Short notes on UK emergency medicine guidance that has moved recently. Every claim names its source, and where two guidelines disagree the conflict is set out rather than smoothed over. Free to read.
The 2025 edition superseded 2021 on 27 October 2025. These are the differences that change what you do, and the ones most likely to be examined.
NICE NG185 sets one clock for the reperfusion decision, and it is not first medical contact. Getting the denominator wrong changes the answer.
NICE and RCEM give different numbers, and both are current. Here is which applies in an emergency department, and why the conflict exists.