Heart rate of 40 beats/minute is not life-threatening according to the individual judgment, healthy people daytime heart rate of 50 beats/minute or more, nighttime heart rate of 40 beats/minute, no uncomfortable symptoms, generally temporary non-life-threatening; if the daytime frequent heart rate of 40 beats/minute, accompanied by dizziness, black haze, fainting, and other symptoms, the heart rate declines, there is a danger, and need to be dealt with in time.
1. Temporarily non-life-threatening: If the heart rate is 40 beats/minute during sleep at night, and the heart rate is above 50 beats/minute during daytime activities, and the heart rate is not dangerous, but often belongs to a relatively normal state, if the heart rate is not dangerous during sleep at night and the heart rate is above 50 beats/minute during daytime activities, and the heart rate is not dangerous, but often belongs to a relatively normal state.
2. Life-threatening: If the heart rate is 40 beats/minute more frequently during the day, and at the same time, the patient has dizziness, black haze, panic, fatigue and other clinical symptoms of insufficient blood supply to the organs, or the heart rate decreases progressively, and fainting occurs in the severe cases, the situation may be considered as a third degree atrioventricular block, pathological sinus node syndrome, shock and other diseases, which is dangerous and needs to be dealt with in time.
If the patient’s heart rate is 40 beats/minute with obvious discomfort symptoms, it is recommended to go to the hospital in time to further investigate the cause and actively treat it, so as not to aggravate the condition and jeopardize the life.