The normal rate for the number of heart beats per minute for the average person is from 60 to 100 beats per minute, and the ideal is from 70 to 80 and for patients suffering from insufficiency of the coronary arteries supplying the heart or cardiomyopathy, the rate should be from 60 to 70 and not more than 75 beats per minute, and heart bradycardia is defined as a decrease in the heart rate below 60 beats per minute. There are many and varied reasons for slowing down, the most important of which is the use of medicines to treat high blood pressure, cardiomyopathy, and cardiac arrhythmias, whose side effects are a decrease in the heart rate and other causes Also laziness in the work of the thyroid gland, a decrease in the body temperature, a failure in the work of the sinus node in the right atrium of the heart, an increase in the rate of brain pressure due to clots in the brain or bleeding, as well as a blockage in the bile ducts and an increase in the level of some minerals such as potassium in case of kidney failure And also other causes, among the symptoms of slowing down, dizziness, headache, fatigue and weakness in the body with general weakness, shortness of breath and chest pain, and it may lead to frequent fainting and cardiac arrest in the case of severe slowing and accompanied by a fall in AD Adjust blood pressure, and a full evaluation of the patient must be done with comprehensive and necessary blood analyzes and cardiac echocardiography, with the installation of a Holter device for a period of 24 to 48 hours to monitor the heart rate and rhythm, and in most cases the slowdown is normal for the average person and the athlete and does not require treatment and implantation of a pacemaker. In the absence of symptoms, with the exclusion of any organic cause, after the necessary analyzes and radiations are safe.

Consultant of cardiovascular diseases at King Fahd Hospital, Governorate