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ILLUSTRATIONS AND TABLES The First Published Electrocardiographic Tracing of the Normal Heartbeat 16 ECG of Complete Heart Block 17 Structure of the Heart 20 Albert S. Hyman’s Pacemaker, 1932 21 Paul Zoll Demonstrates His External Pacemaker, Mid-1950s 38 C.WaltonLilleheiwithaYoungPatient RecuperatingfromOpen-heartSurgery,1961 62 WarrenMaustonwithhisExternalPulse Generator,1959 63 FrankHenefeltandtheFirstChardackGreatbatchPacemaker ,1960 88 AChardack-GreatbatchImplantablePacemaker oftheEarly1960s 112 P.S.WalkingtheHallwayofMontefiore Hospital,Fall1958 113 CPI’sMicrolith-PPacemakerand Model2000Programmer,1978 162 DogBeingDefibrillated,1975 238 ECGofVentricularFibrillation 239 GuidantModel2901Programmer,1997 267 x ILLUSTRATIONS AND TABLES TABLE 1 Technologies of Heart-rhythm Management 9 TABLE 2 The Search for a Long-term Pacing System, 1956–1960 84 TABLE 3 Implantations Reported, January 1961– August 1963 108 TABLE 4 Sales Income and Net Income at Medtronic, 1960–1972 139 TABLE 5 Some Indicators of Growth in American Cardiovascular Medicine 155 TABLE 6 Selling and R&D Expenses at Medtronic, Cordis, and Intermedics, 1980 195 TABLE 7 Estimated Market Shares of Pacemaker Manufacturers, 1975 and 1980 217 TABLE 8 Market Introduction of DDD Pacemakers 223 TABLE 9 ThePacemaker/ICDManufacturersin1998 275 ...

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