DO get it checked Deus.
My wife has "Someting"

wrong wiith her. Her heart rate sometimes goes from average of 75-80 to 190-210 and she may be doing nothing more than sitting watching TV.
Had all kinds of checks, even had it happen several times while in club meeting where Dr. is part of the group. He's frustrated 'cause he has no clue and neither do Cardiologists at Big hospital where she's been checked several times.
Medication helps control the arrhythmia--but it's very scary when episode happensfirst signs started in her late 20s--early 30s and they slowly progressed from not too bad to where they are now.