549
Participants
Start Date
January 31, 2003
Primary Completion Date
December 31, 2009
Study Completion Date
February 29, 2012
ECG
A diagnostic tool that is routinely used to assess the electrical and muscular functions of the heart (non-experimental).
Columbia University, New York
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Columbia University
OTHER