. Hyperthyroidism

Tachycardia may be an early warning sign of hyperthyroidism, and active management of the condition is necessary. Patients with hyperthyroidism are usually advised to take antithyroid medications as prescribed by their doctor, such as methylthiouracil tablets or propylthiouracil tablets.

Patients experiencing discomfort should seek medical attention promptly and receive standardized treatment under a physician's guidance to promote recovery.