If the lowest heart rate of 43 beats/minute occurs occasionally, it can return to normal on its own, and there is no obvious discomfort, no treatment is needed. If the heart rate continues to be around 43 beats / min, and combined with dizziness, blackout and syncope and other symptoms need timely treatment.
Normal human heart rate between 60 to 100 times /, some elderly people, athletes and the human body resting state when the heart rate may be slowed down, less than 60 times / minute, such as not combined with dizziness, black haze, fainting and other symptoms of discomfort are generally normal phenomenon, there is no need for treatment.
For patients with sick sinus node syndrome and III degree AV block, the heart rate may be lowered, and even symptoms such as dizziness, blackout and syncope may occur, which may even lead to sudden death. Electrocardiogram, dynamic electrocardiogram, cardiac ultrasound, cardiac nuclear magnetic examination can be perfected to clarify the cause of the disease, and according to the condition, atropine or cardiac pacing therapy can be given in time to prevent adverse consequences.
Therefore, when the heart rate is 43 beats/minute, it is recommended to consult a doctor in time to avoid delaying the condition.