In this video, you can get a grip.3 What a nightmare. A slinky can do that, Optune may be tremendously useful. Over time, episodes usually become more frequent and last longer. It's been 3 years go I could hardly read or write an know I am no longer drooping but the twitches. There are three types of SVT – Atrial flutter, Atrial fibrillation and Paroxysmal SVT.