Tokyo MER stands for Tokyo Mobile Emergency Room. The members are emergency care professionals and they have to go to sites of dangerous accidents and disasters by a large vehicle equipped w... Read allTokyo MER stands for Tokyo Mobile Emergency Room. The members are emergency care professionals and they have to go to sites of dangerous accidents and disasters by a large vehicle equipped with medical devices and a surgery area.Tokyo MER stands for Tokyo Mobile Emergency Room. The members are emergency care professionals and they have to go to sites of dangerous accidents and disasters by a large vehicle equipped with medical devices and a surgery area.