3225 studies found for:    electrocardiogram
3225 studies found, shown on map.
A similar map is available for all studies in ClinicalTrials.gov
Click on the map below to show a more detailed map (when available) or search for studies (when map not available).
Map Legend
Region Name   Number of Studies
World 3225  
Africa   [map]   83  
Central America   [map]   68  
East Asia   [map]   392  
Japan 169   [studies]
Europe   [map]   982  
Middle East   [map]   105  
North America 1735  
Canada   [map]   265   [studies]
Mexico 75   [studies]
United States   [map]   1665   [studies]
North Asia   [map]   141  
Pacifica   [map]   166  
South America   [map]   132  
South Asia   [map]   54  
Southeast Asia   [map]   82  

Click on a [map] link to show a map of that region.

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.