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Agonal Breathing Timeline — SCE Palliative Medicine MCQ

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EasyEnd of Life CareAgonal Breathing TimelineSCE Palliative Medicine

A dying patient's family ask the hospice nurse how long the dying process typically takes. The patient has advanced cancer, is unconscious, and has developed agonal breathing. What is the most accurate answer to give about the expected timeline?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: B — Once agonal breathing develops as the next step

Explanation lettering: C = shown as A · D = shown as C · A = shown as D

Option B is correct. In UK end-of-life care materials, agonal or ‘Cheyne–Stokes’ breathing is consistently described as part of the terminal phase, often occurring over minutes to hours before death—rarely extending beyond that. Families should be counselled that death is usually imminent (within a few hours), though precise timing remains unpredictable. “Weeks” (A) is inconsistent with this; “exactly 30 minutes” (C) is falsely precise; “recovery” (D) is medically impossible at this stage; and (E) is too pessimistic—provision of a realistic timeframe is appropriate and supported.

Reference: https://www.nice.org.uk/guidance/conditions-and-diseases/cancer/palliative-care