It's the worst thing I've ever felt. My hands and fingers will twist and lock up and pull into my chest. My feet will turn inward and then my legs start to do it. Then everything starts going numb, but not to the point where I can't feel the pain in my hands and arms. My heart feels like it's going a thousand miles per hour and about to jump out of my chest, I feel like I'm suffocating. My son told me I lost consciousness 3 or 4 times during the long one.