“My FitBit gave erroneous heart rate results. It showed a heart rate of over 90 for 5+ hours when my heart rate was actually in the 60's. What happened and how can I rely on something that gave false information?”
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My answer depends on how snugly your Fitbit Sense 2 is held to your wrist by the watch's wristband. If your Sense 2 moves easily over your wrist, then you must tighten it up until it does not move easily on your wrist. If your Sense 2 was tightly secured to your wrist when you experienced the erroneous pulse rate readouts, then it is possible your Sense 2 was detecting palpitations in your heart beat, such as atrial fibrillation or atrial flutter. If, during the time your Fitbit appeared to be reporting an erroneous heart beat rate, you were monitoring your pulse rate manually and you felt no additional heart beats beyond your regular sinus rhythm of 60 per minute, then your watch may be faulty and should be brought to Best Buy for fault analysis. If, however, you did detect additional, though faint, beats in addition to your basic sinus rhythm of 60 beats per minute, then you were experiencing heart palpitations that your watch correctly reported; and you should see your family doctor immediately for referral to a consulting cardiologist.
Sorry, there was a problem. Please try again later.Hi, there. We're sorry to hear that your Fitbit Sense 2 is tracking your heart rate differently. Heart-rate tracking can be affected by several factors including air temperature and device location on your wrist. For more information, please visit this: https://support.google.com/fitbit/answer/14237938 For any additional questions and concerns, reach us at: https://goo.gle/contactfitbit
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