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What pulse rate is dangerous

A 47-year-old member asked:
Dr. Dan Fisher
Internal Medicine 27 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

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A 67-year-old female asked:
Dr. Kathy Robinson
Family Medicine 32 years experience
Not necessarily: While normal heart rate is 60-100 it is not unusual for people to have a lower heart rate. This can be caused by some medications also. If the patient... Read More
A 36-year-old member asked:
Dr. Sergio Schabelman
Cardiology 48 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 47-year-old male asked:
Dr. Johnnie Strickland Jr
Family Medicine 33 years experience
Its close: Your maximum target heart rate is 220 minus your age; this would put you at 173. If you are a begginer to exercise you should gradually work up to th... Read More
A 41-year-old member asked:
Dr. Joseph Woods
Pathology 28 years experience
It depends on you.: This can be due to a number of reasons. It can be possibly from a heart condition, like arrhythmia, or an electrolyte imbalance like hyperkalemia. D... Read More
A 46-year-old member asked:
Dr. Christian Assad
Cardiology 14 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
A female asked:
Dr. Douglas Mund
Rheumatology 46 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 64-year-old male asked:
Dr. Jerome Zacks
Cardiology 51 years experience
Impossible.: The systolic pressure (top number) can never be lower than the diastolic (lower number). If indeed you meant 100/70, that would be at the lower limit... Read More
A 41-year-old male asked:
Dr. Bennett Werner
Cardiology 44 years experience
Depends: Normal depends on age and activity. At rest, 50-100. With peak exertion, the normal peak heart rate will be in the vicinity of (220 - age in years). ... Read More
A 40-year-old member asked:
Dr. John Bucek
Family Medicine 28 years experience
70-80: For adult females who do not exercise regularly 70-80 is common. For adult females who exercise a bit lower is common.

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