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​​For more than 75 years, we have been leading the way in innovative cardiac discoveries:


1935: First clinical use of heparin

1950: First pacemaker

1955: First successful valve transplant

1965: First coronary intensive care unit

1980: First prospective study of iliac angioplasty

1985: First mitral valve chordal replacement with expanded olytetrafluoroethylene

1986: First stentless aortic valve

1987: First aortic valve replacement using the Toronto Heart Valve

1988: First aortic valve-sparing operation

1990: First viral heart disease genetic test

1999: First sleep apnea clinical trial

2006: First discovery of the “SOS distress signal”

2009: First heart monitor recorder – CARTO 3 System