The iSoBAR Handover Tool Many of the barriers to good communication can be overcome by using a structured communication tool such as iSoBar. iSobar has been developed for the transmission of critical information between healthcare professionals. The components are: I - Identification: Who you are, what your role is and which patient you are talking about. S - Situation: What has happened? O - Observation: What do you think is the problem? B - Background History: What is the patient’s clinical background? A - Agree to a plan (Action): Outline a plan for assessment and treatment. R - Responsibility and Risk Management: Confirm and clarify what should be done and by whom.