Folks worldwide are contributing more and more to the world of Medicine and Electronics.
mobilECG (a failed attempt to a mass cheap electrocardiogram) has now gone OpenSource instead of rottening in the Drawers.
Full code and schematics available here: http://mobilecg.hu/
More project details available on Indiegogo page: http://www.indiegogo.com/projects/mobilecg-accessible-clinical-grade-electrocardiography