Equipment Used: Mobile and portable communications equipment, Monitor/Defibrillator/Pacer, approved stretcher, stair chair, backboard, scoop type device, variety of bags and kits, assigned ambulance, computer, FAX, printer and other office related equipment. Must be able to hear and understand information provided by patients, family or bystanders' must be able to hear breath sounds and accurately determine auscultated blood pressures; must be able to differentiate separate conversations in active, distracting environments; must be able to hear and understand radio traffic when responding with lights and sirens.