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An estimated 1 million AEDs have been sold throughout the UnitedStates -- and put in airports, casinos, shopping malls, recreationcenters and gyms and many other public places -- but becausethey're not subject to the same FDA regulations as implantablemedical devices, it's unclear exactly where all the devices are,and whether they're in places where people are most likely tosuffer cardiac arrests. The new Penn study provides the first lookat whether those locations match. The Penn Medicine team mapped the locations of 3,483out-of-hospital cardiac arrests and the locations of 2,314 AEDsthroughout Philadelphia Country. AEDs, which are used to restorethe heart to a normal rhythm, were most commonly located in schoolsand on university campuses (30 percent), in office buildings (22percent), and in residential buildings (4 percent). However, just 7percent of cardiac arrests occurred within a 200-foot radius of anAED (approximately a two-minute walk, roundtrip, from the scene).Ten percent occurred within 400 feet (a four-minute walk), and 21percent happened within 600 feet (a six-minute walk) of an AED.Since victims' chances of survival drop by about 10 percent witheach minute that passes without CPR and defibrillation, patientswho are shocked six minutes or more after arresting are likely tohave very low survival rates. "AEDs are an essential part of the 'chain of survival' that'snecessary to save cardiac arrest victims," said senior authorRaina Merchant, MD, MS, an assistant professor of EmergencyMedicine. "Despite thousands of them in the community, ourresults show they are usually not readily available during cardiacarrests. Without an AED, the minutes bystanders spend waiting forparamedics to arrive could mean the difference between life anddeath." The investigators say their findings underscore the need to notonly place AEDs more strategically in communities, but also findinnovative ways to help the public easily locate and use them inemergencies, since precious time is often wasted hunting for thedevices even when they're nearby. This winter, a Penn Medicine teamconducted the MyHeartMap Challenge, a crowdsourcing contest thatsent Philadelphia residents to the streets to locate, capture andmap, via a special smart phone app, the locations of all of thecity's AEDs. More than 350 teams and individuals participated inthe contest, searching out more than 1,500 AEDs, in about 800unique buildings around Philadelphia. The top two finishersreceived $9,000 each, and the data collected will be used to createa mobile app to help bystanders locate the nearest AED duringemergencies. It will also be provided to 911 operators to directbystanders to AEDs to use while paramedics are en route to thescene. "Each of the AEDs the MyHeartMap Challenge participantslocated represents an opportunity to save lives," saidMerchant, who serves as MyHeart Map Challenge director, "butwe need to ensure that the devices are in places where they will bemost useful and accessible, and develop ways to make sure peopleknow where to find them quickly when they're needed." Other authors of the study include Roger Band, Heather Griffis,Alison Leung, Sarah Wallace, David Gaieski, Brendan Carr, FranShofer, Crawford Mechem, Robert Neumar, and Lance Becker, andBenjamin Abella. I am an expert from SZMSAT.COM, while we provides the quality product, such as Airbag Reset Tool Manufacturer , VAG Diagnostic Tool, Odometer Correction Tool,and more.
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