dramatic change in irregular beats

Posted By Jeff on October 22, 1998 at 13:01:28:







I am 27 years old and was diagnosed with MVP three years ago after fainting from an irregular heartbeat. I was placed on 25 mg/day of the beta blocker atenolol, which stopped the fainting, but I still had the occasional irregular heartbeats (about one noticeable episode per day).
Two days ago, I began noticing the irregular beats (manifesting themselves as a short flutter in the chest then a "BOOM" beat) were occurring every 10 minutes on average. Could the atenolol be losing its effectiveness and should I up the dosage to 50 mg? Could the MVP have suddenly gotten worse like it did?
While writing this, I've had two irregular beat episodes. I've read all the literature about these flutters being harmless, but for them to pick up in frequency that dramatically is startling and, by all indications, not common.
Basically, I need some advice as to what I should do.

[mudame]

A related discussion, my heart beat increase when i feel angry was started.