Hi , recently I've been training for this expedition and I've been carrying alot of weight on my back aproximately 10kg , and one day I woke up and my chest hurt a little bit and my heart felt like it was beating a bit to quick , and when I lie down sometimes it feels like my left side if body Is gurgling and sometimes my fingers and toes go numb I am only 15 and I am realy scared because ive never had any type of problems befor