What causes an increase in heart rate when exercising at high intensity? My heart rate went from 180 to 220.

Normal response. But that is too high for you -- your maximum should be no more than 180 and keep it there for about 30 minutes for a proper cardio or aerobic exercise -- and do it regularly 3 times a week -- as you get fitter, your heart rate will lower and it will take longer and higher intensity to get to your maximum heart rate -- don't overstress your heart in a hurry -- it's not a goal but a lifestyle.

Related Questions

Since I was a child, I have a high heart rate (around 100bpm) at rest. This can cause me future problems? During workout I reach 180bpm.

High. U should be cn by a cardiologist 2 find the underlying cause. Don't ignore this it is serious & u need 2 be evaluated & find out the reason. U r young with many years ahead of u. Read more...

What happens to cardiac output and after load when when heart rate is low? Does it increase because high heart rate causes decrease in CO

Varies. BUT in a young healthy person, generally the heart rate is low because the heart is efficiently pumping and the cardiac output is good. Generally, (in normals), increasing the heart rate increases pumping and cardiac output. Read more...

Can stress, anxiety, and elevated heart rate from emotional confrontations cause hems to develop and or rupture? Also, does elev. Hrt rate increase bp?

Hemorrhoids. Are more often related to severe and chronic constipation, straining at stool, obesity, pregnancy, anal intercourse, and low-fiber diet. Heart rate and blood pressure can increase during times of stress and anxiety. But elevated heart rate is not the cause of increased bp. Psychologists and psychiatrists can help you with stress and anxiety. Read more...