The conversation with a patient’s family about brain stem death is one of the most difficult in medicine. Families frequently struggle with the concept — they can see the chest rising and falling with ventilation, the heart rate on the monitor, and the patient may look superficially as if they are sleeping. The idea that their loved one is dead, in the context of all this visible physiological activity, is deeply counterintuitive.

The key principles for this conversation are: adequate preparation (ensure you know the patient’s name, the family members you are speaking to, and all the relevant clinical details before entering the room); clear, simple, compassionate language (avoid jargon — ‘the brain has died completely and permanently’ is more comprehensible than ‘there is irreversible destruction of the brain stem’); acknowledge emotions (give families time to react, don’t rush); and separate this conversation clearly from any conversation about organ donation.

It is important not to conflate the brain stem death discussion with the organ donation discussion. These should be separate conversations, ideally with the SNOD present for the organ donation conversation. Families who feel that brain stem death is being diagnosed in order to facilitate organ donation lose trust in the clinical team and may refuse to engage with either discussion.