Heart Rate: Time Above Maximum
To measure how long my heart rate was above the maximum, I went through several steps using 180 bpm as the maximum heart rate.
- Create a new dataframe for readings above 180 bpm
- Assign the original index column as a new column
- Reset the index to avoid a copy warning
- Create groups of heart rate readings whenever there are consecutive readings above 180 bpm
- Sum the time between the start and end time for each group
This method sums up the time between the minimum and maximum timestamp for each group. If there is only one timestamp for a group, there is no sum for that group.
# new df where heart rate is greater than max hrdf2 = df.loc > 180]# make new column from the original df indexdf2 = df2.assign# reset index to avoid copy warningdf2 = df2.reset_index# group consecutive time stamps together, start by measuring the difference between each indexdf2 = )# loop through df. If change increment is not 1, start a new groupresult = for value in df2: if value != 1.0:
result = result-result
Sum up the difference column.
Only 1 minute 20 seconds above 180 bpm another reason not to worry.
How To Customize Your High And Low Rate Thresholds For Fitbit Heart Rate Notifications
You can also change the thresholds Fitbit determined for you. Its easy!
If you decide youd rather use the default thresholds determined by your Fitbit heart data, toggle the custom thresholds off.
High Or Low Heart Rate Notifications Not Working
If you are not getting notifications for high or low heart rates, try the following tips.
- Check that your Fitbit measures your heart rate by swiping up on your clock face and then scrolling to the Advanced Stats section to see your current heart rate.
- Tap on it and scroll down to see more details like your heart-rate range, resting heart rate, and heart rate zones.
- If you dont see any heart rate information, see this article: Fitbit heart rate not working or inaccurate? Lets fix it.
Remember that you only see these notifications when youre not active for at least 10 minutes. If you confirm that, then follow these steps.
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Replace If Within Warranty
If every step above fails to fix the issue with the heart rate monitor of the Fitbit, then your device might be broken.
If your device is still within the warranty period, you can get it replaced with a new one.
Fitbit offers a formal warranty of one year from the date of purchase on its products.
If its outside the warranty period, unfortunately, theres nothing much you can do except buy a new one.
Sometimes Fitbit offers customers a discount on the new Fitbit if their current Fitbit breaks down and its outside the warranty period.
How To View Your Heart Rate On A Fitbit
Heart rate graphs in Fitbit app
Below we’ll get into the intricacies of the heart rate monitor, but it’s worth pointing out how you can actually view your heart rate data, too.
Depending on the device itself, you should be able to see your current BPM on the home screen or by swiping. For detailed info from your exercise or on resting heart rate, you’ll need to head to the Fitbit app’s dashboard and tap through to the Heart Rate section and select the day you want to view. The same also applies to the Fitbit web app.
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What Happens When I Receive A Heart
When your Fitbit device detects your heart rate goes above or below your personal heart rate threshold while youre inactive, you receive a notification on your device. Tap Open, and then tap the notification in the Fitbit app to learn more about your data and complete a survey where you log any potential factors, medications, and symptoms. You can use the information you log in the survey to track your heart health trends and share it with your healthcare provider.
What Factors Can Affect Resting Heart Rate
Several factors can affect resting heart rate: stress, alcohol or caffeine intake, or fever usually raise resting heart rate, while regular exercise or meditation can lower it. Air temperature and certain medications can also affect resting heart rate.
Heart-rate zones, which are percentages of your maximum heart rate, can help you determine the intensity of your workout or activity.
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Know Your Heart Rate Zones
Youve probably noticed that after logging a workout, your Fitbit app shows you a colorful graph depicting how much time you spent in three heart rate zones. Knowing a little bit about how these zones were created can help you make the most of them.
Target heart rate zones are calculated using maximum heart ratethe highest number of times your heart can safely beat in one minute. To keep things simple, Fitbit uses the common formula of 220 minus your age to estimate your maximum heart rate. So a 35-year-old would have a max heart rate of 185 .
If your birthday is entered into your Fitbit account profile, then the app will default to this formula to calculate your max heart rate. However if you already know your max heart rate or want to target a specific number, you can click Account on your Fitbit app dashboard, choose HR Zones, and then turn on Custom Max Heart Rate, and fill in a custom max heart rate there.
