TABLE 1.

Characteristics of Survey Participants

Country/Institutions	Department	No. of Annual ED Visits*	No. of Hospital Beds†	Hs-cTn Assay	Sex-Specific vs. Combined Cut Offs	Timing of Serial Troponins	Further Cardiac Testing‡
Australia
University of Western Australia	Lab	>90	≥10	I	S	2 hr	Y
Canada
Saskatchewan Health Region/Royal University Hospital	Lab	60–90	5–10	T	C	3 hr	Y
University of Calgary	Card	>90	≥10	T	C	Other	-
Hamilton Health Sciences	Lab	>90	≥10	I	C	3 hr	-
Germany
Kerckhoff Heart and Thorax Center	Card	<30	2–5	T	C	3 hr	Y
Netherlands
Isala	IM	30–60	≥10	T	C	3 hr	Y
Leiden University Medical Center	Card	-	5–10	T	C	1 hr	Y
New Zealand
Canterbury District Health Board	Lab	60–90	5–10	I	S	3 hr	Y
Christchurch Hospital	EM	>90	5–10	I	S	2 hr	Y
University of Otago	Chem	30–60	5–10	I	S	-	-
Canterbury District Health Board	Chem	>90	5–10	I	S	2 hr	Y
Christchurch Hospital	Card	<30	5–10	I	S	2 hr	Y
Singapore
National Heart Centre Singapore	Card	>90	≥10	T	C	2 hr	N
Sweden
University of Gothenburg	Chem	30–60	≥10	T	C	Other	Y
Karolinska University Hospital	EM	>90	≥10	T	C	1 hr	N
Switzerland
University Hospital Basel	Card	>90	2–5	T	C	1 hr	Y
Cantonal Hospital Baselland	IM	<30	2–5	T	C	3 hr	Y
Cantonal Hospital Baselland	IM	30–60	2–5	T	C	3 hr	Y
United Kingdom
North Bristol NHS Trust UK	EM	60–90	5–10	T	C	2 hr	N
University of Manchester	EM	>90	2–5	T	C	3 hr	Y
Royal Infirmary of Edinburgh, Scotland	Card	60–90	2–5	I	S	Other	Y
Royal Infirmary of Edinburgh, Scotland	Card	>90	5–10	I	S	3 hr	N

^*In thousands;

^†In hundreds;

^‡Utilization of further cardiac testing in the emergency department rule out protocol;

ED = Emergency department; Lab = Laboratory Medicine; Card = Cardiology; Chem = Clinical Chemistry; EM = Emergency Medicine; IM = Internal Medicine; T = hs-cTnT, Roche Diagnostics; I = hs-cTnI, Abbott Diagnostics; S = Sex-specific cut offs; C = Combined cut off. Y = Yes; N = No.