Diagnostic Imaging Pathways - Headache (Thunderclap)

Pathway Home

Population Covered By The Guidance

This pathway provides guidance on the imaging of adult patients with acute severe (‘thunderclap’) headache.

Date reviewed: June 2014

Date of next review: 2017/2018

Published: October 2014

Quick User Guide

Move the mouse cursor over the PINK text boxes inside the flow chart to bring up a pop up box with salient points.
Clicking on the PINK text box will bring up the full text.
The relative radiation level (RRL) of each imaging investigation is displayed in the pop up box.

No radiation None 0
Minimal radiation Minimal < 1 millisieverts
Low radiation Low 1-5 mSv
Medium radiation Medium 5-10 mSv
High radiation High >10 mSv

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