Keywords: CPR, emergency equipment, cardiopulmonary resuscitation, heart lung resuscitator, cpr technology, cpr equipment, test lungs, lung simulator, lung model, flow analyzer, flow analyser, hemodynamics, emergency medical equipment, emergency equipment, automatic CPR, emergency supply, emergency medical supply, manufacturer, sales, service, Michigan, Grand Rapids, patient simulator, biomedical testing, Spontaneous Ventilator Modes, Revivant Autopulse, ventilator training and testing