The Model EV4543 is a single-chamber temporary cardiac pacemaker designed to provide acute therapeutic, prophylactic, and diagnostic pacing support. It is capable of operating in the demand or asynchronous modes and includes adjustable rate, output, and sensing controls. The EV4543 also has rate-tripling (x3) control which provides for high-rate pacing up to 450 ppm for use in rapid atrial stimulation.The EV4543 has a constant voltage output which is capable of delivering more energy to the patient than similar constant current devices. This feature provides a definite advantage in establishing and maintaining capture when encountering low stimulation impedance in pacing leads.
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Last Updated : 03/16/2013