Jones, D.S. Broken Hearts: The Tangled History of Cardiac Care. Baltimore: Johns Hopkins University Press, 2013. 336pp. $34.95 (hbk) ISBN: 978-1-421-40801-9 Source: Jones, D.S. Broken Hearts: The Tangled History of Cardiac Care. Baltimore: Johns Hopkins University Press, 2013. 336pp. $34.95 (hbk) ISBN: 978-1-421-40801-9