Follow your employer’s policy and use approved systems for patient information....

https://wiki-cable.win/index.php/How_Do_I_Test_My_Notification_Settings_Before_an_On-Call_Shift%3F

Follow your employer’s policy and use approved systems for patient information. Hide lock-screen previews, agree on on-call notification rules, and check the recipient’s account before sharing. Keep personal chats and work messages separate.