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(Reuters Health) - In a study of residential high-rise buildings, people who suffered cardiac arrest had a better chance of survival if they lived on lower floors, and survival odds decreased as floor number increased. “We thought there might be something here because once somebody collapses into cardiac arrest, their chance of survival decreases really quickly,” said lead author Ian Drennan, a paramedic with York Region Paramedic Services and a researcher with Li Ka Shing Knowledge Institute at St. Michael's Hospital in Toronto. “If you find them in a shockable heart rhythm then most of the time you can reset the heart and get a pulse back. If you wait too long, the chance of finding that rhythm deteriorates,” he said. With other time-sensitive conditions, like heart attack or stroke, minutes count, but with cardiac arrest a difference of just a few seconds can determine survival, Drennan told Reuters Health by phone. The researchers studied 7,842 people who had cardiac arrest in private residences and were treated by first responders after a 911 call. Less than four percent of people survived to be discharged from the hospital. |
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