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b413h7.f07-answers

b413h7.f07-answers - Due by BME413 Biomedical...

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1 Due by Nov 13, 2007 BME413 Biomedical Instrumentation Homework #7 Fall 2007 1. From Medtronic’s web site at www.medtronic.com , or more specifically: ( http://www.medtronic.com/servlet/ContentServer? pagename=Medtronic/Website/StageArticle&ConditionName=Bradycardia&Stage=T reatment&Article=brady_art_rate_responsive what are the two kinds of rate responsive pacemakers they sell? What are their respective advantages? An activity sensor is a component of some rate-responsive pacemakers. This type of rate-responsive pacemaker allows the heart rate to vary in response to different levels of physical activity. The sensor, which is bonded to the inside of the pacemaker's metal case, detects pressure waves caused by muscle movement or body motion. The pacemaker's circuitry translates these pressure waves into electrical signals that adjust the pacing rateup and down. A minute volume sensor detects changes in the frequency and depth of breathing. This helps the pacemaker assess if the heart rate is appropriate for the
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  • Fall '07
  • Towe
  • heart rate, Artificial pacemaker, implantable cardioverter defibrillator, Implantable cardioverter-defibrillator, NASPE pacemaker code, rate responsive pacemakers

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