A member asked:

What risks are attributed to bradycardia or tachycardia left untreated?

7 doctors weighed in across 2 answers
Dr. Francis Uricchio answered

Specializes in Cardiology

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 Jan 15, 2015

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Dr. Shahin Tavackoli answered

Specializes in Cardiology

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 Jun 21, 2015

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