"We have the technology but they have the practice. The best book of cardiology is the patient itself", he always argued. Braunwald was inspired to perform research in cardiology after working with André Frédéric Cournand, a pioneer in the technique of cardiac catheterization who received the Nobel Prize in Physiology or Medicine.
It's said that "We have the technology but they have the expertise." The most instructive textbook on cardiology is, in fact, the patient itself," Braunwald would frequently argue. His work with André Frédéric Cournand, a pioneer of cardiac catheterization and Nobel laureate, inspired him to delve into research in cardiology.