Superior Title: Economist. 2/29/2020, Vol. 434 Issue 9183, p62-63. 2p.

Subject Terms: CARDIOLOGY, CARDIAC research, HEART disease diagnosis, DIGITAL technology, MEDICAL technology

Superior Title: Economist. 3/7/2009, Vol. 390 Issue 8621, special section p25-28. 3p. 3 Color Photographs, 3 Diagrams.

Subject Terms: CARDIAC pacemakers, IMPLANTED cardiovascular instruments, ELECTRONICS in cardiology, IMPLANTABLE cardioverter-defibrillators, MEDICAL technology, TECHNOLOGICAL innovations management