A member asked:

What is the difference between arrhythmias and dysrhythmias?

7 doctors weighed in across 2 answers

None: Cardiac dysrhythmia (arrhythmia or irregular heartbeat) is any of a large and heterogeneous group of conditions in which there is abnormal electrical activity in the heart.

Answered 9/5/2020

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They are similar: However, dysthymia carries more negative connotations if one digs deeper..

Answered 2/18/2016

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