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Doctor insights on: How Do You Calculate Your Heart Rate

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Heart Rate (Definition)

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 ...Read more


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How do you calculate? Cardiac output?

How do you calculate? Cardiac output?

Several: Can use 2d echo, mra of heart, and right heart cath. Cardiac output is the measure of how many liters per minute the blood is being circulated in the body. ...Read more

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What will happen if you exceed your maximum heart rate when exercising?

What will happen if you exceed your maximum heart rate when exercising?

Calculation: Mhr = 220-age. Remember it's a calculation and not exact number. If no symptoms associated you should be ok. However, why you want to reach your mhr? Know the training zones and exercise accordingly. Ex: 60-70% training zone for basic endurance and fat burning; caloric burning depend on exercise time. ...Read more

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Could you explain how to calculate target heart rate?

Could you explain how to calculate target heart rate?

On stress test : Target heart rate is defined as 86% of maximal predicted heart rate. Mphr = 220-age in years. ...Read more

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How can you tell when your heart rate increases abnormally?

How can you tell when your heart rate increases abnormally?

ECG stress testing: This is evaluated using routine ECG stress testing to see if heart rate response to exercise is adequate, blunted or accelerated. ...Read more

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How high does your heart rate need to be before you get a heart attack?

How high does your heart rate need to be before you get a heart attack?

Not related: A heart attack can occur at any heart rate if there is a blood clot in the artery or a blockage. If there is a severe narrowing than a higher heart rate will increase the risk of a heart attack as the demand of a higher heart rate would out strip the supply. ...Read more

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What to do if i want to know what happens when you exercise over your target heart rate zone?

What to do if i want to know what happens when you exercise over your target heart rate zone?

Nothing: When people ask me about what their target hr should be when working out, i tell them that the workout intensity is more important than heart rate. So if you feel like you are overdoing it, are exhausted and feeling sick after your workout, and your hr was less than target, it was too much. Decrease intensity. If hr is higher than target, and you feel ok afterwards, that's ok, no problem. ...Read more

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How do you get the same cardio benefits when on beta blockers if you cant get your heart rate yp to aerobic zones?

How do you get the same cardio benefits when on beta blockers if you cant get your heart rate yp to aerobic zones?

↑ed rate is only a : a sign of ?ed adrenaline/noradrenaline vs. acetycholine from brain. ?es heart rate, but not required to achieve benefit of aerobic exercise. Beta blockers+adrenaline/noradrenaline analogues which do not stimulate the beta receptors for these neurohormones yet interfere with their reaching beta the receptors (thus called blockers). Too much adrenaline/noradrenaline damages/kills heart muscle cells. ...Read more

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How do doctors determine your heart rate? What does it indicate about your health?

How do doctors determine your heart rate? What does it indicate about your health?

Heart rate: We feel the pulse and count how many pulses a minute. That is equivalent to the heart rate. Too fast something's wrong, too slow something might be wrong. ...Read more

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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 do you suggest if my heart rate dropped to 40 beats per minute the other day. how low can your heart beat drop?

What do you suggest if my heart rate dropped to 40 beats per minute the other day. how low can your heart beat drop?

Much slower: Your heart rate can pause for up to 5 seconds (that's a heart rate of 12) and, depending on what you're doing, you may not notice it. Depending on your activity and position, or if it's happening regularly, you'll pass out (or nearly pass out). ...Read more

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How much could your heart rate accelerate if you smoke weed?

Marijuana : May increase catecholamines and cardiac workload increasing your heart rate. Studies showed that it won't affect the heart of young healthier users. In older persons it may placed them in higher risk if history of coronary artery disease present. 2013 analysis in american heart journal showed no significant increase in mortality between thc users in heart attack survivors. ...Read more

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Can you explain if it's unhealthy to raise your heart rate to 180 beats per minute?

Can you explain if it's unhealthy to raise your heart rate to 180 beats per minute?

Heart rate: For some people heart rates of 180bpm during exercise or stress are not problematic. For most people pushing the rate to 180 isn't necessary in conditioning or other activities. For people with sick hearts, rates of 180bpm can be very unhealthy. ...Read more

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What do you do if heart rate increases on xopenex (levalbuterol)?

What do you do if heart rate increases on xopenex (levalbuterol)?

Report to your doc.: Hr increase is an expected side effect of xopenex (levalbuterol). It should not prevent you from taking the medication as prescribed. Note the rate and rhythm of your heart and report that info to your doc so they can see if further eval is necessary. ...Read more

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Can you tell me how long it should take to decrease resting heart rate from regular exercise?

Can you tell me how long it should take to decrease resting heart rate from regular exercise?

Depends: It depends on how vigorously and how long you're exercising. Even under the best of circumstances, you won't see a change for a few weeks. ...Read more