What causes shivering post a bike crash?
Patient: im not pregnant how ever earlya today i was riding my motorbike in a old chalk quarry it is now abandond and has been for over 10-15 yrs  and it now looks like a lake were one of the stepdowns has filled with water i crashed my bike into it earlya today and woundered if you could help me understand wat i am feeling, wen i chrashed into it it was so cold that i oculd not get my breath even tho i was above water its like my lungs had frozen(posssibly shock of the cold like jumping into a ice pond like the sas do on training)  i then had to go in and out about another 5 times to drag the bike out  but im now having trouble breating its like my lungs are giving up but i dnt believe it to be this bad i got a pain in my throat i cant swallow andmy lungs kill every time i breathe in   i got water dripping out of my nose and keep going to be sick but the sickness is not from my stomach it is from my lungs and as far as i can remember i did not swallow any water can you shed some light onto why i am so cold and finding it hard to breathe (yes i am aware there was a risk of hyperthermia but once again i do not believe i have this either as i have been able to warm up abit but i am still shivvering) this happened at 5 pm british gmt  it is now 11:27 pm british gmt Doctor: Hello,Welcome to HCM.First of all thank you for sharing your concern with us .Breathing problem and shivering after an accident in cold weather can be due to following causes:1. cold 2. lung injury I would recommend to get a chest X ray done to rule out any possible injury in chest and discuss further with your Healthcare providers. If clinical examination and chest X ray is fine then such symptoms are due to cold and musculo-skeletal  injury which will resolve on it's own but first rule out any possible chest trauma as mentioned earlier .Best Regards,Dr.S.Tomar