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Is delayed cardiac defibrillation associated with decreased rates of survival following cardiac arrest occurred within the hospital?
United States researchers analyzed almost 7,000 patients who had a cardiac arrest and observed that delayed cardiac defibrillation is frequent and is associated with higher rates of mortality after in-hospital cardiac arrest.
Very limited information is available with regard to the frequency of delayed cardiac defibrillation (more than 2 min) in the United States and to its influence on mortality rates. In the US each year 400,000–700,000 in-hospital patients suffer cardiac arrest followed by cardiopulmonary resuscitation. To investigate this topic US researchers selected 6,789 patients who had suffered cardiac arrest because of ventricular fibrillation or pulseless ventricular tachycardia depending on primary electrical disorders or myocardial ischemia in 369 hospitals, which were part of the National Registry of Cardiopulmonary Resuscitation. They...