Good doctors take an interest in unusual cases--it's an opportunity to learn. FWIW I've not encountered anyone with a lightning-caused condition, but the article arouses my curiosity, I am kind of a geek about the questions brought out by such phenomena.
BTW for anyone interested in lightning rather than physiological effects of it, this site may be worthwhile: http://www.blitzortung.org/Webpages/index.php?lang=en
As I read the brief descriptions of people had been sruck by lightning, I surmised some suffered PTSD-like symptoms, as was mentioned near the end of the article. Among the many patients I've seen diagnosed with autoimmune disorders, similar hard-to-characterize symptoms are often present. Perhaps lightning-induced damage to tissues sets off a cascade of immune system responses leading to symptoms, but I really have no idea what connections exist among these phenomena.
Just a few of the things I look forward to learning about.
Eric Dollard discussing lightning, he also goes into the skin effect afterwards, which is also relevant to this article. Interesting stuff... this guy.