Should PTSD still be an issue for either you or other members of your family you might want to look into Dr. Eugene Lipov's Stellate Ganglion Block (SGB) treatment.Susceptibility to PTSD runs in my family
Here is a link to a Wired article on the subject:
http://www.wired.com/dangerroom/2011/12 ... njections/
As usual a lot of the comments are not rational but there are some decent ones. Mine us under Netmaker and relates my personal experience as I have undergone the procedure.
My sympathies for you, your family and especially your cousin.