TABLE 1. Demographic characteristics, hospital arrival time, prehospital naloxone use, and disposition for 12 patients with fentanyl overdose — Yale New Haven Hospital, New Haven, Connecticut, June 23, 2016.

Patient	Age group (decade)	Sex	Arrival time	Emergency department	Naloxone (Administering provider, route)			Disposition
					(EMS, IN)	(EMS, IV/IO)	(ED/IV)
A	60s	Male	16:16	SRC	2 mg	0	0	Discharged
B	80s	Male	16:36	YSC	2 mg	1 mg	0	Observed and discharged
C	30s	Male	16:40	YSC	3 mg	0	0.4 mg	Intensive care unit
D	40s	Male	16:48	SRC	3 mg	0	0.4 mg	Observed and discharged
E	70s	Male	19:01	YSC	4 mg	2 mg*	0	Dead on arrival in ED
F	70s	Male	19:16	YSC	2 mg	2 mg	2 mg	Observed and discharged
G	60s	Male	19:33	YSC	2 mg	2 mg	0.4 mg	Observed and discharged
H	60s	Male	19:38	SRC	2 mg	2 mg	0.4 mg†	Intensive care unit
I	30s	Female	21:31	YSC	0	2 mg	2 mg	Dead on arrival in ED
J	50s	Female	21:32	YSC	2 mg	1 mg	0	Intensive care unit
K	60s	Male	21:39	YSC	0	0.5 mg	0	Intensive care unit§
L	50s	Female	21:41	YSC	2 mg	2 mg	0	Observed and discharged

Abbreviations: ED = emergency department; EMS = emergency medical services; IN = intranasal; IO = intraosseous; IV = intravenous; SRC = St. Raphael Campus; YSC = York Street Campus.

* Intraosseous injection.

^† Naloxone drip 0.4 mg/hour for 12 hours in intensive care unit.

^§ Patient died of multiorgan failure in intensive care unit 3 days later.