Once Fitbit knows your max heart rate, it will create three simplified zones for you. Each one represents an intensity levelor percentage of your max heart ratethat taps into a different energy system in the body, producing specific results. Heres a breakdown:
PeakIntensity: Vigorous Benefit: Increases performance speed
Intensity: Hard Benefit: Builds cardiovascular fitness and muscle strength
Fat BurnIntensity: Moderate Benefit: Builds aerobic endurance and teaches the body to burn fat as fuel
Fitbit Versa Heart Rate Monitor Not Working: How To Fix
As a Fitbit user, there have been times when the green light of the heart rate monitor on my Fitbit versa just stopped working for no apparent reason at all.
Being an obsessive person, and having gone through this issue with my Fitbit I found out every possible reason why this happens.
In this guide, Ill walk you through all the troubleshooting options in the order of their priority.
If your Fitbit versa is not monitoring heart rate, the heart rate monitor/tracking on your fitbit might be turned off. On your Fitbit go to settings and tap the heart rate to turn the heart rate monitor on. Also clean the back of your fitbit to improve contact with the skin.
Although this is the most common reason, if you have tried this fix and it didnt work, there are other fixes you can try.
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How To Wear A Fitbit For Better Accuracy
Naturally, as with any wrist-based monitor, you’ll also need to make sure the back of the watch is touching the skin at all times, while also ensuring it isn’t strapped too tightly onto your wrist.
If you sense your Fitbit device isn’t quite tracking your heart rate correctly, there are a couple of things to keep in mind.
Firstly, a good tight fit is extremely important as light leaking in from the sides of your watch will disrupt the signal.
When you’re not exercising, wear your device a finger’s width below your wrist bone.
And when you are exercising, consider wearing the device slightly higher on your wrist for more accurate readings, since some exercises will cause your wrist to move frequently.
Fitbit Charge 5 Battery Life
Impressions on the Fitbit Charge 5s battery life largely depend on the point of reference used. PCMags Angela Moscaritolo seems largely happy with it, and says In testing, it lasted three full days with the always-on display enabled during the day.
Gizmodos review suggests youll see slightly worse results, even though you can enable a setting where the AOD turns off while youre sleeping, youll still only get about two days worth of battery.
The Fitbit Charge 5 is rated for a weeks use, but theres an understandable focus on the new always on display mode in many of the reviews. This keeps the screen lit when not in active use, which makes the tracker a better watch while more than halving battery life.
Final verdicts on the Fitbit Charge 5 vary wildly, and they largely rest on whether it is viewed as a fitness tracking device for enthusiasts or a mainstream bubbly wearable for those who wont actually focus on the stats too much.
Part of the hardcore crowd? DC Rainmakers conclusion says the Fitbit Charge 5 is not for you. However, it won a PCMag Editors Choice award and Cnet calls it no-brainer buy if you want the best of Fitbit’s health and tracking features in an inconspicuous, band-like design.
The Fitbit Charge 5 is available to buy now for $179.95.
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If Your Fitbit Is Wet Dry It
Although the Fitbit versa is waterproof for swimming up to 50 meters, moisture on the device can affect the heart rate tracker.
In this case, you need to take off the device and let it dry for a bit.
Do not under any condition expose the Fitbit to any liquid other than freshwater, including saltwater, shampoo, or soap.
Hard Reset/factory Reset Your Fitbit
Resetting your Fitbit back to factory state should be one of the last resorts if everything else fails.
The problem with factory reset is that it wipes all your stored data such as alarms, notifications, and goals you set.
However, any data thats already synced to your Fitbit app will be available after you set up the device again.
To do a hard reset on your Fitbit versa, do this:
- On your fitbit, get to the clock face screen.
- Swipe leftwards multiple times until you see settings.
- go to settings.
- Tap on About and then hit factory reset
So thats how you do a hard reset on your Fitbit versa via the screen.
Now, sometimes you cannot even get to your settings screen due to some error.
If thats the case, you can reset in the following way:
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Your Target Heart Rate Is What Matters
One way you can compensate for a slower heart rate is to get and stay fit. The Centers for Disease Control and Prevention recommend that adults get 150 minutes of moderate-intensity cardio a week or 75 minutes of vigorous-intensity aerobic activity a week.
