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Doctor insights on: Heart Rate

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Heart Rate (Overview)

Heart rate is a measurement of the number of times a person's heart beats in one minute. Normal heart rates vary with a person's age and with excitement and exercise. Abnormal heart rates are too slow, too fast, and/or irregular (too much variation in the rate).


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I have heart rate hi in bed time and sintoms of heart?

I have heart rate hi in bed time and sintoms of heart?

How High?: The normal heart rate at rest is 60-100 bpm. It goes faster with exertion, anxiety, stress, and medications or foods, like caffeine. Speak with your doctor about the frequency of your atenolol. It may begin wearing off after 12-15 hours of taking it. If so, it can increase your heart rate at night. See a heart doctor (cardiologist) for evaluation. ...Read more

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Dr. Bennett Machanic
46 years in practice
44M people helped
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Heart Rate (Overview)

Heart rate is a measurement of the number of times a person's heart beats in one minute. Normal heart rates vary with a person's age and with excitement and exercise. Abnormal heart rates are too slow, too fast, and/or irregular (too much variation in the rate).


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I just took my heart rate and it was 67. How low is too low?

I just took my heart rate and it was 67. How low is too low?

Depends: What is important is what is called the cardiac output, which is your heart rate x your stroke volume or the amount of blood the heart ejects with each beat. If your heart is efficient, like an athlete's it can eject more with each beat thus requiring a lower heart rate to meet cardiac output. Your cardiac output also depends on your needs, so while sleeping the heart rate maybe in the 40s. ...Read more

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Dr. Bennett Machanic
46 years in practice
44M people helped
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Dealing with Supraventricular Tachycardia (Tip)

Dealing with Supraventricular Tachycardia

Most svt results from an electrical short circuit in the heart. A simple procedure can cure it! ...See more

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Tell me what your heart rate should be?

Tell me what your heart rate should be?

Heart rate: Resting heart rate for a normal adult is 60-80bpm, with exercise we target heart rate to age and phsyical status. ...Read more

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What can I eat to lower my heart rate?

What can I eat to lower my heart rate?

Nothing really: Best way to lower your heart rate is regular exercise & avoidance of stimulants (caffeine & nicotine). ...Read more

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Dr. Bennett Machanic
Board Certified
46 years in practice
44M people helped
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Please explain to me how do you determine maximum heart rate?

Please explain to me how do you determine maximum heart rate?

Age related: Your "maximum predicted heart rate" (mphr) is derived from your age. It is 220 minus your age. Note that this is a simple derived number, and actually has very little to do with actual physiologic limits of your own body. My usual advice regarding "maximal heart rate" is to use mphr as a general guide only. "listening to your body" is a better way of guiding exercise limits. ...Read more

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What causes the heart rate to be slow?

Many : Many causes -- it could be normal too as long as you feel fine. ...Read more

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Was doing some cardio work outs yesterday for the first time in a while and my heart rate went up to 200 beats a min. Is this normal or dangerous?

Was doing some cardio work outs yesterday for the first time in a while and my heart rate went up to 200 beats a min. Is this normal or dangerous?

Neither: Deconditioned peole can have rapid pulses with excercise. Depending on ones age the heart rate max is 220- the age. So for a 20 year old this can be normal. The heart rate with exercise should improve with persisten excercise as vagal tone improves. One should stopnexcercise if dizzy, lightheaded, chest pain or excessive difficulty breathing and see a doctor to be sure. ...Read more

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Dr. Evan Altman
5 doctors shared insights

Cardiac (Definition)

Cardiac is also known as Heart. Cardiac translates literally to "heart, " and any place the term is seen, such ...Read more


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Dr. Bennett Machanic
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