Is 200 bpm heart rate dangerous?
Generally, for adults, a heart rate of more than 100 beats per minute (tachycardia) is considered as high. Your heart rate usually rises when you walk fast, run, or do any strenuous physical activities.
What is a dangerous heart rate for a man?
When to see a doctor You should visit your doctor if your heart rate is consistently above 100 beats per minute or below 60 beats per minute (and youre not an athlete).
What happens if your heart rate is 300?
Supraventricular tachycardia is an abnormally rapid heart rate up to 300 beats per minute in infants and 250 beats per minute or faster in older children. A physician should evaluate any irregular heartbeat. SVT is the result of an electrical malfunction in the heart.