Heart rate is the number of times the heart beats in a minute, and the normal range of heart rate is 60-100 beats/minute. A heart rate of 39 beats/min is a severe form of bradycardia, which is mostly caused by pathologic factors. The dangers of a 39 beats/minute heart rate include panic attacks, shock, and sudden death.
1. Panic: low heart rate affects the pumping function of the heart, leading to a decrease in per-beat output and a serious lack of blood and oxygen supply, at which time the body will have panic, chest tightness, dizziness, fatigue and other uncomfortable symptoms.
2. Shock: low heart rate, the body in severe ischemia and hypoxia, the effective circulating blood volume drops sharply, the tissue perfusion is seriously insufficient to trigger shock, appearing pale, urinate less, cold sweat, etc., a serious life-threatening.
3. Sudden death: some patients with acute myocardial infarction, there will be a heart escape, resulting in a drop in heart rate, dizziness, impaired consciousness and even sudden death.
The heart rate of 39 beats / min life-threatening, need to go to the hospital for timely consultation to avoid delaying the condition.