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2. What’s the Difference Between a Normal and Dangerous Heart Rate?

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   A resting heart rate greater than 100 bpm in adults should be discussed with a healthcare professional to identify the cause, says Dr. Mehta. Tachycardia is when your heart rate is higher than ...

3. Tachycardia - Wikipedia

   en.wikipedia.org/wiki/Tachycardia

   Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate. [1] In general, a resting heart rate over 100 beats per minute is accepted as tachycardia in adults. [1] Heart rates above the resting rate may be normal (such as with exercise) or abnormal (such as with electrical problems within the heart).

4. Heart rate - Wikipedia

   en.wikipedia.org/wiki/Heart_rate

   Heart rate reserve (HR reserve) is the difference between a person's measured or predicted maximum heart rate and resting heart rate. Some methods of measurement of exercise intensity measure percentage of heart rate reserve.

5. Postural orthostatic tachycardia syndrome - Wikipedia

   en.wikipedia.org/wiki/Postural_orthostatic...

   Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...

6. Your resting heart rate can tell you a lot about your health ...

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   Those are times to seek out help because it may not be a reflection of your resting heart rate, but an abnormal heart rhythm that should get evaluated.” Having a pulse over 100 bpm is called ...

7. Here Are Cardiologist-Approved Ways to Lower Your Resting ...

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   Your resting heart rate is the heart pumping the lowest amount of blood you need because you’re not exercising, says Dr. Steinbaum. “If you’re sitting or lying and you’re calm, relaxed and ...

8. Bruce protocol - Wikipedia

   en.wikipedia.org/wiki/Bruce_protocol

   [citation needed] The heart rate formula most often used for the Bruce is the Karvonen formula (below). A more accurate formula, offered in a study published in the journal, Medicine & Science in Sports & Exercise, is 206.9 - (0.67 x age) which can also be used to more accurately determine VO2 Max, but may produce significantly different results.

9. Arrhythmia - Wikipedia

   en.wikipedia.org/wiki/Arrhythmia

   A resting heart rate that is too fast – above 100 beats per minute in adults – is called tachycardia, and a resting heart rate that is too slow – below 60 beats per minute – is called bradycardia. [2] Some types of arrhythmias have no symptoms. [1] Symptoms, when present, may include palpitations or feeling a pause between heartbeats. [1]