A teenage girl knocks on the clinic door and, after a moment, enters while looking around nervously. She doesn't look all that injured or ill, actually, except that she's holding a hand to her head and looking a bit bedraggled. (Also, she's got pink hair, but that's not really a symptom.)
"Um, hello? Some people from
dear_multiverse told me to come here ... I think I've been in a car accident, or something. My head hurts a lot and I can't remember anything, and I don't know how I got here. Can - is there a doctor here who can help me?"