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No.Search terms
1unconsciousness/
2black?out$.ti,ab.
3(pass$ adj out).ti,ab.
4(tloc or t-loc).ti,ab.
5((transient or temporary or short or brief or paroxysmal) adj3 (los$ adj2 conscious$)).ti,ab.
6or/1–5
7exp syncope/
8pre?syncop$.ti,ab.
9syncop$.ti,ab.
10or/7–9
11neurally mediated hypotension.mp.
12reflex anoxic seizure$.mp.
13complex faint$.mp.
14((psychogenic or non?epilep$ or hysteri$ or pseudo or doxogenic) adj (black?out$ or attack$ or seizure$)).mp.
15((hyster$ or pseudo) adj epilep$).mp.
16pseudo?seizure$.mp.
17hysteroepilep$.mp.
18pseudoepilep$.mp.
19conversion fit$.mp.
20or/11–19
216 or 10 or 20

From: Appendix C2, Search strategies

Cover of Transient Loss of Consciousness (‘Blackouts’) Management in Adults and Young People
Transient Loss of Consciousness (‘Blackouts’) Management in Adults and Young People [Internet].
NICE Clinical Guidelines, No. 109.
National Clinical Guideline Centre for Acute and Chronic Conditions (UK).
Copyright © National Clinical Guideline Centre for Acute and Chronic Conditions, 2010.

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