The causes of reduced heart rate can be categorized into two main groups: physiological and pathological. Common diseases that cause heart rate reduction are hypothyroidism and sick sinus node syndrome. Different causes of decreased heart rate correspond to different treatment programs.
1. Physiological causes: If the heart rate decrease is caused by factors such as late night, insomnia, etc., no drug intervention can be made, and after adjusting the normal rhythm of life, the heart rate will slowly return to normal. Some patients who take metoprolol and other drugs will also have symptoms of reduced heart rate, and the heart rate will return to normal after stopping or replacing the drugs.
2. Hypothyroidism: If the heart rate decrease is caused by hypothyroidism, patients can take oral levothyroxine sodium treatment. After actively treating the primary disease and eliminating the triggers, the heart rate can return to normal.
3. Sick sinus node syndrome: Sick sinus node syndrome and third-degree atrioventricular block can cause the heart rate to decrease, which can be treated by installing a pacemaker.
There are many reasons for the decrease in heart rate, and it is necessary to consult a doctor in time to avoid delaying the condition.