Kat broke a Patient's confidence by releasing sensitive information from a session in response to Strickland's query. With regards to Doctor-Patient confidentiality, a doctor may disclose if there is reason to believe a crime will be committed in the future, or an issue of public safety. If it is an "event" that has already transpired, it is usually not disclosed. Given that the Ark, is a confined space with limited resources, "public safety", might be the overriding issue.