I found a site a while ago that has good information about different types of arrythimias. There are a lot of information out there in cyber space but it sure takes a long time to wade through it all. The site is: http://www.heartracing.com/physicians/causes.of.heart.racing.aspd
I've referred a few people to this one. It is my understanding that you can have extra electrical pathways without having WPW.
Yes, I had a type of AVRT called Circus Movement Tachycardia. It was first thought to be WPW, but the determination wasn't nailed down until they went in.
Yes. I had SVT, but no "brand name".
Not AVNRT, not WPW... just SVT from a "concealed pathway."