Although the site works with multiple internet browsers (e.g., Chrome, Safari, Internet Explorer 9), we recommend Mozilla Firefox for optimal viewing.
- Check the box next to a map layer to toggle it on and off. Some layers may take a few seconds to load.
- Zoom in and out on the map by holding down the SHIFT key while dragging a box around an area of interest. You can also use the magnifying
glass button on the left.
- Pan to a different area of the map by clicking and dragging, or using the arrow controls on the left.
- Click
on the map to view hospital information.
Sometimes, after a lot of map activity, it is necessary to clear a browser cache. To do that, you can use these keyboard combinations (CRTL+SHIFT+R) in Firefox, and (CRTL+F5) IE.
MAP LAYER EXPLANATION
Three map layers are available:
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Emergency Departments: Non-specialty, hospital-affiliated EDs as listed in the 2011 database (as of October 2012).
Visits per hour: Check to see the average number of ED visits seen per hour, which was calculated by dividing annual ED visit volume by the total number of hours of operation in one year (24 hrs/day x 365 days/yr = 8,760 hrs/yr). EDs were categorized
by visit volume into 4 groups: <1.0, 1.0-1.9, 2.0-2.9, and ≥3.0 visits per hour.
EM residency: Check to show EDs that were the primary or only site of an in 2011.
COTH / Teaching Hospital: Check to show EDs in a in 2011.
Critical Access Hospital: Check to show EDs in a in 2011.
Federal Hospitals: Check to show EDs in a VA, military, Indian Health Service, or Public Health Service hospital in 2011. These hospitals may not be readily accessible to the general public and, for that reason, they are denoted with a special symbol
.
All EDs: Check to show all hospital-affiliated EDs in the 2011 database.
Uncheck all EDs: Check to clear all ED icons from map.
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Boundary Overlays: Boundaries as mapped by the U.S. Census Bureau.
County: are current as of 2010, and labeled with County name.
MSA: are labeled with MSA name.
Congressional District: are labeled with member name.
HELPFUL LINKS
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RELATED PUBLICATIONS
- Sullivan AF, Richman IB, Ahn CJ, Auerbach BS, Pallin DJ, Schafermeyer RW, Clark S, Camargo CA Jr. A profile of U.S. emergency departments in 2001. Ann Emerg Med 2006; 48: 694-701. PMID:17067721
- Richman IB, Clark S, Sullivan AF, Camargo CA Jr. National study of the relation of primary care shortages to emergency department utilization. Acad Emerg Med 2007; 14: 279-282. PMID:17242383
- Camargo CA Jr, Ginde AA, Singer AH, Sullivan AF, Espinola JA, Pearson JF, Singer AJ. Assessment of emergency physician workforce needs in the United States, 2005. Acad Emerg Med 2008; 15: 1317-1320. PMID:18945242
- Carr BG, Branas CC, Metlay J, Sullivan AF, Camargo CA Jr. Access to emergency care in the United States. Ann Emerg Med 2009; 54: 261-269. PMID:19201059
- Ginde AA, Sullivan AF, Camargo CA Jr. National study of the emergency physician workforce, 2008. Ann Emerg Med 2009; 54: 349-359. PMID:19398242
- Sullivan AF, Ginde AA, Espinola JA, Camargo CA Jr.Supply and demand of board-certified emergency physicians by US state, 2005. Acad Emerg Med 2009; 16:1014-1018. PMID:19719820
- Muelleman RL, Sullivan AF, Espinola JA, Ginde AA, Wadman MC, Camargo CA Jr. Distribution of emergency departments according to annual visit volume and urban-rural status: Implications for access and staffing. Acad Emerg Med 2010; 17: 1390-1397. PMID: 21122024
- Steptoe AP, Corel B, Sullivan AF, Camargo CA Jr. Characterizing emergency departments to improve understanding of emergency care systems. Int J Emerg Med 2011; 4: 42. PMID: 21756328
- Sullivan AF, Bachireddy C, Steptoe A, Oldfield J, Wilson T, Camargo CA Jr. A profile of freestanding emergency departments in the United States, 2007. J Emerg Med 2012; in press. PMID: 23047195
