A 28-year-old member asked:
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what risks are attributed to bradycardia or tachycardia left untreated?

2 doctor answers
Dr. Francis Uricchio
37 years experience Cardiology
Depends: The risk of bradycardia is typically dizziness or passing out. On occasion, bradycardia can chest pain or heart failure. Tachycardia can chest pain, shortness of breath, dizziness, lightheadedness, stroke and passing out. Certain types of tachycardia are dangerous and can cause sudden death.
Answered on Jan 15, 2015
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Dr. Shahin Tavackoli
22 years experience Cardiology
Depends: Asymptomatic bradycardia is not associated with any risk usually, typically athletes have profound bradycardias and it is a sign of their fitness. Tachycardias when left untreated for an extended period of time (dependent on the rate and the age of the person) however can lead to a weak heart. This condition is usually reversible and is called tachycardia-induced cardiomyopathy.
Answered on Jun 21, 2015

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Heart Rate: Tachycardia is a heart rate greater than 100 beats per minute. Bradycardia is a heart rate less than 60 beats per minute.
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