Refurbished Zoll E Series Defibrillator with Pacemaker, AED, Bluetooth Connectivity, with battery backup, SPO2, ECG, NIBP, ETCO2, with Printer & many more options is available like:- 12 channel ECG with report and
Figure 3 from Early History of Cardiac Pacing and Defibrillation† | Semantic Scholar
Harvard Medical School - HMS' Paul Zoll testing a pacemaker in 1954. Zoll became the first man to use electric shock to treat cardiac arrest in 1952. | Facebook
ZOLL M-Series biphasic defibrillator, including pacemaker, ECG, printer, analysis, ... | Dr. Wilfried Müller GmbH
Paul Zoll, MD, “The Father of Modern Cardiac Therapy” - YouTube
Zoll Bi-Phasic Pacemaker Defibrillators - Defibrillators - Future Health Concepts