supraventricular tachycardia
"I am a 70 yr old RN. I started having episodes of near-fainting around 16 yr.old (actually fainted twice). I would go to the nurse & ask to lay down-which helped, but she thought I was faking. Next episode, 25 yr old - saw cardiologist, negative EKG, no treatment. Next 2 episodes, 30 yr old, more severe, ER - negative tests. Next 5 episodes, 40-50 yr old increasing severity, ER. During the last ER visit, I heard about a new type of Doc, an electrocardiophysiologist. I wore a monitor for 6 weeks before it finally "caught" the SVT. I started on Toprol 50 mg per day. But then, I had an episode of severe low BP (80/40) - back to the ER. My new Doc said to split dose, take 25 mg AM & PM. No episodes past 20 years. I'm a happy camper !"