Hi, I m a 18 year old female and lately i have been having trouble breathing , it feels like a rock is on my chest and deep breaths are hard to do, I have been feeling very weak, and my vision is blurry and tunnel like when I m walking or moving around, from my elbows down to my hands they go numb and tingling , i have really bad concentration. my feet have been sweating an excess amount then usual also, and i also don t urinate very much but when i do it is urgent