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Is high pulse rate dangerous

A 46-year-old member asked:
Dr. Christian Assad
Cardiology 15 years experience
Tachycardia: Depends on the reason for an increased heart rate. Increased heart rate can be a normal response to heart rate >100 -> Sinus tachycardia - Other... Read More

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A 47-year-old member asked:
Dr. Dan Fisher
Internal Medicine 28 years experience
If you have symptoms: Maximal predicted hr is 220 - age in years. Many fatigue at mphr. However athletes often capable of exceeding mphr. No absolute limit, but hr>200 ass... Read More
A 36-year-old member asked:
Dr. Sergio Schabelman
Cardiology 49 years experience
Several reasons: Fast heart rate may occur with several situations/ conditions as anemia, fever, hyperthyroidism, low blood pressure, stress, caffeine, smoking, exerci... Read More
A female asked:
Dr. Douglas Mund
Rheumatology 47 years experience
May be very dangerou: There are many reasons for a very rapid heart rate. Some may be quite serious and even life threatening You should see your physician and be evaluated... Read More
A 46-year-old member asked:
Dr. Payam Mehranpour
Internal Medicine - Cardiology 24 years experience
Depends: The maximum predicted heart rate for an individual is roughly 220 minus age. Sustained heart rates above this are not advisable and could be dangerous... Read More
A 49-year-old member asked:
Dr. Bennett Werner
Cardiology 45 years experience
How high? : You need to be evaluated. A 24 hour holter recording will accurately determine how much of the day is spent at increased hr as well as what your heart... Read More
A 44-year-old member asked:
Dr. Mark Stern
Cardiology 47 years experience
No: No, it is a sign of being out of shape.
A 20-year-old female asked:
Dr. David Brouwer
Internal Medicine 31 years experience
Anemia: Hi! if you have iron deficiency, you are probably somewhat anemic. Anemia can certainly cause a fast heart rate with exercise. However, if your fas... Read More
A 36-year-old male asked:
Dr. Oscar Novick
Pediatrics 59 years experience
Tachycardia: Your wifes pulse rate is too rapid. She should schedule an appointment with her pcp and have her thyroid tested as well as having an ekg. Her pcp may ... Read More
A 39-year-old male asked:
Dr. Andrea Rodgers
29 years experience
Have you been seen?: Hi, have you been seen by a doctor for this yet? If not I suggest being seen as soon as possible. There are many causes for rapid heart rate and pal... Read More
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