____________________ ____________________ ____________________ is an episode that begins and ends abruptly,during which there are very rapid and regular heartbeats that originate in the atrium.

Question

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The Answer of ____________________ ____________________ ____________________ is an episode that begins and ends abruptly,during which there are very rapid and regular heartbeats that originate in the atrium.

____________________ ____________________ ____________________ Is an Episode That Begins and Ends

Is an Episode That Begins and Ends