Testing and Evaluation of the Heartstream, Inc., Model EM Semi-Automatic Defibrillator External
James C. Sylvester · 1998
Abstract : The Heartstream, Inc., Model EM Semi-Automatic External Defibrillator is a portable, battery operated, semi-automatic defibrillator. It performs automatic self-tests and displays the results of these tests on a status indicator. The unit is equipped with a high resolution, liquid crystal display with back light screen that displays text prompts, patient and event information and single-lead electrocardiogram (ECG). The unit operates on a disposable 18 VDC lithium battery. The unit weighs approximately 4.34 lbs. with battery (5.8 lbs. with battery, case and defib pads) and is 8.75 in. W. (10 in. with case) X 2.5 in. H. (4.75 in. with case) X 8 in. D. (9.25 in. with case).