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

https://high-wiki.win/index.php/What_Does_a_Solid_End-of-Shift_Phone_Checklist_Look_Like_for_Clinicians%3F

Follow your employer’s policy and use approved systems for patient information. Hide message previews on your lock screen, agree on-call notification rules, and check the account you’re using before sharing.