Table 1.

Search strategy, Embase: 1974 – 20 June 2016

	Search term	Results
1	exp EMERGENCY HEALTH SERVICE/	77907
2	exp EMERGENCY MEDICINE/	33070
3	exp EMERGENCY WARD/	85683
4	“emergency department*”.ti,ab	87076
5	“emergency room*”.ti,ab	22819
6	(accident* adj2 emergenc*).ti,ab	5254
7	(“cardiac output*” adj2 increas*).ti,ab	6849
8	(“stroke volume*” adj2 increas*).ti,ab	2433
9	“emergency care”.ti,ab	7924
10	1 OR 2 OR 3 OR 4 OR 5 OR 6 OR 9	214830
11	“pre load dependen*”.ti,ab	7
12	“preload dependen*”.ti,ab	241
13	“fluid challeng*”.ti,ab	783
14	“fluid respon*”.ti,ab	1225
15	“pre load respon*”.ti,ab	0
16	“preload respon*”.ti,ab	117
17	“volume respon*”.ti,ab	1186
18	7 OR 8 OR 11 OR 12 OR 13 OR 14 OR 15 OR 16 OR 17	11672
19	10 AND 18	248