Medical support for my son Ty Brown

My son is in need to go and see his cardiologist but his insurance is no longer active .He passed out at work on Oct 17, and was driven to South Texas Medical Center where he was told he needed to see his cardiologist a s soon as possible .Without insurance or cash the cardiologist will not see him and we really need to know Wats going on with him any kind of donation will help .Thank u in advance .