Start with your employer’s policy and use approved systems for clinical...

https://direct-wiki.win/index.php/Why_do_group_chats_make_it_hard_to_tell_what%E2%80%99s_urgent%3F

Start with your employer’s policy and use approved systems for clinical messages. Hide lock-screen previews to protect patient details. Set clear on-call notification rules, and check the account and recipient before you share anything.