Clinical Handover Made Simple: The IMIST-AMBO Format
Clinical handover is one of the most important skills you will use on every single shift, and one of the least practised at university. A great assessment and great treatment can be undone by a rushed, disorganised handover where key information gets lost. Whether you are a paramedic student handing over at the emergency department or a nursing student handing over at change of shift, a structured format makes you clearer, faster and safer.
Why handover goes wrong
Handover happens at a point of high risk. The receiving team is busy, the environment is noisy, and information is passed verbally, often while the patient is being moved. Without a structure, people tend to tell the story in the order it happened rather than the order that matters, important details get buried, and the receiving clinician starts asking questions before you have finished. Communication failures at transitions of care are a well recognised contributor to patient harm, which is why Australian health services use structured handover tools.
A good handover is not a story. It is the right information, in a predictable order, so nobody has to dig for it.
The IMIST-AMBO format
IMIST-AMBO was developed and trialled by Australian researchers for handover from ambulance to emergency department staff, and it is widely used by Australian ambulance services. The first half covers what the receiving team needs straight away. The second half covers the background they need once the patient is settled.
I, Identification: the patient's name, age and sex.
M, Mechanism or medical complaint: what happened, or why the patient called for help.
I, Injuries or information: injuries found, or relevant findings related to the complaint.
S, Signs: vital signs and conscious state, including any trends.
T, Treatment and trends: what you have done and how the patient has responded.
Then pause, so the team can act on the urgent information, before continuing with:
A, Allergies.
M, Medications.
B, Background history: relevant past medical history.
O, Other information: social situation, scene findings, advance care directives, family contact details and anything else the team should know.
Many hospitals use a similar tool called ISBAR, which stands for identify, situation, background, assessment and recommendation. The letters differ, but the principle is the same: a predictable order, with the most important information first.
An example
Here is how a short IMIST-AMBO handover might sound:
"This is Margaret, she's 78. She had an unwitnessed fall at home this morning and was found on the floor by her daughter about an hour later. She has pain and shortening of the right leg with no other injuries found. Heart rate 96, blood pressure 135 on 80, respiratory rate 18, saturation 96% on room air, GCS 15, blood glucose 6.2. We've splinted the leg and given analgesia per our guidelines, and her pain has improved from 8 to 4 out of 10."
"No known allergies. She takes medications for blood pressure and a blood thinner. She has a history of atrial fibrillation and osteoporosis. She lives alone, and her daughter is on her way."
In practice: notice the pause between the two halves. The receiving team now knows the immediate problem, the trend and the treatment, and can start their own assessment while you finish the background.
Tips for a confident handover
Get the team's attention before you start, and wait until they are ready to listen.
Stick to the order, even if someone interrupts. Politely finish your structure, then answer questions.
Use numbers and trends, not just impressions. "Heart rate down from 130 to 105" says far more than "she's improved".
Flag anything critical clearly, such as a blood thinner in a head injury or a known allergy.
Practise out loud. Rehearse a mental handover for every patient you see on placement, even when you are not the one giving it.
Conclusion
Clinical handover is where your assessment either reaches the next team intact or gets lost. A structured format such as IMIST-AMBO or ISBAR gives the receiving team the right information in the right order, reduces errors and makes you sound like a clinician who knows exactly what matters. Practise it until it is automatic.
References
Iedema R, Ball C, Daly B, et al. Design and trial of a new ambulance-to-emergency department handover protocol: IMIST-AMBO. BMJ Qual Saf. 2012;21(8):627. https://qualitysafety.bmj.com/content/21/8/627
Australian Commission on Safety and Quality in Health Care. National Safety and Quality Health Service Standards: Communicating for Safety Standard. Sydney: ACSQHC.
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Disclaimer: This article is general education for students. It is not medical advice, and it does not replace your service's clinical practice guidelines, your educators or your local protocols.
