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2. 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).

3. Sinus tachycardia - Wikipedia

   en.wikipedia.org/wiki/Sinus_tachycardia

   Sinus tachycardia is a sinus rhythm of the heart, with an increased rate of electrical discharge from the sinoatrial node, resulting in a tachycardia, a heart rate that is higher than the upper limit of normal (90-100 beats per minute for adult humans). [1] The normal resting heart rate is 60–90 bpm in an average adult. [2]

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

   www.aol.com/difference-between-normal-dangerous...

   High heart rates with associated symptoms such as chest tightness, palpitations or heart pounding/racing, fainting, dizziness, lightheadedness, shortness of breath, or fatigue, it may suggest an ...

5. Heart rate - Wikipedia

   en.wikipedia.org/wiki/Heart_rate

   Tachycardia is a high heart rate, defined as above 100 bpm at rest. [4] Bradycardia is a low heart rate, defined as below 60 bpm at rest. When a human sleeps, a heartbeat with rates around 40–50 bpm is common and considered normal. When the heart is not beating in a regular pattern, this is referred to as an arrhythmia.

6. What do I do if my resting heart rate is too high or low? - AOL

   www.aol.com/finance/resting-heart-rate-tell-lot...

   Smartwatches and other fitness trackers are great for people seeking detailed, long-term data about their resting heart rate, but high-tech gadgets are hardly necessary, Ebinger says. All you need ...

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

   www.aol.com/lifestyle/cardiologist-approved-ways...

   [table-of-contents] stripped. Whether brought on by stress, physical activity, or an extra cup of joe in the morning, most of us have all felt our heart rate quicken at one time or another.However ...