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3302 studies found for:    electrocardiogram
3302 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
Source:https://ClinicalTrials.gov
Region Name   Number of Studies
World 3302  
Africa   [map]   84  
Central America   [map]   69  
East Asia   [map]   418  
Japan 184   [studies]
Europe   [map]   1028  
Middle East   [map]   110  
North America 1775  
Canada   [map]   282   [studies]
Mexico 74   [studies]
United States   [map]   1704   [studies]
North Asia   [map]   151  
Pacifica   [map]   178  
South America   [map]   133  
South Asia   [map]   54  
Southeast Asia   [map]   84  
Hints:

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.