When you go into serious training, you stretch the cardiac muscles, says Benson. Thats how you improve stroke volume. And, according to the American Heart Association, when your stroke volume is highermeaning your body can pump more blood with each heartbeatthe heart doesnt have to beat as many times to deliver the same amount of blood to your muscles.
So how can you try to exercise at the right intensity? If you own a Fitbit Alta HR, Charge 2, Blaze, or Surge and have your birthday logged in your profile, your tracker can help. Heres how it works: Using the common formula of 220 minus your age, Fitbit will calculate your maximum heart rate and then create three target heart rate zonesfat burn , cardio , and peak based off that number. After exercising, you can click on the workout summary within your exercise tile to see how many minutes you logged in each zone.
These zones explain why my son and I can run togetherat different heart ratesand feel like were expending the same amount of effort.
For instance, at age 15, my sons max heart rate is 205 and his cardio heart rate zone is 144 to 172
The Data Might Lead To Better Ways To Track Our Health Over Time
Depending on the heart rate your doctor measures during your annual checkup, you might get a stamp of approval or a raised eyebrow and questions about your overall health.
But a new study confirms that a normal resting heart rate isn’t the same for everyone. Data from over 92,000 FitBit-wearers were analyzed in a new PLOS ONE paper, showing that average resting heart rates ranged between 40 and 109 beats per minute . Though not all of those rates are necessarily healthy, the study did find that each individuals heart rate stayed fairly consistent over time.
The data could help users monitor their heart rate for any inconsistencies. If its possible to track someones heart rate continuously, then slight fluctuations in their individual pattern would reveal more about their well-being, said paper co-author Giorgio Quer, an artificial intelligence researcher at The Scripps Research Institute, in an email.
Instead of focusing on a single measurement done in the clinic, it is now possible to have a longitudinal view of the changes in resting heart rate,” Quer said. “As we learn more, provide information not only for cardiovascular health but also for pulmonary status, early infectious disease detection, reproductive health, and likely much more.”
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Fitbit Accuracy: Our Testing
Like with any optical heart rate solution, Fitbit’s PurePulse technology is solid, but not without its issues.
We have extensively tested all of the latest Fitbit devices, and validated the sensor against control devices, heart rate straps and manual spot readings taken by physicians.
In our testing, resting and walking heart rates were measured with a high degree of accuracy.
Likewise, steady workouts were also well-tracked. We would also say that anyone relying on the data for training purposes, such as running in zones, should use a chest strap sensor. But we have found Fitbit data to be largely accurate against such sensors.
When fluctuating between high heart rate and low heart rate during interval training can often prove to be problematic for an optical heart rate monitor to keep up with. However, this is a problem shared by all optical sensors.
Fitbit Charge 5 Review Round
Fitbit Charge 5
The Charge 5 is Fitbits most advanced fitness tracker to date. It brings some of the advanced sensor tech introduced in the Fitbit Sense to a more affordable wearable.
This includes an EDA stress sensor and ECG heart monitoring, although the latter is not switched on at launch.
A few of the Fitbit Charge 5s features arent available yet, actually. Daily Readiness is the other key one. This will take a look at your recent sleep, exercise and heart rate variability and offer tips on whether your body is ready for a big workout, of if you should go easy.
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American Heart Association News covers heart disease, stroke and related health issues. Not all views expressed in American Heart Association News stories reflect the official position of the American Heart Association. Statements, conclusions, accuracy and reliability of studies published in American Heart Association scientific journals or presented at American Heart Association scientific meetings are solely those of the study authors and do not necessarily reflect the American Heart Associations official guidance, policies or positions.
Copyright is owned or held by the American Heart Association, Inc., and all rights are reserved. Permission is granted, at no cost and without need for further request, for individuals, media outlets, and non-commercial education and awareness efforts to link to, quote, excerpt or reprint from these stories in any medium as long as no text is altered and proper attribution is made to American Heart Association News.
Get In The Zone: How To Burn Fat Fast With Target Heart Rate Training
If youve ever been curious about heart rate zones, nows the time to give target heart rate training a shot. Fitbit trackers with PurePulse automatically set your heart rate zones for you, making getting started a snap. Heres how to use this function to help improve results, prevent overtraining, and even avoid injury.
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